Identification

Numero CAS

513-35-9

Nom scientifique (FR)

2-Méthylbut-2-Ène

Nom scientifique (EN)

2-methylbut-2-ene

Autres dénominations scientifiques (FR)

Amylène

Autres dénominations scientifiques (Autre langues)

1,1,2-trimethylethylene ; 2-butene, 2-methyl- ; 2-methylbut-2-ene ; 3-methyl-2-butene ; beta-isoamylene ; ethylene, trimethyl-

Code EC

208-156-3

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ C5H10 }\)

Code InChlKey

BKOOMYPCSUNDGP-UHFFFAOYSA-N

Code SMILES

C(=CC)(C)C

Generalities

Poids moléculaire

70.14 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 193 mg.L-1
à 25°C
UNEP (2006) p.82
Densité 0.662 - UNEP (2006) p.82
Pression de vapeur 62390 Pa
à 25°C
UNEP (2006) p.82
Point de fusion -133.7 °C UNEP (2006) p.82
Constante de Henry 11.145 Pa.m3.mol-1
à 25°C
UNEP (2006) p.82
Coefficient de partage octanol/eau (Log Kow) 2.67 - UNEP (2006) p.82
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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 6.8 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2006) p.82
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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 3.4 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2006) p.82
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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) 67.6 L.kg-1
calculé
UNEP (2006) p.82
Coefficient de partage eau/sol 1.4 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2006) p.82
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Persistence

Biodegradability

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

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Photolyse 0.19 jour
calculée
UNEP (2006) p.82
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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 22.7 - UNEP (2006) p.82
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Accidental values

Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
PAC-1 60 min 4,2 ppm EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50 (HHR = 2)
PAC-2 60 min 46 ppm EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50 (HHR = 2)
PAC-3 60 min 280 ppm EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50 (HHR = 2)
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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 13.2 mg.L-1 Algue UNEP (2006) p.82
CL/CE50 3.8 mg.L-1 Invertebré UNEP (2006) p.82
CL/CE50 5 mg.L-1 Poisson UNEP (2006) p.82
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