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424471 Sigma-Aldrich

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

~85%

  • CAS Number 4249-10-9

  • Empirical Formula (Hill Notation) C9H14

  • Molecular Weight 122.21

  •  MDL number MFCD00145385

  •  PubChem Substance ID 24866570

  •  NACRES NA.22

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Properties

Related Categories Alkenes, Building Blocks, Chemical Synthesis, Cyclic, Organic Building Blocks More...
Quality Level   100
assay   ~85%
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[5.2.1.02,6]dec-8-ene-3,5-dione.

Packaging

5 g in glass bottle

Other Notes

remainder mixture of isomers

Safety & Documentation

Safety Information

Symbol 
GHS02  GHS02
Signal word 
Warning
Hazard statements 
RIDADR 
UN 3295C 3 / PGIII
WGK Germany 
WGK 3
Flash Point(F) 
107.6 °F - closed cup
Flash Point(C) 
42 °C - closed cup

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Meet Synthia - Retrosynthesis Sofware
Protocols & Articles
Peer-Reviewed Papers
15

References

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