Identification

Numero CAS

115-11-7

Nom scientifique (FR)

2-Méthylpropène

Nom scientifique (EN)

2-methylprop-1-ene

Autres dénominations scientifiques (FR)

isobutène; 2-Méthyl-1-propène

Autres dénominations scientifiques (Autre langues)

1-Propene, 2-methyl- ; 2-methyl propene ; 2-methylprop-1-ene ; dimethylethylene ; iso-butene ; isopropylidenemethylene ; Methylpropene ; isobutileno

Code EC

204-066-3

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ C2H8 }\)

Code InChlKey

VQTUBCCKSQIDNK-UHFFFAOYSA-N

Code SMILES

C(=C)(C)C

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 H220
Hazard statement - Text Gaz extrêmement inflammable
Hazard class(es) Gaz inflammables
EU hazard label -
Specific concentration limits -
M factor -
Acute toxicity estimate -
ECHA sheet
ECHA sheet

Regulations

Generalities

Poids moléculaire

56.11 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 263 mg.L-1
à 25°C
UNEP (2005) p.28
Densité 0.583 - UNEP (2005) p.28
Pression de vapeur 297300 Pa
à 25°C
UNEP (2005) p.28
Point de fusion -140.14 °C UNEP (2005) p.28
Constante de Henry 63400 Pa.m3.mol-1
calculée - TGD
UNEP (2005) p.28
Coefficient de partage octanol/eau (Log Kow) 2.34 - UNEP (2005) p.28
Coefficient de partage octanol/eau (Log Kow) 2.34 - Expérimentation EPA
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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) 31.82 L.kg-1 Calcul EPA
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Persistence

Abiotic degradability

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Photolyse 0.33 jour
de 2 à 8 heures
UNEP (2005) p.28
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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 12.6 -
calculé
UNEP (2005) p.28
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Accidental values

Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
PAC-1 60 min 750 ppm EHSS (2018) Final
TLV-TWA x 3, mouse 10-min TCLo, rat 240-min LC50
PAC-2 60 min 2500 ppm EHSS (2018) Final
TLV-TWA x 3, mouse 10-min TCLo, rat 240-min LC50
PAC-3 60 min 11000 ppm EHSS (2018) Final
TLV-TWA x 3, mouse 10-min TCLo, rat 240-min LC50
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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 13.9 mg.L-1 Algue UNEP (2005) p.28
CL/CE50 21.9 mg.L-1 Invertebré UNEP (2005) p.28
CL/CE50 19.9 mg.L-1 Poisson UNEP (2005) p.28
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