2,3,5,6-tetramethylterephthalic acid
Also known as: 1,4-Benzenedicarboxylic acid, 2,3,5,6-tetramethyl-, TETRAMETHYLTEREPHTHALIC ACID, tetramethylterephthalic acid, 2,3,5,6-tetramethyl-1,4-benzenedicarboxylic acid, 2,3,5,6-tetramethylbenzene-1,4-dicarboxylic acid, DK7271
2,3,5,6-tetramethylterephthalic acid (CAS 14458-05-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14O4 and a molecular weight of 222.23700 g/mol. Key properties include a boiling point of 402.6ºC at 760mmHg, a density of 1.237g/cm3 and a flash point of 211.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14458-05-0
- Jingsj CID
- J-13011-0
- Molecular Formula
- C12H14O4
- Molecular Weight
- 222.23700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 402.6ºC at 760mmHg |
|---|---|
| Density | 1.237g/cm3 |
| Flash Point | 211.4ºC |
| Exact Mass | 222.08900 |
| PSA | 74.60000 |
| LogP | 2.31660 |
| Vapor Pressure | 3.33E-07mmHg at 25°C |
| Refractive Index | 1.575 |
Customs & Trade Information
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,3,5,6-tetramethylterephthalic acid?
The CAS number of 2,3,5,6-tetramethylterephthalic acid is 14458-05-0.
What are the molecular formula and molecular weight of 2,3,5,6-tetramethylterephthalic acid?
2,3,5,6-tetramethylterephthalic acid has molecular formula C12H14O4 and molecular weight 222.23700 g/mol.
What are the upstream and downstream products of 2,3,5,6-tetramethylterephthalic acid?
For 2,3,5,6-tetramethylterephthalic acid, Upstream Products: Carbon dioxide, Potassium benzoate, 2,2-Dimethylvaleroyl chloride.
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-tetramethylterephthalic acid (CAS 14458-05-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13011-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.