Merck
All Photos(1)

71699

Sigma-Aldrich

Sodium hydrosulfite

≥82% (RT)

Synonym(s):
Sodium dithionite, Sodium hypodisulfite
Linear Formula:
NaO2SSO2Na
CAS Number:
Molecular Weight:
174.11
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

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

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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.

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Self-heat. 1

Supplementary Hazards

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

Certificate of Analysis

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Certificate of Origin

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