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

BGC Id:	240891228520
CAS No:	4045-44-7
Synonyms:	pentamethylcyclopentadiene 98+% ; pentamethylcyclopentadiene ; 1,2,3,4,5-pentamethylcyclopentadiene for ; 1,2,3,4,5-pentamethylcyclopentadiene ; 1,2,3,4,5-pentamethylcyclopentadiene 95% ; cyclopentadiene, 1,2,3,4,5-pentamethyl- ; mcpt ; pentamethylcyclopentadiene,min.98% ; 1,2,3,4,5-pentamethylcyclopenta-1,3-diene ; pentamethylcyclopentadiene, min. 98%
Molecular Formula:	C10H16
Molecular Weight:	136.23
EINECS:	223-743-4

Verified providers in 2025

The following notable provider has been checked and can be recommended.

Junwee Chemical Co., Ltd.

Company type: Bulk chemical producer

Phone: +86-571-85808638
Telefax: +86-571-85808639
Country: P.R.China

Junwee Chemical is a well-established chemical distribution and manufacturing company. The company supplies organic and specialty chemicals to the customers in Europe and USA market. Through its trouble free, fast and efficient service, Junwee Chemical is poised for further growth and welcome your enquiry. Additionally Spiro[9H-fluorene-9,4'-piperidine]-1'-carboxylic acid, 2,7-dibromo-, 1,1-dimethylethyl ester is supplied by us.

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What other providers are available for CAS 4045-44-7?

The last intensive check and update was carried out on 2025/09/26.

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Synonyms:

pentamethylcyclopentadiene 98+% ; pentamethylcyclopentadiene ; 1,2,3,4,5-pentamethylcyclopentadiene for ; 1,2,3,4,5-pentamethylcyclopentadiene ; 1,2,3,4,5-pentamethylcyclopentadiene 95% ; cyclopentadiene, 1,2,3,4,5-pentamethyl- ; mcpt ; pentamethylcyclopentadiene,min.98% ; 1,2,3,4,5-pentamethylcyclopenta-1,3-diene ; pentamethylcyclopentadiene, min. 98%

CAS:

4045-44-7

EINECS:

223-743-4

Molecular Formula:

C10H16

MDL:

MFCD00001354

Properties

Molecular Weight:

136.23 g·mol−1

Density:

0.87 g/mL at 25 °C(lit.)

Boiling point:

58 °C13 mm Hg(lit.)

Flash point:

112 ºF

Physical Description:

clear colorless to yellowish liquid

Safety Information

Hazard Classes:

Risk Codes:

10 (R)

Safety Codes:

16 (S)

WGK Germany:

RID / ADR:

UN 3295 3 / PG 3

Storage temperature:

-20°C

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

CM Fine Chemicals

CM Fine Chemicals, being a privately owned Swiss company, has been manufacturing and providing fine chemicals, intermediates and reagents to all kind ... Request

What other providers are available for CAS 4045-44-7?

In addition to the providers presented here for 1,2,3,4,5-Pentamethyl-1,3-cyclopentadiene with the CAS number 4045-44-7, there are other 44 providers with slightly different product names available for this CAS number.

MCPT

Tianjin Zhongxin Chemtech Co., Ltd.

Pmcp

Simagchem Corporation

Pentamethylcyclopentadiene

Richman Chemical Inc., | Nantong Xindao Biotech Ltd +3 additional providers that we know from the past

1,2,3,4,5-Pentamethylcyclopentadiene