Polybutylene terephthalate

聚对苯二甲酸丁二酯

Also known as: PBT, Poly(1,4-butylene terephthalate), Poly(oxy-1,4-butanediyloxycarbonyl-1,4-phenylenecarbonyl), Polytetramethylene terephthalate, PTMT, Poly(1,4-butanediol terephthalate), 1,4-Butylene terephthalate polymer

Polybutylene terephthalate (CAS 24968-12-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H16O6 and a molecular weight of 256.25200 g/mol. It is also known as PBT, Poly(1,4-butylene terephthalate) and Poly(oxy-1,4-butanediyloxycarbonyl-1,4-phenylenecarbonyl). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 24968-12-5
Jingsj CID: J-1966733-5
Molecular Formula: C₁₂H₁₆O₆
Chinese Name: 聚对苯二甲酸丁二酯
Molecular Weight: 256.25200 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Polybutylene terephthalate?

The CAS number of Polybutylene terephthalate is 24968-12-5.

What are the molecular formula and molecular weight of Polybutylene terephthalate?

Polybutylene terephthalate has molecular formula C12H16O6 and molecular weight 256.25200 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Polybutylene terephthalate (CAS 24968-12-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1966733-5 (accessed 2026-10-24).

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