194328

Ethyl 3,3-dimethylacrylate

98%

• Synonym(s): Ethyl 3-methylcrotonate
• Linear Formula: (CH₃)₂C=CHCO₂C₂H₅
• CAS Number: 638-10-8
• Molecular Weight: 128.17
• EC Number: 211-319-1
• MDL number: MFCD00009187
• UNSPSC Code: 12352100
• PubChem Substance ID: 24851644
• NACRES: NA.22

Properties

• Assay: 98%
• form: liquid
• refractive index: n20/D 1.436 (lit.)
• bp: 154-155 °C (lit.)
• density: 0.922 g/mL at 25 °C (lit.)
• SMILES string: CCOC(=O)\C=C(\C)C
• InChI: 1S/C7H12O2/c1-4-9-7(8)5-6(2)3/h5H,4H2,1-3H3
• InChI key: UTXVCHVLDOLVPC-UHFFFAOYSA-N

Description

General description

Ion-molecule reactions between the O=P(OCH₃)₂+phosphonium ions and ethyl 3,3-dimethylacrylate has been investigated by quadrupole ion trap mass spectrometery.

Application

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 Information

• Pictograms: GHS02
• Signal Word: Warning
• Hazard Statements: H226
• Hazard Classifications: Flam. Liq. 3
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 93.2 °F - closed cup
• Flash Point(C): 34 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves