C4H6O
70.09 g/mol
Industrial ChemicalDanger
METHYL VINYL KETONE
CAS78-94-4EC201-160-6
Category
Industrial Chemical
Compound Class
Other
Primary Use
monomer for polymer production
Methyl vinyl ketone is a clear, colorless liquid with a pungent odor and a low flash point of 20 °F. It is highly toxic by inhalation and causes burns to skin, eyes, and mucous membranes, and may polymerize with heat release under exposure to heat or contamination.
monomer for styrene-methyl vinyl ketone polymers used in photodegradable packagingintermediate in synthesis of steroids and vitamin Aalkylating agent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Monomer for polymer production
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ReferenceSame Category
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Emulsifying agent and chemical intermediate
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silane coupling agent precursor
Safety Reference
Danger
H225Highly flammable liquid and vapour
H300Fatal if swallowed
H310Fatal in contact with skin
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H336May cause drowsiness or dizziness
H224Extremely flammable liquid and vapour
H305May be harmful if swallowed and enters airways
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for METHYL VINYL KETONE (CAS 78-94-4) is 2914.19.
HS code (international, 6-digit)
2914.19
EU CN code (8-digit)
2914 19 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
but-3-en-2-one
InChIKey
FUSUHKVFWTUUBE-UHFFFAOYSA-N
SMILES
CC(=O)C=C
Synonyms (40)
- 1-Buten-3-one
- 1-Propen-3-one
- 1-butene-3-one
- 2-Butenone
- 3-Buten-2-one
- 3-Butene-2-one
- 3-Butenen-2-one
- 3-Butenone-2
- 3-Oxobutene
- 3-butenone
- 3-oxo-1-butene
- 3-oxo-but-1-ene
- 3-oxo-l-butene
- Acetone, methylene-
- Acetyl ethylene
- Butenone
- DELTA-OXO-ALPHA-BUTYLENE
- Delta(3)-2-butenone
- Ketone, methyl vinyl
- METHYL VINYL KETONE
- Methyl ethenyl ketone
- Methyl-vinyl-cetone
- Methyl-vinyl-cetone [French]
- Methylene acetone
- Methylvinylketon
- Methylvinylketon [German]
- Vinyl methyl ketone
- delta(sup 3)-2-Butenone
- g-oxo-a-Butylene
- gamma-Oxo-alpha-butylene
- methly vinyl ketone
- metyl vinyl ketone
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