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  7. Potassium metabisulfite, 97%, extra pure

Potassium metabisulfite, 97%, extra pure

Product Code. 10722792 Shop All Thermo Scientific Chemicals Products
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Quantity:
25 g
500 g
2.5 kg
Packaging:
Glass bottle
Plastic bottle
Unit Size:
2.5kg
25g
500g
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Product Code. Quantity Packaging unitSize
10722792 25 g Glass bottle 25g
10229560 500 g Glass bottle 500g
10320354 2.5 kg Plastic bottle 2.5kg
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Product Code. 10722792 Supplier Thermo Scientific Acros Supplier No. 418270250
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Description

CAS: 16731-55-8 | K2O5S2 | 222.31 g/mol

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

Reduction reagent
TRUSTED_SUSTAINABILITY

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

Specifications

Melting Point 150.0°C
Color White to Yellow
Physical Form Fine Crystalline Powder
Quantity 25 g
Assay Percent Range 96% min. (Iodimetry)
Linear Formula K2S2O5
Merck Index 15, 7766
Solubility Information Solubility in water: 45g/L (20°C). Other solubilities: insoluble in ethanol
Formula Weight 222.33
Percent Purity 97%
Grade Extra Pure
Packaging Glass bottle
Chemical Name or Material Potassium metabisulfite, 97%
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Safety and Handling

compliance-icons
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/.
SDS

RUO – Research Use Only

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