Agent Name

Chromium(III) fluoride tetrahydrate

CAS Number

123333-98-2; 68886-78-2

Formula

Cr-F3.4H2-O

Major Category

Metals

Synonyms

Chromic fluoride tetrahydrate; [MSDSonline]

Category

Chromium Compounds, Inorganic

Description

Green crystals, slightly soluble in water; [MSDSonline]

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] Corrosive to skin, eyes, and respiratory tract; Can cause fluoride poisoning; [MSDSonline] See "Chromium."

Exposure Assessment
BEI

Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.)

Skin Designation (ACGIH)

Insufficient data

TLV (ACGIH)

0.5 mg/m3, as Cr (2.5 mg/m3, as F)

PEL (OSHA)

0.5 mg/m3, as Cr (2.5 mg/m3, as F)

MAK

1 mg/m3, as F, inhalable fraction

Links to Other NLM Databases
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Other Information

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