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Poly(isobutylene-co-maleic acid) sodium salt

异丁烯、马来酸的共聚物钠盐

Also known as: 2,5-Furandione, polymer with 2-methyl-1-propene, sodium salt, Sodium isobutylene-maleic acid copolymer, POLY(ISOBUTYLENE-CO-MALEIC ACID) SODIUM SALT, Poly(isobutylene-alt-maleic acid) sodium salt, MFCD00192411

Poly(isobutylene-co-maleic acid) sodium salt (CAS 39612-00-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula (C4H8)x(C4H4O4)y·xNa and a molecular weight of 154.165 g/mol. It is also known as 2,5-Furandione, polymer with 2-methyl-1-propene, sodium salt, Sodium isobutylene-maleic acid copolymer and POLY(ISOBUTYLENE-CO-MALEIC ACID) SODIUM SALT. Key properties include a melting point of >300 °C and a density of 1.3 g/mL at 25 °C(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
39612-00-5
Jingsj CID
J-50786-6
Molecular Formula
(C4H8)x(C4H4O4)yxNa
Chinese Name
异丁烯、马来酸的共聚物钠盐
Molecular Weight
154.165 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>300 °C
Density1.3 g/mL at 25 °C(lit.)

Frequently Asked Questions

What is the CAS number of Poly(isobutylene-co-maleic acid) sodium salt?

The CAS number of Poly(isobutylene-co-maleic acid) sodium salt is 39612-00-5.

What are the molecular formula and molecular weight of Poly(isobutylene-co-maleic acid) sodium salt?

Poly(isobutylene-co-maleic acid) sodium salt has molecular formula (C4H8)x(C4H4O4)y·xNa and molecular weight 154.165 g/mol.

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

Last updated:

How to cite: Jingsj. "Poly(isobutylene-co-maleic acid) sodium salt (CAS 39612-00-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50786-6 (accessed 2026-10-23).

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