Identification

Numero CAS

674-82-8

Nom scientifique (FR)

Acétyl cétène

Nom scientifique (EN)

4-methylideneoxetan-2-one

Autres dénominations scientifiques (FR)

4-Méthylène-2-oxetannone; But-3-ène-3-olide

Autres dénominations scientifiques (Autre langues)

dicetene ; diketene ; but-3-en-3-olide ; 3-buteno-beta-lactone ; 4-methylene-2-oxetanone ; acetyl ketene ; 2-oxetanone, 4-methylene- ; 3-butenoic acid, 3-hydroxy-, beta-lactone ; ethenone, dimer ; ketene, dimer ; vinylaceto-beta-lactone

Code EC

211-617-1

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ C4H4O2 }\)

Code InChlKey

WASQWSOJHCZDFK-UHFFFAOYSA-N

Code SMILES

C1(=O)CC(=C)O1

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 H226
Hazard statement - Text Liquide et vapeurs inflammables
Hazard class(es) Liquides inflammables
EU hazard label -
Specific concentration limits -
M factor -
Acute toxicity estimate -
ECHA sheet
ECHA sheet

Regulations

Accidental values

Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
AEGL-1 10 min NR ppm EPA Final
Not recommended due to insufficient data
AEGL-1 30 min NR ppm EPA Final
Not recommended due to insufficient data
AEGL-1 60 min NR ppm EPA Final
Not recommended due to insufficient data
AEGL-1 240 min NR ppm EPA Final
Not recommended due to insufficient data
AEGL-1 480 min NR ppm EPA Final
Not recommended due to insufficient data
AEGL-2 10 min 1,8 ppm EPA Final
AEGL-2 30 min 1,3 ppm EPA Final
AEGL-2 60 min 1 ppm EPA Final
AEGL-2 240 min 0,25 ppm EPA Final
AEGL-2 480 min 0,13 ppm EPA Final
AEGL-3 10 min 5,5 ppm EPA Final
AEGL-3 30 min 3,8 ppm EPA Final
AEGL-3 60 min 3 ppm EPA Final
AEGL-3 240 min 0,75 ppm EPA Final
AEGL-3 480 min 0,38 ppm EPA Final
ERPG-1 60 min 1 ppm AIHA (2022) Final
ERPG-2 60 min 5 ppm AIHA (2022) Final
ERPG-3 60 min 50 ppm AIHA (2022) Final
IDLH 30 min 7 ppm NIOSH (2017) Final
PAC-1 60 min 0,091 ppm EHSS (2018) Final
AEGL-2/11, AEGL-2, AEGL-3
PAC-2 60 min 1 ppm EHSS (2018) Final
AEGL-2/11, AEGL-2, AEGL-3
PAC-3 60 min 3 ppm EHSS (2018) Final
AEGL-2/11, AEGL-2, AEGL-3
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