Potassium monomethyl terephthalate
Also known as: Potassium 4-(methoxycarbonyl)benzoate, Potassium methyl terephthalate, Terephthalic acid monomethyl ester potassium salt, Terephthalic acid 1-methyl 4-potassium salt, 1,4-Benzenedicarboxylic acid, monomethyl ester, potassium salt, 1,4-Benzenedicarboxylic acid, monomethyl ester, potassium salt (1:1)
Potassium monomethyl terephthalate (CAS 42967-55-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H7KO4 and a molecular weight of 218.248 g/mol. Key properties include a boiling point of 331.6ºC at 760mmHg and a flash point of 136ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42967-55-5
- Jingsj CID
- J-45451-3
- Molecular Formula
- C9H7KO4
- Molecular Weight
- 218.248 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 331.6ºC at 760mmHg |
|---|---|
| Flash Point | 136ºC |
| Exact Mass | 217.998138 |
| PSA | 66.43000 |
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Potassium monomethyl terephthalate?
The CAS number of Potassium monomethyl terephthalate is 42967-55-5.
What are the molecular formula and molecular weight of Potassium monomethyl terephthalate?
Potassium monomethyl terephthalate has molecular formula C9H7KO4 and molecular weight 218.248 g/mol.
What are the upstream and downstream products of Potassium monomethyl terephthalate?
For Potassium monomethyl terephthalate, Upstream Products: Dimethyl terephthalate; Downstream Products: Methyl 4-(chlorocarbonyl)benzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Potassium monomethyl terephthalate (CAS 42967-55-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45451-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.