2-methylidenepentanedioic acid
Also known as: 2-Methyleneglutaric acid, 2-Methylene glutaric acid, 2-Methyleneglutarate, Pentanedioic acid, 2-methylene-, Pentanedioic acid,2-methylene-, 2-methyl ene-pentanedioic acid, 2-METHYLENE-PENTANEDIOIC ACID, 1-Butene-2,4-dicarboxylic acid, alpha-methylene glutarate, methyleneglutaric acid, NSC-21369, RARECHEM AL BO 0087
2-methylidenepentanedioic acid (CAS 3621-79-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O4 and a molecular weight of 144.12500 g/mol. Key properties include a boiling point of 387.3ºC at 760mmHg, a density of 1.29g/cm3 and a flash point of 202.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3621-79-2
- Jingsj CID
- J-1161720-2
- Molecular Formula
- C6H8O4
- Molecular Weight
- 144.12500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 387.3ºC at 760mmHg |
|---|---|
| Density | 1.29g/cm3 |
| Flash Point | 202.2ºC |
| Exact Mass | 144.04200 |
| PSA | 74.60000 |
| LogP | 0.49200 |
| Refractive Index | 1.494 |
Customs & Trade Information
| HS Code | 2917190090 |
|---|---|
| Summary | 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-methylidenepentanedioic acid?
The CAS number of 2-methylidenepentanedioic acid is 3621-79-2.
What are the molecular formula and molecular weight of 2-methylidenepentanedioic acid?
2-methylidenepentanedioic acid has molecular formula C6H8O4 and molecular weight 144.12500 g/mol.
What are the upstream and downstream products of 2-methylidenepentanedioic acid?
For 2-methylidenepentanedioic acid, Upstream Products: Dimethyl 2-methylenepentanedioate, Formaldehyde, Diethyl malonate; Downstream Products: 2-Methylglutaric acid, Succinic 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-methylidenepentanedioic acid (CAS 3621-79-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1161720-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.