Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More
  1. Home
  2. Products
  3. Chemicals
  4. Salts and Inorganics
  5. Inorganic Salts
  6. Alkali Metal Salts
  7. P197500

Potassium Metabisulfite (Crystalline/Certified), Fisher Chemical

Catalog No. P197500 Shop All Fisherbrand Products
Click to view available options
Quantity:
500 g
Packaging:
Glass Bottle

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°C
Color White
pH 3.5 to 4.5
Physical Form Powder/Solid
Quantity 500 g
Formula Weight 222.32
Grade Certified
Identification Pass Test
Packaging Glass Bottle
Chemical Name or Material Potassium Metabisulfite
Product Content Correction

Your input is important to us. Please complete this form to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Your feedback has been submitted: Thank you for helping us improve our website.