16731-55-8|Disulfurous acid,potassium salt (1:2)Products Supply

Disulfurous acid,potassium salt (1:2) cas no:16731-55-8

Synonyms: Disulfurous acid, potassium salt (1:2);Potassium pyrosulfite (6CI);Pyrosulfurous acid,dipotassium salt (8CI);Dipotassium disulfite;Dipotassium metabisulfite;Dipotassium pyrosulfite;Potassium disulfite (K2S2O5);Potassium metabisulfite (K2S2O5);Potassium metabisulfite;

Identification

NameDisulfurous acid,potassium salt (1:2)
CAS16731-55-8
SynonymsDisulfurous acid, potassium salt (1:2);Potassium pyrosulfite (6CI);Pyrosulfurous acid,dipotassium salt (8CI);Dipotassium disulfite;Dipotassium metabisulfite;Dipotassium pyrosulfite;Potassium disulfite (K2S2O5);Potassium metabisulfite (K2S2O5);Potassium metabisulfite;
EINECS(EC#)240-795-3
Molecular FormulaK₂O₅S₂
Molecular Weight222.3236

Chemical Properties

Appearanceslightly yellow crystalline powder.

Safety Data

Hazard Xi
Risk R31
Safety

Hazard Codes:?Xi
H Xi: Irritant.
Risk Statements: 31-36/37/38
R 31: Contact with acids liberates toxic gas.
R 36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S 26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36: Wear suitable protective clothing.
WGK Germany: 1
F: 23 Sensitive to air.

Toxicity

RTECS: TT4920000
LD50/LC50: RTECS: Not available. Other: Oral, rat: LD50 = 2300 mg/kg
Carcinogenicity: Potassium metabisulfite - IARC: Group 3 (not classifiable)
Other: The toxicological properties have not been fully investigated. See actual entry in RTECS for complete information.

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Disulfurous acid,potassium salt (1:2) cas no:16731-55-8

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