Terephthalic acid
对苯二甲酸
Also known as: 1,4-Benzenedicarboxylic acid, p-Phthalic acid, Benzene-1,4-dicarboxylic acid, PTA, Purified terephthalic acid, TPA, p-Benzenedicarboxylic acid, EINECS 202-830-0, MFCD00002558
- CAS No.
- 100-21-0
- Jingsj CID
- J-31602-2
- Molecular Formula
- C8H6O4
- Chinese Name
- 对苯二甲酸
- Molecular Weight
- 166.13100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300 °C |
|---|---|
| Boiling Point | 392.4ºC at 760 mmHg |
| Density | 1,51 g/cm3 |
| Flash Point | 260°C |
Frequently Asked Questions
What is the CAS number of Terephthalic acid?
100-21-0
What are the molecular formula and molecular weight of Terephthalic acid?
C8H6O4, molecular weight 166.13100 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026