Identification

Numero CAS

7681-57-4

Nom scientifique (FR)

Disulfite de disodium

Nom scientifique (EN)

sulfino hydrogen sulfite

Autres dénominations scientifiques (FR)

métabisulfite de sodium; Disulfite de sodium; Pyrosulfite de disodium

Autres dénominations scientifiques (Autre langues)

sodium disulfite ; Disodium disulfite ; Disodium pyrosulfite ; Sodium metabisulfite ; Disodium metabisulfite ; Disulfurous acid, disodium salt ; Pyrosulfurous acid, disodium salt

Code EC

231-673-0

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ Na2S2O5 }\)

Code InChlKey

CSABAZBYIWDIDE-UHFFFAOYSA-N

Code SMILES

[Na]OS(=O)(=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 H318
Hazard statement - Text Provoque de graves lésions des yeux.
Hazard class(es) Lésions oculaires graves/irritation oculaire
EU hazard label -
Specific concentration limits -
M factor -
Acute toxicity estimate -
ECHA sheet
ECHA sheet

Regulations

Generalities

Poids moléculaire

190.10 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 470000 mg.L-1
à 20°C
UNEP (2004)
Densité 1.48 - UNEP (2004)
Point de fusion 150 °C UNEP (2004)
Coefficient de partage octanol/eau (Log Kow) -3.7 -
mesuré à 25°C
UNEP (2004)
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Matrixes

Fresh water environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage eau matière en suspension 0.245 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2004)
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Sediment fresh water environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage eau sédiment 0.122 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2004)
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Terrestrial environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage carbone organique/Eau (Koc) 2.447 L.kg-1
calculé avec PCKOWIN
UNEP (2004)
Coefficient de partage eau/sol 0.049 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2004)
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Bioaccumulation

Aquatic organisms

Organismes aquatiques
ineris name Specie Value Trofic level Taxon Matrix Life stage Effect Detailed effect Duration of exposure ineris method Guideline Commentary Source
Bioaccumulation BCF 3.162 - Calcul EPA
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Accidental values

Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
PAC-1 60 min 15 mg.m-3 EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50
PAC-2 60 min 64 mg.m-3 EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50
PAC-3 60 min 390 mg.m-3 EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50
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Regulatory values

Valeurs réglementaires
ineris name Value Source Commentary Critical effect retained Status state Duration of exposure Environment Exposure source Factor Management context Age-Dependent Adjustments Factors ADAF - Age range ADAF - Value ADAF - URL
VLEP 8h 5 mg.m-3 INRS (2024)
Valeur limite admise (circulaire)
Final Air Lieux de travail
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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 48.1 mg.L-1 Algue UNEP (2004)
CL/CE50 88.76 mg.L-1 Invertebré UNEP (2004)
CL/CE50 >100 mg.L-1 Poisson UNEP (2004)
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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
Valeur minimale de la PNEC. - extrapolation
Yes UNEP (2004)
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