CAS 4045-44-7|Pentamethylcyclopentadiene

Introduction：Basic information about CAS 4045-44-7|Pentamethylcyclopentadiene, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	Pentamethylcyclopentadiene
CAS Number	4045-44-7	Molecular Weight	136.234
Density	0.8±0.1 g/cm3	Boiling Point	170.2±0.0 °C at 760 mmHg
Molecular Formula	C₁₀H₁₆	Melting Point	236ºC
MSDS	/	Flash Point	44.4±0.0 °C

Names

Name	1,2,3,4,5-Pentamethylcyclopentadiene
Synonym	More Synonyms

Chemical & Physical Properties

Density	0.8±0.1 g/cm3
Boiling Point	170.2±0.0 °C at 760 mmHg
Melting Point	236ºC
Molecular Formula	C₁₀H₁₆
Molecular Weight	136.234
Flash Point	44.4±0.0 °C
Exact Mass	136.125198
LogP	4.64
Vapour Pressure	2.0±0.1 mmHg at 25°C
Index of Refraction	1.460
InChIKey	WQIQNKQYEUMPBM-UHFFFAOYSA-N
SMILES	CC1=C(C)C(C)C(C)=C1C
Storage condition	−20°C

Safety Information

Hazard Codes	Xn: Harmful;
Risk Phrases	R10
Safety Phrases	S16
RIDADR	UN 3295 3/PG 3
WGK Germany	3
Packaging Group	III
Hazard Class	3
HS Code	29021990

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

1,2,3,4,5-Pentamethylcyclopentadiene

EINECS 223-743-4

1,2,3,4,5-Pentamethyl-1,3-cyclopentadiene

cyclopentadiene, 1,2,3,4,5-pentamethyl-

1,3-Cyclopentadiene, 1,2,3,4,5-pentamethyl-

Pentamethylcyclopentadiene

1,2,3,4,5-pentamethylcyclopenta-1,3-diene

MFCD00001354

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