Sodium hydrosulfite, tech., 85+%

Description

CAS: 7775-14-6 | Na2O4S2 | 174.096 g/mol

Sodium hydrosulfite is used as a reducing agent in aqueous solutions, sulfonating agent , chelating agent and decolorizing agent in organic reactions. It finds application in water treatment, gas purification, cleaning, leather, polymers, photography, and many others. It is involved in chemical enhanced oil recovery to stabilize polyacrylamide polymers against radical degradation in the presence of iron. It plays an important role to determine the iron content in soil chemistry.

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

• CAS: 7775-14-6
• Molecular Formula: Na2O4S2
• Molecular Weight (g/mol): 174.096
• MDL Number: MFCD00011640
• InChI Key: JVBXVOWTABLYPX-UHFFFAOYSA-L
• Synonym: sodium dithionite, sodium hydrosulfite, disodium dithionite, vatrolite, sodium sulfoxylate, sodium hydrosulphite, dithionous acid, disodium salt, blankit, burmol, hydros
• PubChem CID: 24489
• ChEBI: CHEBI:66870
• SMILES: [O-]S(=O)S(=O)[O-].[Na+].[Na+]

• Melting Point: 52°C (decomposition)
• Color: White
• Physical Form: Powder
• Quantity: 1 kg
• Assay Percent Range: >85%
• Solubility Information: Soluble in water. Slightly soluble in alcohol.
• Formula Weight: 174.11
• Sensitivity: Moisture sensitive
• Appearance: White powder
• Chemical Name or Material: Sodium hydrosulfite

Safety and Handling

Hazard Category	H302-H319-X
Precautionary Statement	P235+P410-P264b-P270-P280-P301+P312-P305+P351+P338-P330-P501c
DOTInformation	DOT Class: 4.2; Packing Group: II
EINECSNumber	231-890-0
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only