Product Information
ApplicationSodium hydroxide monohydrate 99.99 Suprapur®. CAS 12200-64-5, chemical formula NaOH * H₂O.
Biological Information
Physicochemical Information
pH value14 (50 g/l, H₂O, 20 °C)
Solubility1100 g/l
Materials Information
Toxicological Information
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s)H290: May be corrosive to metals.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal WordDanger
Storage class8B Non-combustible, corrosive hazardous materials
WGKWGK 1 slightly hazardous to water
Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535).
Safety Information
Hazard Symbols Hazard SymbolsCorrosive
Categories of dangercorrosive
R PhraseR 35
Causes severe burns.
S PhraseS 26-37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Product Usage Statements
Storage and Shipping Information
StorageStore at +15°C to +25°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 1823 , 8, II
Declaration (transport by air) IATA-DGRUN 1823 , 8, II
Declaration (transport by sea) IMDG-CodeUN 1823 , 8, II, Segregation Group: 18 (Alkalis)
Supplemental Information
Purity (metallic)≥ 99.990 %
NaOH content67.0 - 69.0 %
Assay of sodium carbonate≤ 2.0 %
Chloride (Cl)≤ 1 ppm
Phosphate (PO₄)≤ 0.05 ppm
Silicate (as SiO₂)≤ 5 ppm
Sulfate (SO₄)≤ 10 ppm
Al (Aluminium)≤ 0.05 ppm
As (Arsenic)≤ 0.1 ppm
Ba (Barium)≤ 10.0 ppm
Ca (Calcium)≤ 0.50 ppm
Cd (Cadmium)≤ 0.010 ppm
Ce (Cerium)≤ 0.010 ppm
Co (Cobalt)≤ 0.010 ppm
Cr (Chromium)≤ 0.010 ppm
Cu (Copper)≤ 0.010 ppm
Eu (Europium)≤ 0.010 ppm
Fe (Iron)≤ 0.05 ppm
Hg (Mercury)≤ 0.01 ppm
K (Potassium)≤ 2.0 ppm
La (Lanthanum)≤ 0.010 ppm
Li (Lithium)≤ 0.2 ppm
Mg (Magnesium)≤ 0.10 ppm
Mn (Manganese)≤ 0.010 ppm
Ni (Nickel)≤ 0.010 ppm
Pb (Lead)≤ 0.010 ppm
Sc (Scandium)≤ 0.010 ppm
Sm (Samarium)≤ 0.010 ppm
Sr (Strontium)≤ 0.50 ppm
Tl (Thallium)≤ 0.01 ppm
Y (Yttrium)≤ 0.010 ppm
Yb (Ytterbium)≤ 0.010 ppm
Zn (Zinc)≤ 0.050 ppm


Sodium hydroxide monohydrate SDS


Safety Data Sheet (SDS) 

Sodium hydroxide monohydrate Certificates of Analysis

Product Number PackagingSpecificationLot Number
1064660050 Plastic bottlePDF Specification Document
1064660500 Plastic bottlePDF Specification Document

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Accessories (Primary)

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