0N standardized solution is used for volumetric analysis in laboratories. 1 molar NaOH solution. For example, a solution with a pH of 8 has 10 times more hydroxide ions than a solution with a pH of 7. 1 After cooling the boiled water about 3 mL of 50% sodium hydroxide was added to form a 0. 1 N by Ricca Chemical. mothymol blue TS: not more than 0. Di-Isobutyl Ketone S Sodium Hydroxide Conc. Workshop: Ions in Solution I 1) For each of the following compounds, (a) write the formula and (b) classify it as either a strong or a weak electrolyte or a non-electrolyte. The most likely pH vale of water before was 7 and after the addition of sodium hydroxide the pH value of water becomes 9. To prepare Sodium Methoxyde Solution (1 M) , take 4. 002 g/mL @ 20°C. PRODUCT AND COMPANY IDENTIFICATION. The mixture is dilutedwith deionized water to a final volume of 100. Material Safety Data Sheet Section 1. Sodium hydroxide 1 mol/l (1 N. Applies to sodium chloride nasal: nasal gel, nasal solution. Add to Cart 120ml,. It has a minimum Sodium Hydroxide strength of 96%. The top supplying countries or regions are China, Austria, and United Kingdom, which supply 92%, 2%, and 1% of sodium hydroxide pellets respectively. 1 N (4 oz) to your wish list. Preparation of standard solutions Suppose 10 ml 0. 0 1310-73-2 215-185-5 NaOH 40. Reagent: Final Conc: Volume : Mass: dH 2 O: 50 mL : NaOH (MW 40. 1 gram-equivalent means 1 mole divided by the sum of charges of the cations in the formula. Figure 1 Uses of sodium hydroxide. Over time, precipitation of calcium and magnesium hydroxide, carbonates and oxalates will occur. 1 mol/l - 1 N volumetric standard solution. Start studying Science Unit 3 Test: Quiz 3. USP - Find MSDS or SDS, a COA, data sheets and more information. 3 Effective date : 12. Follow these steps to determine the Titratable Acidity (often just referred to as TA) in your must or wine. a- Preparation and standardization of a 0. 0N Created by Global Safety Management, Inc. 1 M ethanolic sodium hydroxide is equivalent to 0. Dissolve in 75 ml of carbon dioxide free water. To prepare Sodium Methoxyde Solution (1 M) , take 4. Sodium hydroxide is being titrated slowly into the solution until the indicator changed its colour. 00 g of sodium hydroxide in water to make volume 1 liter. Sodium hydroxide is used to manufacture many everyday products, such as paper, aluminum, commercial drain and oven cleaners, and soap and detergents. 42 mg of potassium biphthalate is equivalent to 1 ml of 0. Sodium hydroxide is a highly caustic base and alkali that decomposes proteins at ordinary ambient temperatures and may cause severe chemical burns. Sodium hydroxide- 16 O solution. pH Values of Representative Substances. WHY CHOOSE NELSON-JAMESON AS YOUR SUPPLY SOURCE?. Sodium Hydroxide, 0. Certificate of Analysis. But why is it that carbon dioxide in gaseous state can react with aqueous Sodium hydroxide to form salt. Alurn,inaim hydroxide. Environmental: Aquatic: In the case of a solid, anhydrous sodium hydroxide spill on soil, ground water pollution will occur if precipitation occurs prior to clean up. 100 n page 2 The information presented above is offered for informational purposes only. Box 70 480 Democrat Road. The solution is then standardised against the primary standard, potassium hydrogen phthalate (KHP), to accurately determine its concentration. It should be kept in closed containers to minimize contact with carbon dioxide in the atmosphere. 1 M NaOH (0. 7% Glass and Polyethylene 24 Acetic Acid Dilutions Glass and Polyethylene 24 Acetone >99. Please Note: This Sodium Hydroxide is 10x stronger than the MT110 product that is used with our MT140 Aeration Oxidation SO2 Test Kit. When heated to decomposition, may emit toxic fumes. 1N, N/10 solution for Acid Titration. > Sodium hydroxide 0. Shop from the huge range of FINAR Other Lab Supplies. Caustic Soda Market Update. a- Preparation and standardization of a 0. 1 + 3 Sulfuric Acid Solution is used to lower the pH of the sample to be tested in the Ripper method SO2 test. Specific Gravity 1. 