4,5-dimethyl-2-furoic acid
4,5-二甲基-2-呋喃甲酸
Also known as: 4,5-dimethylfuran-2-carboxylic acid, 4,5-dimethyl-2-furancarboxylic acid, 2,3-dimethylfuran-5-carboxylic acid, 2,3-DIMETHYLFURAN-5-CARBOXYLIC ACID, 2-Furancarboxylic acid, 4,5-dimethyl-, 4,5-Dimethyl-furan-2-carbonsaeure, 4,5-dimethylfuran-2-carboxylic acid, 4,5-dimethylfurancarboxylic acid, MFCD00085031, RARECHEM AL BE 0335
4,5-dimethyl-2-furoic acid (CAS 89639-83-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8O3 and a molecular weight of 140.13700 g/mol. It is also known as 4,5-dimethylfuran-2-carboxylic acid, 4,5-dimethyl-2-furancarboxylic acid and 2,3-dimethylfuran-5-carboxylic acid. Key properties include a melting point of 146-148°C, a boiling point of 254.6ºC at 760 mmHg, a density of 1.194g/cm3 and a flash point of 107.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 89639-83-8
- Jingsj CID
- J-26948-9
- Molecular Formula
- C7H8O3
- Chinese Name
- 4,5-二甲基-2-呋喃甲酸
- Molecular Weight
- 140.13700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 146-148°C |
|---|---|
| Boiling Point | 254.6ºC at 760 mmHg |
| Density | 1.194g/cm3 |
| Flash Point | 107.8ºC |
Frequently Asked Questions
What is the CAS number of 4,5-dimethyl-2-furoic acid?
The CAS number of 4,5-dimethyl-2-furoic acid is 89639-83-8.
What are the molecular formula and molecular weight of 4,5-dimethyl-2-furoic acid?
4,5-dimethyl-2-furoic acid has molecular formula C7H8O3 and molecular weight 140.13700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-dimethyl-2-furoic acid (CAS 89639-83-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26948-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.