Identification

Numero CAS

7775-14-6

Nom scientifique (FR)

Dithionite de sodium

Nom scientifique (EN)

NA

Autres dénominations scientifiques (FR)

Hydrosulfite de sodium

Autres dénominations scientifiques (Autre langues)

sodium dithionite ; Sodium hypodisulfite ; Disodium hydrosulfite ; Sodium hyposulfite ; Disodium dithionite ; Dithionous acid, disodium salt ; Ditionito de sodio ; Ditionito disodico ; Hidrosulfito disodico ; Natrium dithionit ; Sodio idrosolfito ; Sodium hydrosulphite ; Sodium sulfoxylate

Code EC

231-890-0

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ Na2S2O4 }\)

Code InChlKey

GRWZHXKQBITJKP-UHFFFAOYSA-N

Code SMILES

[Na]OS(=O)S(=O)O[Na]

CLP classification

Type de classification

Harmonisée

ATP insertion

CLP00

Description de la classification

Classification harmonisée selon réglement 1272/2008 ou CLP

Hazard statements
Hazard statement - Code H251
Hazard statement - Text Matière auto-échauffante ; peut s'enflammer
Hazard class(es) Substances et mélanges auto-échauffants
EU hazard label -
Specific concentration limits -
M factor -
Acute toxicity estimate -
ECHA sheet
ECHA sheet

Regulations

Generalities

Poids moléculaire

174.11 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 219000 mg.L-1
valeur maximale à 20°C
UNEP (2007) p.128
Densité 2.38 - UNEP (2007) p.128
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Bibliography

Accidental values

Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
PAC-1 60 min 30 mg.m-3 EHSS (2018) Final
TLV-TWA (PNOS) x 3, TEEL-1 x 11, TEEL-2 x 6
PAC-2 60 min 330 mg.m-3 EHSS (2018) Final
TLV-TWA (PNOS) x 3, TEEL-1 x 11, TEEL-2 x 6
PAC-3 60 min 2000 mg.m-3 EHSS (2018) Final
TLV-TWA (PNOS) x 3, TEEL-1 x 11, TEEL-2 x 6
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Bibliography

Hazards

Hazard values

Valeurs de danger
ineris name Specie Value Trofic level Taxon Matrix Life stage Effect Detailed effect Duration of exposure ineris method Guideline Commentary Source
CL/CE50 206 mg.L-1 Algue UNEP (2007) p.128
CL/CE50 98.3 mg.L-1 Invertebré UNEP (2007) p.128
CL/CE50 63.2 mg.L-1 Poisson UNEP (2007) p.128
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Ecotoxicological values

Guide values

Valeurs guides
ineris name Value Matrix Target Critical effect retained Duration of exposure Factor Commentary Status state Value retained by INERIS Year Source
PNEC chronique / AA-QSwater_eco 0.1 mg.L-1 Eau douce 100
extrapolation
Yes UNEP (2007) p.128
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