Potassium sulfite

Agent Name

Potassium sulfite

CAS Number

10117-38-1

Formula

H2-O3-S.2K

Major Category

Other Classes

Potassium sulfite formula graphical representation

Synonyms

Dipotassium sulfite; Sulfurous acid, dipotassium salt; Sulfurous acid, potassium salt; [ChemIDplus]

Category

Sulfites

Description

Dihydrate: White solid; Slowly oxidized by air to sulfate; [Merck Index] White powder; [MSDSonline]

Sources/Uses

Used in photography, food and cosmetics (preservative and antioxidant), and drugs (cathartic and diuretic); [HSDB]

Comments

An irritant; [MSDSonline] See "SULFITES."

Biomedical References

Adverse Effects

Asthma

Yes

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent:

Asthma, occupational

Processes

Industrial Processes with risk of exposure:

Photographic Processing