71699

Sodium hydrosulfite

≥82% (RT)

• Synonym(s): Sodium dithionite, Sodium hypodisulfite
• Linear Formula: NaO₂SSO₂Na
• CAS Number: 7775-14-6
• Molecular Weight: 174.11
• EC Number: 231-890-0
• MDL number: MFCD00011640
• PubChem Substance ID: 57652338
• NACRES: NA.21

Properties

• Quality Level: 100
• assay: ≥82% (RT)
• form: powder
• anion traces: chloride (Cl^-): ≤50 mg/kg
• cation traces: Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• SMILES string: [Na+].[Na+].[O-]S(=O)S([O-])=O
• InChI: 1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2
• InChI key: JVBXVOWTABLYPX-UHFFFAOYSA-L

Description

Packaging

50, 250 g

1, 1 kg

Other Notes

Reducing agent; To identify the essential tyrosine residue of F₁-ATPase from the thermophilic bacterium PS3, that reacts with 7-chloro-4-nitrobenzofurazan; Spectrophotometric determination of the haptoglobin-haemoglobin complex in haemolysed serum; Prolongs the hydrogen photoproduction by Chlorella fusca var. vacuolata 211.11M; Cleaves Ellman′s reagent in surfactant vesicles.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H251 - H302 - H319
• Precautionary Statements: P235 - P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2 - Self-heat. 1
• Supplementary Hazards: EUH031
• Storage Class Code: 4.2 - Pyrophoric and self-heating hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves