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Poly(4-methyl-1-pentene)

聚(4-甲基-1-戊烯)

Also known as: 4-METHYL-1-PENTENE POLYMER ATACTIC, 4-methyl-1-pentenhomopolymer, MFCD00084382, POLY(4-METHYL-1-PENTENE), POLY(4-METHYL-1-PENTENE) HIGH &, POLY(4-METHYL-1-PENTENE), LOW MOLECULAR WEIGHT, MELT INDEX 180, POLY(4-METHYL-1-PENTENE), MEDIUM MOLECUL AR WEIGHT, POLY(4-METHYLPENTENE-1)(ATACTIC), Poly(4-methyl-1-pentene), high molecular weight

Poly(4-methyl-1-pentene) (CAS 25068-26-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula (CH2CH[CH2CH(CH3)2])n and a molecular weight of 84.15948 g/mol. It is also known as 4-METHYL-1-PENTENE POLYMER ATACTIC, 4-methyl-1-pentenhomopolymer and MFCD00084382. Key properties include a melting point of 240 °C and a density of 0.835 g/mL at 25 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25068-26-2
Jingsj CID
J-51376-2
Molecular Formula
(CH2CHCH2CH(CH3)2)n
Chinese Name
聚(4-甲基-1-戊烯)
Molecular Weight
84.15948 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point240 °C
Density0.835 g/mL at 25 °C

Frequently Asked Questions

What is the CAS number of Poly(4-methyl-1-pentene)?

The CAS number of Poly(4-methyl-1-pentene) is 25068-26-2.

What are the molecular formula and molecular weight of Poly(4-methyl-1-pentene)?

Poly(4-methyl-1-pentene) has molecular formula (CH2CH[CH2CH(CH3)2])n and molecular weight 84.15948 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Poly(4-methyl-1-pentene) (CAS 25068-26-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-51376-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.