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ChemicalBook--->CAS DataBase List--->10117-38-1

10117-38-1

10117-38-1 Structure

10117-38-1 Structure
IdentificationMore
[Name]

POTASSIUM SULFITE
[CAS]

10117-38-1
[Synonyms]

POTASSIUM SULFITE
POTASSIUM SULPHITE
dipotassiumsulfite
potassiumsulfite(k2so3)
Potassiumsulfite,anhydrous
Sulfurousacid,dipotassiumsalt
Potassium sulfite solution
POTASSIUM SULFITE SOLUTION, ~43% IN WATE R
PotassiumSulphiteAnhydrous
POTASSIUMSULFITE,45%AQUEOUSSOLUTION
POTASSIUMSULFITE,POWDER
Kaliumsulfit
[EINECS(EC#)]

233-321-1
[Molecular Formula]

K2O3S
[MDL Number]

MFCD00011387
[Molecular Weight]

158.26
[MOL File]

10117-38-1.mol
Chemical PropertiesBack Directory
[Appearance]

White crystals or powder. Soluble in water; sparingly soluble in alcohol; decomposes on heating and slowly oxidizes in air.
[density ]

2.353[at 20℃]
[solubility ]

slightly soluble in ethanol
[color ]

colorless hexagonal, hexane crystals, crystalline
[Odor]

odorless
[Water Solubility ]

1060g/L at 25℃
[Merck ]

13,7761
[Uses]

Photographic developer, medicine (cathartic), food and wine preservative.
[CAS DataBase Reference]

10117-38-1(CAS DataBase Reference)
[EPA Substance Registry System]

Potassium sulfite (10117-38-1)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
R31:Contact with acids liberates toxic gas.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

1
[F ]

9
[HS Code ]

2832200000
[Safety Profile]

When heated to decomposition it emits toxic fumes of SOx and K2O. See also SULFUROUS ACID and SULFITES.
[Hazardous Substances Data]

10117-38-1(Hazardous Substances Data)
Hazard InformationBack Directory
[Chemical Properties]

Potassium sulfite, K2SO3·2H2O; potassium hydrogen sulfite, KHSO3; white solids, similar in properties and formation to the corresponding sodium sulfites.
[Chemical Properties]

White crystals or powder. Soluble in water; sparingly soluble in alcohol; decomposes on heating and slowly oxidizes in air.
[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.
Spectrum DetailBack Directory
[Spectrum Detail]

POTASSIUM SULFITE(10117-38-1)IR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

10117-38-1(sigmaaldrich)
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