424471

1,2,3,4-Tetramethyl-1,3-cyclopentadiene

~85%

• Synonym(s): 1,2,3,4-Tetramethylcyclopentadiene
• Empirical Formula (Hill Notation): C₉H₁₄
• CAS Number: 4249-10-9
• Molecular Weight: 122.21
• MDL number: MFCD00145385
• UNSPSC Code: 12352100
• PubChem Substance ID: 24866570
• NACRES: NA.22

Properties

• Assay: ~85%
• Quality Level: 100
• form: liquid
• refractive index: n20/D 1.472 (lit.)
• bp: 142 °C (lit.)
• density: 0.808 g/mL at 25 °C (lit.)
• SMILES string: CC1=C(C)C(C)=C(C)C1
• InChI: 1S/C9H14/c1-6-5-7(2)9(4)8(6)3/h5H2,1-4H3
• InChI key: VNPQQEYMXYCAEZ-UHFFFAOYSA-N

Description

General description

1,2,3,4-Tetramethyl-1,3-cyclopentadiene is a tetra substituted 1,3-cyclopentadiene. It participates in the synthesis of resin-bound tetramethylcyclopentadienes.

Application

1,2,3,4-Tetramethyl-1,3-cyclopentadiene may be used as a starting material in the synthesis of 1,7,8,9-tetramethyl-4-oxa-tricyclo[5.2.1.0^2,6]dec-8-ene-3,5-dione.

Other Notes

remainder mixture of isomers

Safety Information

• Pictograms: GHS02
• Signal Word: Warning
• Hazard Statements: H226
• Hazard Classifications: Flam. Liq. 3
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 107.6 °F - closed cup
• Flash Point(C): 42 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves