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100229 Chromium(VI) oxide

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Key Specifications Table

CAS #EC NumberHill FormulaMolar Mass
1333-82-0 215-607-8 CrO₃ 99.99 g/mol

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      Glass bottle 250 g
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      Catalogue Number100229
      SynonymsChromic anhydride, Chromium trioxide
      Product Information
      CAS number1333-82-0
      EC index number024-001-00-0
      EC number215-607-8
      Hill FormulaCrO₃
      Molar Mass99.99 g/mol
      HS Code2819 10 00
      Quality LevelMQ300
      Biological Information
      Physicochemical Information
      Density2.7 g/cm3 (20 °C)
      Melting Point197 °C
      pH value<1 (100 g/l, H₂O, 20 °C)
      Bulk density900 kg/m3
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Pictogram(s)
      Hazard Statement(s)H340: May cause genetic defects.
      H350: May cause cancer.
      H271: May cause fire or explosion; strong oxidizer.
      H301 + H311: Toxic if swallowed or in contact with skin.
      H314: Causes severe skin burns and eye damage.
      H317: May cause an allergic skin reaction.
      H330: Fatal if inhaled.
      H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
      H335: May cause respiratory irritation.
      H361f: Suspected of damaging fertility.
      H372: Causes damage to organs through prolonged or repeated exposure.
      H410: Very toxic to aquatic life with long lasting effects.
      Precautionary Statement(s)P201: Obtain special instructions before use.
      P210: Keep away from heat.
      P221: Take any precaution to avoid mixing with combustibles, heavy-metal compounds, acids and alkalis.
      P273: Avoid release to the environment.
      P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
      P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
      P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
      P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
      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 class5.1A Strongly oxidizing hazardous materials
      WGKWGK 3 highly hazardous to water
      Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.
      Safety Information
      Hazard Symbols Hazard SymbolsVery toxic
      Hazard SymbolsOxidising
      Hazard SymbolsDangerous for the environment
      Categories of dangercarcinogenic, mutagenic, oxidizing, very toxic, corrosive, sensitizing, dangerous for the environment, toxic for reproduction
      R PhraseR 45-46-24/25-26-48/23- 9-35-42/43-50/53-62
      May cause cancer.May cause heritable genetic damage.Also toxic in contact with skin and if swallowed.Also very toxic by inhalation.Also toxic: danger of serious damage to health by prolonged exposure through inhalation.Explosive when mixed with combustible material.Causes severe burns.May cause sensitisation by inhalation and skin contact.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.Possible risk of impaired fertility.
      S PhraseS 53-45-60-61
      Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +2°C to +30°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDUN 1463 , 5.1 (6.1, 8), II
      Declaration (transport by air) IATA-DGRUN 1463 , 5.1 (6.1, 8), II
      Declaration (transport by sea) IMDG-CodeUN 1463 , 5.1 (6.1, 8), II
      Supplemental Information
      Assay (iodometric)≥ 99.0 %
      Chloride (Cl)≤ 0.005 %
      Sulfate (SO₄)≤ 0.02 %
      Total nitrogen (N)≤ 0.005 %
      Fe (Iron)≤ 0.01 %
      K (Potassium)≤ 0.005 %
      Na (Sodium)≤ 0.2 %
      Substances precipitated by ammonia≤ 0.02 %
      Loss on Drying (105 °C)≤ 1.0 %