1N sodium hydoxide solution? Answer. Sodium hydroxide 0,1 mol/l 0,1 N aqueous solution AVS TITRINORM Reag. 100 ml of 1 N NaOH solution will contain 4 g NaOH So, 1 N NaOH is 4% solution. ANDRONACO INDUSTRIES is a group of global manufacturing companies specializing in innovative engineered products, specialty systems, and value added services for the pharmaceutical, chemical, steel, wastewater and energy markets. When sodium hydroxide is added to wine, it increases the pH. The d-spacing of 1. Find your local sales outlet at our directory. Calculate the amount of water to add to the strong sodium hydroxide to dilute any strength sodium hydroxide. 1 °) is in good agreement with the size of oleate ions intercalated in a monolayer structure. B = Good -- Minor Effect, slight corrosion. particularly to industrial chemicals, reagents and diagnostic products as well as general laboratory supplies including equipment for the use of these products and consulting. Sodium hydroxide, lye, and caustic soda all refer to the same compound, NaOH, which is comprised of 3 single atoms: sodium, oxygen, and hydrogen. Right Price Chemicals offers a complete line of Chemical Solutions including this Sodium Hydroxide 1N (Sodium Hydroxide 1 Normal Solution)! | Buy your Sodium Hydroxide 1N Solution online at Rightpricechemicals. Available to ship in 1-2 days. Persistence and degradability. 1 N, is added until the pH meter reads 8. Ships from and sold by Amazon. does not put off nasty fumes, 2. 5% of its weight, determined on a 1. The mixture is dilutedwith deionized water to a final volume of 100. Please see Sodium Hydroxide, 50% Solution Safety Data Sheet for full safety and compatibility information. , Experimental value) 12. 3) When dissolved sodium hydroxide reacts with sulfuric acid, aqueous sodium sulfate, water, and heat are formed. Products identified by this icon indicate only the first case — of multiple case orders — will be upgraded to UPS 3 Day Select service (where applicable). Made to order and custom items ship in as little as 7 to 10 days!. -illumi~~l~m hydroxide was precipitated from aluminum chloride by means of sodium hydroxide. Appearance Clear, colorless liquid. does not put off nasty fumes, 2. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH−. 2015 Page 1 of 7 Sodium Hydroxide,10. docx Created Date: 6/22/2015 3:48:51 PM. 1 molar concentration (0. Certificate of Analysis. 2n solution online here at Right Price Chemicals. Email to a friend. Sodium hydroxide solution c(NaOH) = 1 mol/l (1 N) Titripur® Reag. REVISIONS: The MSDS was formatted to comply with ANSI Standard Z400. As well as from free samples. Standardize as directed under 1 N potassium hydroxide. Although these chemicals are usually the most practical choice they do have some drawbacks when compared to magnesium hydroxide. The table below gives the density (kg/L) and the corresponding concentration (% weight) of Sodium Hydroxide in water at different temperatures in degrees centigrade (°C). (naoh, sodium hydroxide concentra. SDS for 1 N Sodium Hydroxide Catalog # 843A SDS for 1 N Sodium Hydroxide, page 1 of 3. HDPE Chemical Resistance Chart | Page 1 of 2 Chemical Resistance Chart for HDPE (High Density Polyethylene) The chemical resistance chart below is a general guide only. What is the concentration of the hydrochloric acid? Method. 1N) volumetric solution. First calculate how much 1 N solution you need to dilute. Multi-purpose sodium hydroxide standard solution. Solubility Completely soluble in water. So the equivalent weight of NaOH is 40. It is white, odorless and non-volatile in aqueous solutions. 000N, Sodium hydroxide solution. 6 (phenolphthalein endpoint) against NIST™ potassium acid phthalate. In equation 1, the acid is HCl (called hydrochloric acid) and the base is NaOH (called sodium hydroxide). Reviewed 9/12/10. (Don't start mixing chems before you have a few years under your belt. Sodium hydroxide ( Na OH), also known as lye or caustic soda, is a caustic metallic base. 2014 Page 1 of 7 Sodium Hydroxide,0. > Sodium hydroxide 1 mol/l (1 N) in aqueous solution. Add to Cart 120ml,. Please see Sodium Hydroxide, 50% Solution Safety Data Sheet for full safety and compatibility information. For quick reference both Acids and Alkalis in 35 th Amendment of IMDG Code is listed below. Sodium hydroxide (NaOH 1N) 10 N NaOH: 10: millilitre (ml) ddH2O: 90: millilitre (ml) Total volume: 100: millilitre (ml) Recipe Home Recipe Calculator. The reaction by-products are sodium chloride (salt, NaCl) and water (H2O). Which is weakest electrolyte of the following? 