2,5-difluoroterephthalic acid
Also known as: 1,4-Benzenedicarboxylic acid, 2,5-difluoro-, 2,5-difluoro-1,4-benzenedicarboxylic acid, 2,5-difluorobenzene-1,4-dicarboxylic acid, 2,5-difluoroterephthalicaci, 2.5-Difluor-terephthalsaeure, EINECS 211-508-9
2,5-difluoroterephthalic acid (CAS 655-14-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4F2O4 and a molecular weight of 202.11200 g/mol. Key properties include a boiling point of 370.1ºC at 760 mmHg, a density of 1.644g/cm3 and a flash point of 177.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 655-14-1
- Jingsj CID
- J-1025876-1
- Molecular Formula
- C8H4F2O4
- Molecular Weight
- 202.11200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 370.1ºC at 760 mmHg |
|---|---|
| Density | 1.644g/cm3 |
| Flash Point | 177.6ºC |
| Exact Mass | 202.00800 |
| PSA | 74.60000 |
| LogP | 1.36120 |
| Refractive Index | 1.566 |
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,5-difluoroterephthalic acid?
The CAS number of 2,5-difluoroterephthalic acid is 655-14-1.
What are the molecular formula and molecular weight of 2,5-difluoroterephthalic acid?
2,5-difluoroterephthalic acid has molecular formula C8H4F2O4 and molecular weight 202.11200 g/mol.
What are the upstream and downstream products of 2,5-difluoroterephthalic acid?
For 2,5-difluoroterephthalic acid, Upstream Products: CYCLOPENTYL-HYDRAZINE DIHYDROCHLORIDE, Carbon dioxide, 4-Bromo-2,5-difluorobenzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-difluoroterephthalic acid (CAS 655-14-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1025876-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.