Potassium metabisulfite, 97%, extra pure, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10722792	Thermo Scientific Acros 418270250	25 g	Glass bottle
10229560	Thermo Scientific Acros 418275000	500 g	Glass bottle
10320354	Thermo Scientific Acros 418270025	2.5 kg	Plastic bottle

Description

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

Chemical Identifiers

• CAS: 16731-55-8
• Molecular Weight (g/mol): 222.31
• InChI Key: RWPGFSMJFRPDDP-UHFFFAOYSA-L
• PubChem CID: 28019
• SMILES: [K+].[K+].[O-]S(=O)S([O-])(=O)=O

• Molecular Formula: K2O5S2
• MDL Number: MFCD00167605
• Synonym: potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5
• IUPAC Name: dipotassium sulfinatosulfonate

Specifications

• Melting Point: 150.0°C
• Color: White to Yellow
• 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
• SMILES: [K+].[K+].[O-]S(=O)S([O-])(=O)=O
• Molecular Weight (g/mol): 222.31
• Formula Weight: 222.33
• Grade: Extra Pure

• CAS: 16731-55-8
• Physical Form: Fine Crystalline Powder
• Molecular Formula: K2O5S2
• MDL Number: MFCD00167605
• Synonym: potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5
• InChI Key: RWPGFSMJFRPDDP-UHFFFAOYSA-L
• IUPAC Name: dipotassium sulfinatosulfonate
• PubChem CID: 28019
• Percent Purity: 97%
• Chemical Name or Material: Potassium metabisulfite, 97%

Safety and Handling

GHS H Statement
Causes serious eye damage.
Contact with acids liberates toxic gas.

GHS P Statement
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses,if present and easy to do.
Continue rinsing.
Immediately call a POISON CENTER or doctor/physician.

GHS Signal Word: Danger

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

missing translation for 'rtecsNumber' : TT4920000

missing translation for 'tsca' : TSCA

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/.

RUO – Research Use Only