1)sodium chloride 2)sodium hydroxide 3)water 4)copper sulphate? Why does sodium hydroxide and potassium hydroxide have no brackets around hydroxide(OH-)?. Density tables of popular reagents solutions - sodium hydroxide NaOH, sulfuric acid H2SO4, acetic acid CH3COOH, hydrochloric acid HCl, ammonia NH3 About us | Feedback Concentration and solution calculator program - density tables. The mixture is dilutedwith deionized water to a final volume of 100. Trevor H · 1 decade ago. Figure 7-7 The pH values of representative substances. Product Family Inorganic Base Emergency Phone No. docx Created Date: 6/22/2015 3:48:51 PM. Wear eye protection and impervious gloves. How to Make Sodium Hydroxide Chemically. T E C H N I C A L S H E E T Wizard Classic 2 tubes 1009531 Tube Precipitation Reagent Buffer Salt 1 10% (w/v) PEG 3000 100 mM Sodium acetate/ Acetic acid pH 4. One of the most well known uses of Sodium Hydroxide is its use in unclogging drains. s no longer in use) UN 1884: 6. 171220 Sodium Hydroxide solution 40% w/w for the determination of nitrogen 172926 Kjeldahl tablets (Catalyst with 1. Please Note: This Sodium Hydroxide is 10x stronger than the MT110 product that is used with our MT140 Aeration Oxidation SO2 Test Kit. Specific Gravity 1. MSDS Sodium Hydroxide 1 Material Safety Data Sheet Sodium Hydroxide 1N; 1N NaOH; TA Titrant Section 1 - Chemical Product and Company Identification MSDS Name: Sodium Hydroxide Solution 0. 1: Lead dioxide: UN 1873: 5. Abstract The effect of inhibitors on the electrochemical behavior and stress corrosion cracking resistance of Alloy 600 (UNS N06600) was evaluated in 10% sodium hydroxide (NaOH) solution at 315°C. You can rely on the quality of LabChem analytical test solutions for lot-to-lot reproducibility. 1N Sodium Hydroxide. Buy Finar 500ml Sodium Hydroxide 0. 1 N solution. Dissolve in a mixture of one ml of ethanol (95 percent) and 6 ml of water and titrate with the ethanolic sodium hydroxide solution, using 0. Shop now ; Request Information. 0N, 4 Liters, HAZARDOUS. This item: LabChem LC242702 Sodium Hydroxide Reagent, 0. For example the molecule of NaOH consists of one atom each of sodium (Na), oxygen (0), and hydrogen (H). Note that rounding errors may occur, so always check the results. 00M I-ICJ solution? Hvo , O -voo What is the molarity of sodium hydroxide if 20. Before we begin titrating that wine sample we have one more important step, standardization of NaOH solution. 1N) FOR 500 ml SOLUTION, 1310-73-2, Concentrate volumetric solutions (CVS)-Ampoule, by Loba Chemie, India. Methyl Ethyl Ketone. com Immediately call a POISON CENTER or doctor/physician Store in a corrosive resistant/… container with a resistant inner liner Store locked up. Calculated quantities of sodium silicate solution mixed with sodium. 1 molar concentration (0. Special care is required to prepare a solution of sodium hydroxide or NaOH in water because considerable heat is liberated by the exothermic reaction. sodium reacts with water to produce sodium hydroxide and hydrogen gas. Continue the titration with 1 N sodium hydroxide until the inflection point occurring at about pH 8. , Experimental value) 12. Evaporation of water from this solution yields white crystalline solid sodium hydroxide that readily absorbs moisture from air. or call us at 1-800-727-0467. Sodium hydroxide flakes extrapure. Please enter your email id and click update. The molarity of a sodium hydroxide solution can be determined by dividing the amount of sodium hydroxide (in moles) present by the number of liters of the overall solution. The resulting solution will be 75 mL with a concentration of 1 N sodium hydroxide. 