3-Methylglutaric acid
Also known as: 3-Methylpentanedioic acid, beta-Methylglutaric acid, β-Methylglutaric acid, NSC 14870, Pentanedioic acid, 3-methyl-, 3-Methylpropane-1,3-dicarboxylic acid
3-Methylglutaric acid (CAS 626-51-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O4 and a molecular weight of 146.141 g/mol. Key properties include a melting point of 81-86 °C(lit.), a boiling point of 332.7±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 148.8±16.3 °C. 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.
- 626-51-7
- Jingsj CID
- J-19072-7
- Molecular Formula
- C6H10O4
- Molecular Weight
- 146.141 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 81-86 °C(lit.) |
|---|---|
| Boiling Point | 332.7±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 148.8±16.3 °C |
| Exact Mass | 146.057907 |
| PSA | 74.60000 |
| LogP | -0.69 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.474 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Barich DH, et al. 3-Methylglutaric acid as a 13C solid-state NMR standard. Solid State Nucl Magn Reson. 2006 Oct;30(3-4):125-9. |
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 3-Methylglutaric acid?
The CAS number of 3-Methylglutaric acid is 626-51-7.
What are the molecular formula and molecular weight of 3-Methylglutaric acid?
3-Methylglutaric acid has molecular formula C6H10O4 and molecular weight 146.141 g/mol.
Is 3-Methylglutaric acid hazardous?
3-Methylglutaric acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylglutaric acid (CAS 626-51-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19072-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.