Identification

Numero CAS

79-31-2

Nom scientifique (FR)

Acide Isobutyrique

Nom scientifique (EN)

2-methylpropanoic acid

Autres dénominations scientifiques (FR)

Acide méthyl-2 propanoïque

Autres dénominations scientifiques (Autre langues)

isobutyric acid ; 2-methylpropanoic acid ; dimethylacetic acid ; propionic acid, 2-methyl- ; acetic acid, dimethyl- ; alpha-methylpropanoic acid ; alpha-methylpropionic acid ; i-butyric acid ; isobutanoic acid ; isopropylformic acid ; propanoic acid, 2-methyl-

Code EC

201-195-7

Code SANDRE

3153

Number CIPAC

-

Formule chimique brute

\(\ce{ C4H8O2 }\)

Code InChlKey

KQNPFQTWMSNSAP-UHFFFAOYSA-N

Code SMILES

O=C(O)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 H302
Hazard statement - Text Nocif en cas d'ingestion
Hazard class(es) Toxicité aiguë
EU hazard label -
Hazard statement - Code H312
Hazard statement - Text Nocif par contact cutané
Hazard class(es) Toxicité aiguë
EU hazard label -
Specific concentration limits -
M factor -
Acute toxicity estimate -
ECHA sheet
ECHA sheet

Regulations

Generalities

Poids moléculaire

88.11 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 167000 mg.L-1 UNEP p.27
Densité 0.95 - UNEP p.27
Pression de vapeur 1950 Pa UNEP p.27
Pression de vapeur 241 Pa
à 25°C
UNEP p.27
Point de fusion -47 °C UNEP p.27
Constante de Henry 709275 Pa.m3.mol-1 UNEP p.27
Constante de Henry 896700 Pa.m3.mol-1 UNEP p.27
Coefficient de partage octanol/eau (Log Kow) 0.94 -
mesuré
UNEP p.27
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Bibliography

Persistence

Biodegradability

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

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Photolyse 4.6 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 0,23 ppm EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50
PAC-2 60 min 2,6 ppm EHSS (2018) Final
TEEL-2/11, TEEL-3/6, rat oral LD50
PAC-3 60 min 15 ppm EHSS (2018) Final
TEEL-2/11, 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 51.25 mg.L-1 Invertebré UNEP p.27
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