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105033 Potassium hydroxide

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
1310-58-3215-181-3HKOKOH56.11 g/mol

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      Description
      Catalogue Number105033
      SynonymsPotash caustic
      References
      Product Information
      CAS number1310-58-3
      EC index number019-002-00-8
      EC number215-181-3
      Hill FormulaHKO
      Chemical formulaKOH
      Molar Mass56.11 g/mol
      HS Code2815 20 00
      Quality LevelMQ300
      Applications
      Biological Information
      Physicochemical Information
      Density2.04 g/cm3 (20 °C)
      Melting Point380 °C
      pH value13.5 (5.6 g/l, H₂O, 25 °C)
      Vapor pressure1 hPa (719 °C)
      Solubility1130 g/l
      Dimensions
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat 333 mg/kg
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Statement(s)H290: May be corrosive to metals.
      H302: Harmful if swallowed.
      H314: Causes severe skin burns and eye damage.
      Precautionary Statement(s)P234: Keep only in original packaging.
      P260: Do not breathe dust.
      P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
      P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
      P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
      P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
      Signal WordDanger
      RTECSTT2100000
      Storage class8B Non-combustible, corrosive hazardous materials
      WGKWGK 1 slightly hazardous to water
      Disposal13
      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
      Categories of dangerharmful, corrosive
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +2°C to +30°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 1813 , 8, II
      Declaration (transport by air) IATA-DGRUN 1813 , 8, II
      Declaration (transport by sea) IMDG-CodeUN 1813 , 8, II, Segregation Group: 18 (Alkalis)
      Supplemental Information
      Specifications
      Assay (acidimetric, KOH)≥ 85.0 %
      Carbonate (as K₂CO₃)≤ 1.0 %
      Chloride (Cl)≤ 0.01 %
      Phosphate (PO₄)≤ 0.0005 %
      Silicate (SiO₂)≤ 0.005 %
      Sulfate (SO₄)≤ 0.0005 %
      Total nitrogen (N)≤ 0.0005 %
      Heavy metals (as Pb)≤ 0.0005 %
      Al (Aluminium)≤ 0.001 %
      Ca (Calcium)≤ 0.001 %
      Cu (Copper)≤ 0.0002 %
      Fe (Iron)≤ 0.0005 %
      Na (Sodium)≤ 0.5 %
      Ni (Nickel)≤ 0.0005 %
      Pb (Lead)≤ 0.0005 %
      Zn (Zinc)≤ 0.0025 %
      Global Trade Item Number
      Catalogue Number GTIN
      1050331000 04022536059617

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      Categories

      Reagents, Chemicals and Labware > Inorganic Reagents > Classical Inorganic Analysis > Caustic alkalis and bases EMSURE®, EMPLURA®
      Analytics and Sample Preparation > Analytical Sample Preparation > Drying Agents
      Analytics and Sample Preparation > Analytical Sample Preparation > Dissolution / Digestion