Agent Name

Trichromium disilicide

CAS Number

12134-19-9

Formula

Cr3-Si2

Major Category

Metals

Category

Chromium Compounds, Inorganic

Description

Odorless powder and pieces; [Materion Advanced Chemicals MSDS]

Comments

May cause abrasive skin and eye irritation; Inhalation may cause dry throat and coughing; Chronic inhalation exposure may cause fibrosis of lungs and nasal and/or lung cancer; [Materion Advanced Chemicals MSDS] See "Chromium silicide." See "Chromium."

Exposure Assessment
TLV (ACGIH)

0.003 ppm, as Cr(III), inhalable particulate matter

PEL (OSHA)

0.5 ppm

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]

Adverse Effects
IARC Carcinogen

Not Classifiable

ACGIH Carcinogen

Not Classifiable

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