Chromium (VI) Oxide, flake


Product # 11913
Name Chromium (VI) Oxide, flake
Synonyms Chromium trioxide, Chromic anhydride, Monochromium trioxide
Formula CrO3
Purity ACS
CAS Number 1333-82-0
Molecular Weight 99.99
Color & Form Dark red crystals, flakes or powder
Boiling Point 250° C
Melting Point 197° C
Specific Gravity 2.7 gm/ml
Solubility Soluble


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Transportation Information UN1463, Chromium Trioxide, anhydrous, 5.1 (6.1) (8), II
Pictogram Pictogram: Environment  Pictogram: Corrosive  Pictogram: Health  Pictogram: Oxidizer  Pictogram: Health 
Signal Word Danger
Hazardous Statements

H271  May cause fire or explosion; strong oxidizer.

H301  Toxic if swallowed.

H314  Causes severe skin burns and eye damage.

H334  May cause allergy or asthma symptoms or breathing difficulties if inhaled.

H340  May cause genetic defects.

H350  May cause cancer.

H361  Suspected of damaging fertility or the unborn child.

H372  Causes damage to organs through prolonged or repeated exposure.

H400  Very toxic to aquatic life.

Precautionary Phrases

P201  Obtain special instructions before use.

P220  Keep/Store away from clothing/.../combustible materials.

P261  Avoid breathing dust/fume/gas/mist/vapours/spray.

P273  Avoid release to the environment.

P280  Wear protective gloves/protective clothing/eye protection/face protection.


P305+P351+P338  IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P310  Immediately call a POISON CENTER or doctor/physician.

Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

Featured Element: Bismuth

Bismuth is a brittle crystalline which is slightly pinkish in its elemental form.

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