Identification

Numero CAS

57-13-6

Nom scientifique (FR)

Urée

Nom scientifique (EN)

urea

Autres dénominations scientifiques (Autre langues)

carbamide ; urea ; carbonyldiamide ; carbamimidic acid ; carbonyl diamide ; carbonyldiamine ; mocovina ; urea ammonium nitrate solution

Code EC

200-315-5

Code SANDRE

6019

Number CIPAC

-

Formule chimique brute

\(\ce{ CH4N2O }\)

Code InChlKey

XSQUKJJJFZCRTK-UHFFFAOYSA-N

Code SMILES

O=C(N)N

Families

Chemical families

Urées Sulfonylurées et métabolites

Generalities

Poids moléculaire

60.06 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 1080000 mg.L-1
à 20°C
UNEP (1996) Vol.3 p.115
Densité 1.323 - UNEP (1996) Vol.3 p.115
Pression de vapeur 80 Pa
calculée à 20°C
UNEP (1996) Vol.3 p.115
Point de fusion 133 °C UNEP (1996) Vol.3 p.115
Coefficient de partage octanol/eau (Log Kow) -1.59 -
mesuré à 20-25°C
UNEP (1996) Vol.3 p.115
Coefficient de partage octanol/eau (Log Kow) -2.11 - Expérimentation Opasnet contributors
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Matrixes

Terrestrial environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage carbone organique/Eau (Koc) 3.154 L.kg-1 Calcul EPA
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Persistence

Biodegradability

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Biodégradabilité intrinsèquement 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 maximale estimée
UNEP (1996) Vol.3 p.115
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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 30 mg.m-3 EHSS (2018) Final
WEEL-TWA x 3, TEEL-3/6, rat oral LD50
PAC-2 60 min 280 mg.m-3 EHSS (2018) Final
WEEL-TWA x 3, TEEL-3/6, rat oral LD50
PAC-3 60 min 1700 mg.m-3 EHSS (2018) Final
WEEL-TWA x 3, TEEL-3/6, rat oral LD50
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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 >10000 mg.L-1 Invertebré UNEP (1996) Vol.3 p.115
CL/CE50 >9100 mg.L-1 Poisson UNEP (1996) Vol.3 p.115
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