1 N Sodium Hydroxide. Created on 08/20/2019 Page 1 of 6 Safety Data Sheet. , Bp, Fisher Chemical 1L, Sodium Hydroxide Solution 1M (1N), NIST Standard Solution Ready To Use, for Volumetric Analysis, Meets Analytical Specification Of pH. Buy Finar 500ml Sodium Hydroxide 0. Sodium hydroxide solution for 1000 ml, c(NaOH) = 0. If breathing is difficult, give oxygen. 1N solution of NaOH. 1 N solution of NaOH in water is a 0. 1N, 6248DR-H at Zoro. volumetric solution, Fluka™ Supplier: Honeywell Research Chemicals. Formula and structure: The chemical formula of sodium hydroxide is NaOH, and its molar mass is 40. Laboratory equipment and supplies, including Sodium Hydroxide, 1. Sodium hydroxide- 16 O solution. Thus, when you add sodium hydroxide to the sodium hypochlorite, you are converting it into the less-reactive form. Aluminum bromide and sodium hydroxide react to form aluminum hydroxide and sodium bromide. • A specific volume of the solution to be titrated (solution #2) is added to an Erlenmeyer flask. Solutions conform to regulations requiring fresh solutions. So, for NaOH solutions, molarity and normality will be the same thing. The precipitate was washed several times beyond that required to give a negative flame test for sodium for both the solid and the supernatant liquid. 5, use 1/2 mole (20. | Buy your sodium hydroxide 1. Chem Quantity. This article discusses poisoning from touching, breathing in (inhaling), or swallowing sodium hydroxide. It is the base anhydride of sodium hydroxide , so when water is added to sodium oxide NaOH is produced. How? We are a single-source food, dairy and beverage plant supplier with a diverse product line, so you can find everything you need with just one quick click. Of all the photochemicals used, it is most likley the least affected by time or oxygen. Density tables Density of Ammonia Density of Dry Air Density of hydrochloric acid Density of nitric acid Density of perchloric acid Density of phosphoric acid Density of potassium hydroxide Density of sodium hydroxide Density of some gases Density of sulfuric acid and sulfur trioxide Density of Water Ethanol- Water- Mixtures. Box 70 480 Democrat Road. Login or Create an Account. It is deliquescent and readily. Sodium hydroxide is used to manufacture soaps and a variety of detergents used in homes and commercial applications. The CofA will be sent to you by email with 1 to 3 business days. For non-emergency personnel Protective equipment : Wear chemically protective gloves, lab coat or apron to prevent prolonged or repeated skin contact. Weigh 5 g of solid sodium hydroxide, NaOH, into a clean 100 or 150-mL beaker. These factors contribute to it being the cheapest and most widely used strong alkali. Please refer to product packaging for Catalog Number and associated Lot Number and type exactly as shown. 1N sodium hydroxide can be added dropwise to restore the original color taking care not to obtain too deep red or cerise color. #1 Scope of Work/Activity: Describe the experiment purpose/scope. Great prices & free shipping on orders over USD50!. , Bp, Fisher Chemical 1L, HDPE plastic bottle General Purpose Sodium Hydroxide Solutions | Fisher Scientific. Titrate the hydrochloric acid to the point at which a lemon yellow color appears and stays constant. The mixture is dilutedwith deionized water to a final volume of 100. Sodium hydroxide is one of the most dangerous chemicals. Buy online at best rates. Compound Formula Strong, Weak or Non-Electrolyte Potassium hydroxide Acetic acid Sodium chloride Octane Sucrose Ethanol. Sodium hydroxide 1 N, BAKER ANALYZED® volumetric solution, J. 1 N NaOH used by a factor of. Express Order. 3 gram of freshly cut sodium metal till it is slowly dissolved. Chemistry 101 12-STANDARDIZATION OF SODIUM HYDROXIDE. How can I prepare 1M NaOH solution? To make 1 M NaOH solution, you have to dissolve 40. 5 200 mM Magnesium chloride. Molecular weight of NaOH is 40g 1 mole NaOH = 40g NaOH. Although these chemicals are usually the most practical choice they do have some drawbacks when compared to magnesium hydroxide. 1 molar potassium hydrogen phthalate. This solution in the buret, which has a known concentration, is the titrant. 