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Chromic Acid (Chromium Trioxide)

Also known as: Chromium(VI) oxideChromic anhydride

  • CAS1333-82-0
  • EC215-607-8
  • Physical formFlake
  • OriginRussia

Strongly oxidizing hexavalent chromium compound used in chrome plating (electroplating) baths and organic synthesis.

Chromium(VI) oxide is a dark red, hygroscopic, strongly oxidizing solid that forms a chromic acid solution when dissolved in water. It is mainly used in chrome plating (electrolytic plating) baths, in aluminum anodizing and as an oxidation reagent in organic chemistry. It is a high-risk substance classified as carcinogenic, mutagenic and toxic to the reproductive system.

Used in: Metal Surface Treatment

Density2.7 g/mL
Boiling point250 °C

Transport

ADR class
Class 5.1 — Oxidizing substances
UN number
UN1463
Packing group
I

Hazard statements

  • H271May cause fire or explosion; strong oxidiser.
  • H302Harmful if swallowed.
  • H314Causes severe skin burns and eye damage.
  • H317May cause an allergic skin reaction.
  • H330Fatal if inhaled.
  • H340May cause genetic defects.
  • H350May cause cancer.
  • H372Causes damage to organs through prolonged or repeated exposure.
  • H410Very toxic to aquatic life with long lasting effects.

Precautionary statements

Precautionary statements are given in the SDS, sent on request by email.

  • Safety data sheet (SDS)On request by email
  • Technical data sheet (TDS)On request by email
  • Certificate of analysis (CoA)On request by email

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Applications

Chrome plating (electroplating) baths · Aluminum anodizing · Oxidation reagent in organic synthesis

Storage

Store in an area completely separate from flammable and organic materials · Keep in tightly closed packaging so that it does not absorb moisture · Keep away from reducing agents

Packaging

Packed to your specification. Powders, crystals, flakes and granules are supplied in:

  • Stack of plain white woven sacks on a wooden pallet
    Bags
  • Filled white bulk bag on a wooden pallet
    Big bags

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Chromic Acid (Chromium Trioxide)

CAS 1333-82-0 · Flake

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