1,2,3,4-Tetramethylcyclopentadiene

Modify Date: 2025-08-21 09:18:34

1,2,3,4-Tetramethylcyclopentadiene Structure
1,2,3,4-Tetramethylcyclopentadiene structure
Common Name 1,2,3,4-Tetramethylcyclopentadiene
CAS Number 4249-10-9 Molecular Weight 122.207
Density 0.8±0.1 g/cm3 Boiling Point 146.8±7.0 °C at 760 mmHg
Molecular Formula C9H14 Melting Point N/A
MSDS N/A Flash Point 27.5±13.0 °C

 Names

Name 1,2,3,4-Tetramethylcyclopenta-1,3-diene
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.8±0.1 g/cm3
Boiling Point 146.8±7.0 °C at 760 mmHg
Molecular Formula C9H14
Molecular Weight 122.207
Flash Point 27.5±13.0 °C
Exact Mass 122.109550
LogP 4.15
Vapour Pressure 5.8±0.1 mmHg at 25°C
Index of Refraction 1.470
Storage condition Refrigerator (+4°C) + Flammables area
Water Solubility Not miscible mix with mater.

 Safety Information

Hazard Codes Xi
Risk Phrases R10
Safety Phrases S16
RIDADR UN 3295
WGK Germany 3
Packaging Group III
HS Code 2902199090

 Synthetic Route

 Customs

HS Code 2902199090
Summary 2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

1,2,3,4-Tetramethyl-1,3-cyclopentadiene
1,3-Cyclopentadiene, 1,2,3,4-tetramethyl-
1,2,3,4-tetramethyl-cyclopentadiene
1,2,3,4-Tetramethylcyclopenta-1,3-diene
1,2,3,4-Tetramethylcyclopentadiene
MFCD00145385
Tetramethylcyclopentadiene
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