Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

106505 Sodium dithionite

EMPLURA®

Sodium dithionite MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Sodium hydrosulfite, Sodium hypodisulfite

CAS #: 7775-14-6 EC Number: 231-890-0 Molar Mass: 174.11 g/mol Chemical Formula: Na₂S₂O₄ Hill Formula: Na₂O₄S₂
View Products on Sigmaaldrich.com
106505
Purchase on Sigma-Aldrich

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
7775-14-6231-890-0Na₂O₄S₂Na₂S₂O₄174.11 g/mol

Products

Catalogue NumberPackaging Qty/Pack
1065051000 Metal can 1 kg
1065059050 Steel drum 50 kg
Description
Catalogue Number106505
SynonymsSodium hydrosulfite, Sodium hypodisulfite
References
Product Information
CAS number7775-14-6
EC index number016-028-00-1
EC number231-890-0
Hill FormulaNa₂O₄S₂
Chemical formulaNa₂S₂O₄
Molar Mass174.11 g/mol
HS Code2831 10 19
Quality LevelMQ200
Applications
Biological Information
Physicochemical Information
Density2.5 g/cm3 (20 °C)
Flash point>100 °C
Ignition temperature>200 °C
Melting Point100 °C (decomposition)
pH value5.5 - 8.5 (50 g/l, H₂O, 20 °C)
Bulk density1250 kg/m3
Solubility250 g/l (slow decomposition)
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 2500 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H251: Self-heating: may catch fire.
H302: Harmful if swallowed.
H319: Causes serious eye irritation.
EUH031: Contact with acids liberates toxic gas.
Precautionary Statement(s)P235: Keep cool.
P264: Wash skin thoroughly after handling.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/ attention.
P403 + P235: Store in a well-ventilated place. Keep cool.
Signal WordDanger
Storage class4.2 Pyrophoric and self-heating hazardous materials
WGKWGK 1 slightly hazardous to water
Disposal6
Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.
Safety Information
Categories of dangeroxidizing, harmful
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 1384 , 4.2, II
Declaration (transport by air) IATA-DGRUN 1384 , 4.2, II
Declaration (transport by sea) IMDG-CodeUN 1384 , 4.2, II
Supplemental Information
Specifications
Assay (iodometric)≥ 85.0 %
Identitypasses test
Chloride (Cl)≤ 0.05 %
Fe (Iron)≤ 0.005 %
Global Trade Item Number
Catalogue Number GTIN
1065051000 04022536077796
1065059050 04022536077802