POTASSIUM SULFITE CAS NO.10117-38-1

Product Name:    POTASSIUM SULFITE
Synonyms:    POTASSIUM SULFITE;POTASSIUM SULPHITE;Kaliumsulfit;Sulfurousacid, potassium salt;potassium sulfite potassiumsulphite;Potassium sulfite ,95%;Potassium sulfide an;45% PotassiuM Sulfite Solution
CAS:    10117-38-1
MF:    K2O3S
MW:    158.2598
EINECS:    233-321-1
Product Categories:    Inorganics;Inorganic Salts;Potassium;Synthetic Reagents
Mol File:    10117-38-1.mol
 

Merck     13,7761
CAS DataBase Reference    10117-38-1(CAS DataBase Reference)
EPA Substance Registry System    Potassium sulfite (10117-38-1)
Safety Information
Hazard Codes     Xi
Risk Statements     36/37/38-31
Safety Statements     26-36
WGK Germany     1
F     9
Hazardous Substances Data    10117-38-1(Hazardous Substances Data)

Chemical Properties    White crystals or powder. Soluble in water; sparingly soluble in alcohol; decomposes on heating and slowly oxidizes in air.
Chemical Properties    Potassium sulfite, K2SO3·2H2O; potassium hydrogen sulfite, KHSO3; white solids, similar in properties and formation to the corresponding sodium sulfites.
Uses    Photographic developer, medicine (cathartic), food and wine preservative.
Definition    potassium sulphite: A white crystallinesolid, K2SO3, soluble in waterand very sparingly soluble inethanol; r.d. 1.51; decomposes onheating. It is a reducing agent and isused as such in photography and inthe food and brewing industries,where it prevents oxidation.
Safety Profile    When heated to decomposition it emits toxic fumes of SOx and K2O. See also SULFUROUS ACID and SULFITES.