Identification

Numero CAS

97-72-3

Nom scientifique (FR)

Anhydride Isobutyrique

Nom scientifique (EN)

2-methylpropanoyl 2-methylpropanoate

Autres dénominations scientifiques (Autre langues)

isobutyric acid anhydride ; isobutyric anhydride ; isobutyryl anhydride ; propanoic acid, 2-methyl-, anhydride

Code EC

202-603-6

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ C8H14O3 }\)

Code InChlKey

LSACYLWPPQLVSM-UHFFFAOYSA-N

Code SMILES

O=C(OC(=O)C(C)C)C(C)C

Generalities

Poids moléculaire

158.19 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 16030 mg.L-1
calculée à 25°C
UNEP p.27
Densité 0.9535 - UNEP p.27
Pression de vapeur 500 Pa
mesurée à 50°C
UNEP p.27
Pression de vapeur 90 Pa
calculée à 25°C
UNEP p.27
Point de fusion -53.5 °C UNEP p.27
Coefficient de partage octanol/eau (Log Kow) 1.24 -
calculé
UNEP p.27
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Persistence

Abiotic degradability

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Photolyse 5.7 jour
calculée
UNEP p.27
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Accidental values

Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
PAC-1 60 min 0,19 ppm EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50 (HHR = 3)
PAC-2 60 min 2 ppm EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50 (HHR = 3)
PAC-3 60 min 12 ppm EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50 (HHR = 3)
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