Identification

Numero CAS

96-31-1

Nom scientifique (FR)

1,3-Diméthylurée

Nom scientifique (EN)

1,3-dimethylurea

Autres dénominations scientifiques (Autre langues)

1,3-dimethylurea ; sym-dimethylurea ; n,n'-dimethylharnstoff ; n,n'-dimethylurea ; symmetric dimethylurea ; urea, 1,3-dimethyl- ; urea, n,n'-dimethyl-

Code EC

202-498-7

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ C3H8N2O }\)

Code InChlKey

MGJKQDOBUOMPEZ-UHFFFAOYSA-N

Code SMILES

O=C(NC)NC

Generalities

Poids moléculaire

88.11 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 765000 mg.L-1
à 21,5°C
UNEP (2005) p.12
Densité 1.142 - UNEP (2005) p.12
Pression de vapeur 0.147 Pa
entre 0,127 et 0,147 Pa à 30,3°C
UNEP (2005) p.12
Point de fusion 104.5 °C UNEP (2005) p.12
Constante de Henry 0.000178 Pa.m3.mol-1
à 25°C
UNEP (2005) p.12
Coefficient de partage octanol/eau (Log Kow) -0.783 -
mesuré à 21,5°C
UNEP (2005) p.12
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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 0.883 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2005) p.12
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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 0.442 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2005) p.12
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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) 8.832 L.kg-1
calculé avec PCKOWIN
UNEP (2005) p.12
Coefficient de partage eau/sol 0.177 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2005) p.12
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Persistence

Biodegradability

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Biodégradabilité facilement biodégradable -
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Abiotic degradability

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrolyse 365 jour
valeur minimale calculée avec HYDROWIN
UNEP (2005) p.12
Photolyse 5.2 jour
calculée avec AOPWIN
UNEP (2005) p.12
Photolyse 111 jour
calculée
UNEP (2005) p.12
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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 3.16 -
valeur calculée avec BCFWIN
UNEP (2005) p.12
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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 >500 mg.L-1 Algue UNEP (2005) p.12
CL/CE50 >500 mg.L-1 Invertebré UNEP (2005) p.12
CL/CE50 10000 mg.L-1 Poisson UNEP (2005) p.12
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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 0.5 mg.L-1 Eau douce 1000
extrapolation
Yes UNEP (2005) p.12
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