1 M Sodium Nitrite VS, 2433 Drug Products (added) 0. Sodium hydroxide is a popular strong base used in industry. Sodium Hydroxide Solution 10 N ACC# 40175 Section 1 - Chemical Product and Company Identification: MSDS Name: Sodium Hydroxide Solution 10 N. It is highly soluble in water, and readily absorbs moisture and carbon dioxide from the air. 1N Sodium Hydroxide. Nucleic acids Nucleic acids can bind strongly to anion exchangers. 1 molar concentration (0. When heated to decomposition, may emit toxic fumes. Collectively these data. WHY CHOOSE NELSON-JAMESON AS YOUR SUPPLY SOURCE?. Shop Stainless Steel. 171220 Sodium Hydroxide solution 40% w/w for the determination of nitrogen 172926 Kjeldahl tablets (Catalyst with 1. 1N Sodium Hydroxide. 000 g sample. To prepare an approximate 1 molar solution of sodium hydroxide-dissolve 40 gm (1 mole) of NaOH (sodium hydroxide) in 1 L of distilled water It is more convenient to prepare an approximate NaOH solution at approximately 1 M strength, as 40 g of NaOH is a convenient quantity to weigh. Record the final volume. 1 gram-equivalent means 1 mole divided by the sum of charges of the cations in the formula. Diaphragm grade material will have less than 1. Osmolality is the measure of osmoles per kg, and an osmole is unit of measurement for particles that effect osmotic pressure, correct? yes. Electrical conductivities of dilute sodium hydroxide aqueous solutions have been determined at 75, 100 and 150°C at 1. -Tel: 1-813-435-5161 - www. 1 N) = (x)(1 N) --> x = 100 mL Take a 1 liter volumetric flask add a little deionized or distilled water, measure 100 mL of 1 N solution into the flask, swirl to mix well, fill to the mark in the volumetric flask, stopper and mix well again. Use this page to learn how to convert between grams Sodium Hydroxide and mole. In case of fire: Use a tri-class dry chemical fire extinguisher. 1 N sodium hydroxide solution and record the initial volume. If you took a bottle of 10% NaOH (Sodium Hydroxide) and placed it beside a standard silver print, the print would fade (100 yrs) before the NaOH would change. 3 Effective date : 01. Forming a strongly alkaline solution when dissolved in a solvent such as water, caustic soda is widely used in many industries, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents. When heated to decomposition, may emit toxic fumes. 1/23/2009 MSDS # 669. Safety Data Sheet according to 29CFR1910/1200 and GHS Rev. 1 N Sodium Hydroxide Solution in Hindi Part 1 - Duration: 7:59. First Aid Measures IF INHALED: Immediately remove person to fresh air and keep comfortable for breathing. Material Safety Data Sheets. 00 g of sodium hydroxide in water to make volume 1 liter. 3 Effective date : 12. Serial standard solutions for 1, 2, 3, and 4 were prepared in 0. Sodium hydroxide, also known as lye or caustic soda, is a caustic metallic base. Stains and Reagents can be found in our extensive online collection of products from globally recognized and trusted brands, including Fisher Scientific. Avoid contact with eyes, skin, or clothing. 9583QH SODIUM HYDROXIDE, 0. Methyl Ethyl Ketone. Uses of sodium hydroxide. The 2-buto is butyl. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The CofA will be sent to you by email with 1 to 3 business days. Reviewed 9/12/10. One mole of NaOH in one Liter of pure water = 1 N. Addition of some carbohydrates may result in an acid reaction and hence 0. 1N) in aqueous solution ≥99% volumetric solution, Fluka™ Sodium hydroxide 0. particularly to industrial chemicals, reagents and diagnostic products as well as general laboratory supplies including equipment for the use of these products and consulting. 1N) , CAS Number: 1310-73-2, (71395 Fluka). Replacement Sodium Hydroxide for the MoreWine! Acid Test Kit (W501) or any other acid test kit which uses 0. However it does need to be listed in the ingredient list, usually in its reacted form though such as sodium tallowate. (b) A solution is prepared by mixing 10. The number of hydroxide ions (OH-) is 1. Persistence and degradability. Add 30 g of sodium bicarbonate, dilute with water to. Acetaldehyde - GF Diethyl Benzene - FN Methyl Ethyl Ketone - NN Acetamide, Sat. Pipette aliquot of phosphoric acid solution into 250 mL Erlenmeyer flask. 