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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Reference substances

Reference substances

Currently viewing:
IUPAC name:
3-methylbut-2-enoic acid

Inventory

EC number:
208-782-7
EC name:
3-methylcrotonic acid
CAS number:
541-47-9
CAS number:
541-47-9
Synonyms
Names:
2-Butenoic acid, 3-methyl-
Identifier:
PubChem
3,3-Dimethylacrylic acid
Identifier:
PubChem
3-Methylcrotonic acid
Identifier:
PubChem
3-methylbut-2-enoic acid
Identifier:
other: InChl
InChI=1S/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7)
3-methylbut-2-enoic acid

Molecular and structural information

Molecular formula:
C5H8O2
Molecular weight:
100.116
SMILES notation:
CC(=CC(=O)O)C
InChl:
InChI=1/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7)
Structural formula:
Chemical structure

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