![Molecular structure of [(CH2)4OOCC6H4COO]n](/images/chem_structures_svg/325/26062-94-2.svg)
Poly(butylene terephthalate)
聚对苯二甲酸丁二醇酯
Also known as: Polybutylene terephthalate, PBT, Poly(1,4-butylene terephthalate)
Poly(butylene terephthalate) (CAS 26062-94-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula [(CH2)4OOCC6H4COO]n and a molecular weight of 256.254 g/mol. It is also known as Polybutylene terephthalate, PBT and Poly(1,4-butylene terephthalate). Key properties include a melting point of 226 °C and a density of 1.31g/mLat 25°C(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 26062-94-2
- Jingsj CID
- J-51415-6
- Molecular Formula
- (CH2)4OOCC6H4COOn
- Chinese Name
- 聚对苯二甲酸丁二醇酯
- Molecular Weight
- 256.254 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 226 °C |
|---|---|
| Density | 1.31g/mLat 25°C(lit.) |
Frequently Asked Questions
What is the CAS number of Poly(butylene terephthalate)?
The CAS number of Poly(butylene terephthalate) is 26062-94-2.
What are the molecular formula and molecular weight of Poly(butylene terephthalate)?
Poly(butylene terephthalate) has molecular formula [(CH2)4OOCC6H4COO]n and molecular weight 256.254 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Poly(butylene terephthalate) (CAS 26062-94-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-51415-6 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.