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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:?IrritantXi
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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Charkit Chemical Corporation
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Address: 32 Haviland Street ,Norwalk, Connecticut 06854-4906
American Tartaric Products, Inc.
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Mutchler Inc.
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Columbus Chemical Industries Inc.
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A & A Chemicals (Shanghai) Limited
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NOAH TECHNOLOGIES CORPORATION
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HEBEI DEZHENG CHEMICALS CO.,LTD
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Handan Sunway Chemical Co.Ltd.
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Mutchler Chemical Company, Inc.
Tel:201 768 1100
Address: 20 Elm Street Harrington Park, NJ 07640
Nanjing King-Pharm Co.,Ltd
Tel:86-25-58747998
Address: Biomedical HouseA203 in high-tech development zone of nanjing
P.D. Fine Chem
Tel:91 8110, 415 444
Address: A House of Fine Chemicals #109 & 110, 4Th Phase KLADS Industrial AreaBommasandra-Jigani Link Road Bandenallasandra Anekal Taluk,Bangalore-562 106, INDIA
Jinan JuHeng Chemical CO., Ltd.
Tel:+86-531-66711649
Address: No.121 Wuyingshan Street, Tianqiao District,Jinan
Xiamen FuKang Chemical Co.,Ltd
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Shanghai Qinsheng Pharm Technology Co.,Ltd
Tel:0086-21-60325517
Address: Room 1109, No.360, Changshou Road, Putuo District
qingdao taihongda Chem co., ltd
Tel:86-187-53250195
Address: No.3,Dongzhong Road,Shibei District,Qingdao,266000

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