2,5-Dimethyl-3-furoic acid
Also known as: 2,5-Dimethylfuran-3-carboxylic acid, 2,5-Dimethyl-3-furancarboxylic acid, Pyrotritaric acid, 2,5-Dimethyl-3-furanoic acid, 2,5-Dimethyl-3-fuoric acid
2,5-Dimethyl-3-furoic acid (CAS 636-44-2) 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. Key properties include a melting point of 137-140 °C(lit.), a boiling point of 240.6ºC at 760 mmHg, a density of 1.194 g/cm3 and a flash point of 99.3ºC. 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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 636-44-2
- Jingsj CID
- J-45127-4
- Molecular Formula
- C7H8O3
- 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 | 137-140 °C(lit.) |
|---|---|
| Boiling Point | 240.6ºC at 760 mmHg |
| Density | 1.194 g/cm3 |
| Flash Point | 99.3ºC |
| Exact Mass | 140.04700 |
| PSA | 50.44000 |
| LogP | 1.59460 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2932190090 |
|---|---|
| Summary | 2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2,5-Dimethyl-3-furoic acid?
The CAS number of 2,5-Dimethyl-3-furoic acid is 636-44-2.
What are the molecular formula and molecular weight of 2,5-Dimethyl-3-furoic acid?
2,5-Dimethyl-3-furoic acid has molecular formula C7H8O3 and molecular weight 140.13700 g/mol.
Is 2,5-Dimethyl-3-furoic acid hazardous?
2,5-Dimethyl-3-furoic 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 2,5-Dimethyl-3-furoic acid?
For 2,5-Dimethyl-3-furoic acid, Upstream Products: Ethyl 2,5-dimethyl-3-furoate, Pyruvic acid, 3-Acetyl-2,5-dimethylfuran; Downstream Products: 2,5-Dimethylfuran-3-carbonyl chloride, 2,5-Hexanedione, 2,5-Dimethylfuran.
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-Dimethyl-3-furoic acid (CAS 636-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45127-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.