3) When dissolved sodium hydroxide reacts with sulfuric acid, aqueous sodium sulfate, water, and heat are formed. Although these chemicals are usually the most practical choice they do have some drawbacks when compared to magnesium hydroxide. Safety Data Sheet according to 29CFR1910/1200 and GHS Rev. 1 M NaOH (0. 111M PrimAg-TvR 1 ml = 1 mg lactic acid RT 2 years 3 months Recommended Shelf Life. The mixture is dilutedwith deionized water to a final volume of 100. Hydroxide ions outnumber the hydrogen ions. b- Titration of the acid with standard sodium hydroxide: 1- A 10 ml aliquot of vinegar is carefully pipette into a 100 ml volumetric flask and diluted to volume with water. Figure 7-7 The pH values of representative substances. Sodium hydroxide is a common and useful strong base. Sodium hydroxide (caustic type hair relaxer) both softens and swells hair fibers. Sodium hydroxide, 4 oz. In case of severe exposure or if irritation persists, breathing difficulties or respiratory symptoms arise, seek medical attention. 1 N solution (used for wine analysis) 4. Since you want 0. Within a few minutes, water in the air causes a layer of sodium hydroxide to develop on exposed surfaces, which is why elemental sodium is stored under hexane or a similar substance. Sodium hydroxide 1 N, BAKER ANALYZED® volumetric solution, J. SODIUM HYDROXIDE SOLUTION refers to an aqueous solution of sodium hydroxide. The oxidation number of sodium in sodium hydroxide is 1. The synthesis as described 1. In a titration, 50 cm3 of 2 mol dm-3 sodium hydroxide was exactly neutralised by 30 cm3 of hydrochloric acid. Made to order and custom items ship in as little as 7 to 10 days!. Official December 1, 2016 Sodium 3 this solution to a 1000-mL volumetric flask, and dilute the relevant dosage form monograph(s) in which Sodium with water to volume (10µg/mL of sulfate). 0 ml of the solution is neutralized by 28. L Dimethylamine S Sodium Hypochlorite L Dimethyl Formamide S Sodium Iodide L Dinonyl Phthalate N Sodium Nitrate L Dioctyl Phthalate N Sodium Oxalate L Dioxane L Sodium Persulfate L Diphenyl Oxide N Sodium Phosphate L Electrolyte L Sodium Silicate L. 1 molar NaOH solution. Buy LabChem LC242701 Sodium Hydroxide Solution, 0. Product Name: Sodium Hydroxide, 1. 0N Other Means of Identification None Product Code(s) SO3690A Recommended Use SDS No. Record the final volume. 1N Sodium Hydroxide Solution, Packing Size: 500ml at Rs 210/bottle in Ahmedabad, Gujarat. 000N, Sodium hydroxide solution. 45, sodium silicate-to-sodium hydroxide ratio by mass of 1. A typical chemical property of the alkali metal elments is that they react violently with water fo. For example, the rapid S N 2 reaction of 1-bromobutane with sodium cyanide, shown below, has no parallel when 1-butanol is treated with sodium cyanide. 0 N Solution Be the first to review this product. 1N, 400499_HLK_SDS. Forming a strongly alkaline solution when dissolved in a solvent such as water, caustic soda is widely used in many industries, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents. …or anaerobically depending on the type of the test organism. When it’s exposed to air, metallic sodium recently cut looses its silvery appearance and acquires an opaque grey colour due to the formation of a sodium oxide coating. Ph Eur,Reag. 1N sodium hydoxide solution? Answer. Store protected from light and moisture. com FREE DELIVERY possible on eligible purchases. can be prepared, which will then have to be standardised. 2n sodium hydroxide solution This range of standardised solutions provides a convienient method for accurate volumetric analysis. It is used in metal degreasing and cleaning processes in a wide range of industry applications. 002 g/mL @ 20°C. Explanation: 1) The first part of the statment "sodium combines with water" means that these two pure substances are the reactants. osha sds #: 26410 rev 101 3/27/2015 sodium hydroxide, 0. Sodium Hydroxide, 0. Exposure to Exposure to alkaline solutions may result in irritation to any contacted tissue, including possible burns, depending on the. 1 molar concentration (0. 5L of solution.