Ethyl 3-Methylcrotonate , >97.0%(GC) , 638-10-8

Synonym(s):
Ethyl 3-methylcrotonate

CAS NO.：638-10-8

Empirical Formula: C7H12O2

Molecular Weight: 128.17

MDL number: MFCD00009187

EINECS: 211-319-1

PRODUCT Properties

• Melting point: -62.68°C (estimate)
• Boiling point: 154-155 °C (lit.)
• Density: 0.922 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.436(lit.)
• Flash point: 93 °F
• storage temp.: Store at room temperature
• Water Solubility: Insoluble in water
• form: clear liquid
• color: Colorless to Almost colorless
• Stability: Stable. Flammable. Incompatible with acids, bases, oxidizing agents, reducing agents.
• InChI: InChI=1S/C7H12O2/c1-4-9-7(8)5-6(2)3/h5H,4H2,1-3H3
• InChIKey: UTXVCHVLDOLVPC-UHFFFAOYSA-N
• SMILES: C(OCC)(=O)/C=C(/C)\C
• LogP: 2.225 (est)
• CAS DataBase Reference: 638-10-8(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Butenoic acid, 3-methyl-, ethyl ester(638-10-8)
• EPA Substance Registry System: 2-Butenoic acid, 3-methyl-, ethyl ester (638-10-8)

Description and Uses

Ethyl 3,3-dimethylacrylate was used in the synthesis of:

• 3-benzylmercupto-3-methylbutanoic acid ethylester
• cis-2-cyano-3,3-dimethylcyclopropanecarboxylic acid, precursor for the synthesis of cis-pyrethroids
• 1-[¹³CD₃]-9-cis-retinoic acid

Safety

• Symbol(GHS): GHS02
• Signal word: Warning
• Hazard statements: H226
• Precautionary statements: P501-P240-P210-P233-P243-P241-P242-P280-P370+P378-P303+P361+P353-P403+P235
• Hazard Codes: Xi
• Risk Statements: 10-36/37/38
• Safety Statements: 16-29-33-28-26
• RIDADR: UN 3272 3/PG 3
• WGK Germany: 2
• RTECS: GQ5750000
• HazardClass: 3.2
• PackingGroup: III
• HS Code: 29161900
• Limited Quantities: 5.0 L (1.3 gallons) (liquid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)