2,3,5,6-Tetrafluoroterephthalic acid
Also known as: Tetrafluoroterephthalic acid, 2,3,5,6-Tetrafluoro-1,4-benzenedicarboxylic acid, 1,4-Benzenedicarboxylic acid, 2,3,5,6-tetrafluoro-, 2,3,5,6-Tetrafluorobenzene-1,4-dicarboxylic acid, TETRAFLUOROBENZENE-1,4-DICARBOXYLIC ACID, TETRAFLUOROTEREPHTHALIC ACID, MFCD00012301, EINECS 211-489-7
2,3,5,6-Tetrafluoroterephthalic acid (CAS 652-36-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H2F4O4 and a molecular weight of 238.093 g/mol. Key properties include a melting point of 275-277 °C (dec.)(lit.), a boiling point of 337.9±42.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 158.1±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 652-36-8
- Jingsj CID
- J-1375670-2
- Molecular Formula
- C8H2F4O4
- Molecular Weight
- 238.093 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 275-277 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 337.9±42.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 158.1±27.9 °C |
| Exact Mass | 237.988922 |
| PSA | 74.60000 |
| LogP | 2.74 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.523 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 2,3,5,6-Tetrafluoroterephthalic acid?
The CAS number of 2,3,5,6-Tetrafluoroterephthalic acid is 652-36-8.
What are the molecular formula and molecular weight of 2,3,5,6-Tetrafluoroterephthalic acid?
2,3,5,6-Tetrafluoroterephthalic acid has molecular formula C8H2F4O4 and molecular weight 238.093 g/mol.
Which suppliers offer 2,3,5,6-Tetrafluoroterephthalic acid?
1 supplier(s) listed; request a quote for pricing.
Is 2,3,5,6-Tetrafluoroterephthalic acid hazardous?
2,3,5,6-Tetrafluoroterephthalic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2,3,5,6-Tetrafluoroterephthalic acid?
For 2,3,5,6-Tetrafluoroterephthalic acid, Upstream Products: Carbon dioxide, 1,2,4,5-Tetrafluorobenzene, 2,3,5,6-Tetrachloroterephthaloyl chloride; Downstream Products: 2,3,5,6-Tetrafluoro-1,4-benzenedimethanol, CYCLOPENTYL-HYDRAZINE DIHYDROCHLORIDE, 2,3,5,6-Tetrafluorobenzoic 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. "2,3,5,6-Tetrafluoroterephthalic acid (CAS 652-36-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1375670-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.