Agent Name

Calcium hydrosulfite

CAS Number

15512-36-4

Formula

Ca.H2-O4-S2

Major Category

Metals

Synonyms

Calcium dithionite; Calcium hydrosulphite [CAMEO]

Category

Hydrosulfites

Description

Colorless to slightly yellow liquid with a strong sulfur odor; [CAMEO]

Comments

Reacts with water to form hydrogen sulfide and sulfur dioxide; [ERG 2016] Corrosive to skin and eyes; [CAMEO]

Exposure Assessment
TIH

Yes

Dangerous When Wet

Yes - A material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour; [ERG 2004]

Explanatory Notes

Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016]

Adverse Effects
Toxic Pneumonitis

Yes

Other Poison

Chemical Asphyxiant

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: