Chromium(III) chloride

Synonyms

Chromic chloride; Chromic chloride anhydrous; C.I. 77295; Chromic chloride; Chromium trichloride; Chromium(3+) chloride; Chromium(III) chloride; Chromium(III) chloride, anhydrous; Puratronic chromium chloride; Trichlorochromium; [ChemIDplus]

Category

Chromium Compounds, Inorganic

Description

Violet, lustrous, crystals; [Merck Index] Sparingly soluble in water at 20 deg C; [ACGIH]

Sources/Uses

Used in chromizing, tanning, waterproofing and as a polymerization catalyst, textile mordant, and corrosion inhibitor; [Merck Index]

Comments

CrIII compounds do not cause chrome ulcerations but may cause allergic dermatitis in workers with prior sensitization to CrVI compounds. [ILO Encyclo] CrIII is an essential trace mineral in the human diet. [ATSDR Case Studies] An eye and respiratory tract irritant; [ICSC] Toxic by ingestion or skin absorption; [CAMEO] See "Chromium."

Biomedical References

0.003 mg/m3, as Cr(III), inhalable particulate matter

0.5 mg/m3

LC50 (mice) = 31.5 mg/m3/2h

Explanatory Notes

Soluble Cr(III) compounds are assigned RSEN and DSEN; "Trivalent chromium compounds--with the exception of chromium(III) acetate, chromium(III) chloride hexahydrate, and chromium(III) nitrate--are insoluble or poorly soluble in water . . ." [ACGIH]

will not burn

Yes

Yes

Not classifiable

Not Classifiable

Diseases

Occupational diseases associated with exposure to this agent:

• Asthma, occupational
• Contact dermatitis, allergic

Processes

Industrial Processes with risk of exposure:

• Leather Tanning and Processing
• Textiles (Printing, Dyeing, or Finishing)