Identification

Numero CAS

115-19-5

Nom scientifique (FR)

2-Méthylbut-3-yne-2-ol

Nom scientifique (EN)

2-methylbut-3-yn-2-ol

Autres dénominations scientifiques (FR)

2-Méthyl-3-butyn-2-ol

Autres dénominations scientifiques (Autre langues)

2-Methyl-3-butyn-2-ol ; 2-methylbut-3-yn-2-ol ; 3-Butyn-2-ol, 2-methyl- ; Dimethyl ethynyl carbinol

Code EC

204-070-5

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ C5H8O }\)

Code InChlKey

CEBKHWWANWSNTI-UHFFFAOYSA-N

Code SMILES

OC(C#C)(C)C

Generalities

Poids moléculaire

84.12 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Densité 0.86 - UNEP (2002) Vol.7 p.18
Pression de vapeur 2000 Pa
à 20°C
UNEP (2002) Vol.7 p.18
Point de fusion 3 °C UNEP (2002) Vol.7 p.18
Constante de Henry 0.1 Pa.m3.mol-1
calculée
UNEP (2002) Vol.7 p.18
Coefficient de partage octanol/eau (Log Kow) 0.318 -
mesuré par la méthode du flacon
UNEP (2002) Vol.7 p.18
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Bibliography

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
Photolyse 2.2 jour
calculée
UNEP (2002) Vol.7 p.18
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Bibliography

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 (2002) Vol.7 p.18
CL/CE50 3290 mg.L-1 Poisson UNEP (2002) Vol.7 p.18
CL/CE50 359 mg.L-1 Invertebré UNEP (2002) Vol.7 p.18
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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 0.359 mg.L-1 Eau douce 1000
La PNEC a été dérivée à partir d'un test aigu sur un invertebré marin. - extrapolation
Yes UNEP (2002) Vol.7 p.18
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Bibliography