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Potassium metabisulfite, 95+%, Thermo Scientific Chemicals

43.52 € - 484.41 €

Chemical Identifiers

CAS 16731-55-8
Molecular Formula K2O5S2
Molecular Weight (g/mol) 222.31
MDL Number MFCD00167605
InChI Key RWPGFSMJFRPDDP-UHFFFAOYSA-L
Synonym potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5
PubChem CID 28019
IUPAC Name dipotassium sulfinatosulfonate
SMILES [K+].[K+].[O-]S(=O)S([O-])(=O)=O
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Products 3
Product Code Brand Quantity Price Quantity & Availability  
Product Code Brand Quantity Price Quantity & Availability  
11324958
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Thermo Scientific Alfa Aesar
043908.22
100 g
43.52 €
100g
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11314958
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Thermo Scientific Alfa Aesar
043908.36
500 g
144.72 €
500g
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11334958
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Thermo Scientific Alfa Aesar
043908.A3
2 kg
484.41 €
2kg
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Description

Description

It serves as a component of certain photographic developers and its solution is used in photographic fixing, in the textile industry for dyeing and cotton printing. It is utilized to precipitate gold from solution in aqua regia.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

16731-55-8
222.31
RWPGFSMJFRPDDP-UHFFFAOYSA-L
28019
[K+].[K+].[O-]S(=O)S([O-])(=O)=O
K2O5S2
MFCD00167605
potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5
dipotassium sulfinatosulfonate

Specifications

190°C (decomposition)
White
>99%
MFCD00167605
Soluble in water. Insoluble in ethanol.
[K+].[K+].[O-]S(=O)S([O-])(=O)=O
222.31
222.32
Air Sensitive
16731-55-8
Powder
K2O5S2
potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5
RWPGFSMJFRPDDP-UHFFFAOYSA-L
dipotassium sulfinatosulfonate
28019
Pungent
Potassium metabisulfite
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Safety and Handling

Safety and Handling

P280-P305+P351+P338-P310

H318

missing translation for 'einecsNumber' : 240-795-3

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures; Store under Nitrogen

Product Identifier
  • Potassium metabisulfite

Signal Word
  • Danger

Hazard Category
  • Serious eye damage/eye irritation Category 1

Hazard Statement
  • H318-Causes serious eye damage.
  • EUH031-Contact with acids liberates toxic gas.

Precautionary Statement
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.

Supplemental information
  • MIXTURE LIST-Contains : Potassium metabisulfite

SDS
Documents

Documents

Product Certifications

RUO – Research Use Only