Methylmalonic acid
Also known as: 2-Methylpropanedioic acid, Isosuccinic acid, 2-Methylmalonic acid, 1,1-Ethanedicarboxylic acid, Malonic acid, methyl-, Methylpropanedioic acid, Propanedioic acid, 2-methyl-
Methylmalonic acid (CAS 516-05-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H6O4 and a molecular weight of 118.088 g/mol. Key properties include a melting point of 129-136 ºC, a boiling point of 334.4±25.0 °C at 760 mmHg, a density of 1.45 and a flash point of 170.2±19.7 °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.
- 516-05-2
- Jingsj CID
- J-47395-0
- Molecular Formula
- C4H6O4
- Molecular Weight
- 118.088 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 129-136 ºC |
|---|---|
| Boiling Point | 334.4±25.0 °C at 760 mmHg |
| Density | 1.45 |
| Flash Point | 170.2±19.7 °C |
| Exact Mass | 118.026611 |
| PSA | 74.60000 |
| LogP | -0.21 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.474 |
| Additional Property | soluble |
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]. Vashi P, et al. Methylmalonic Acid and Homocysteine as Indicators of Vitamin B-12 Deficiency in Cancer. PLoS One. 2016 Jan 25;11(1):e0147843. |
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 Methylmalonic acid?
The CAS number of Methylmalonic acid is 516-05-2.
What are the molecular formula and molecular weight of Methylmalonic acid?
Methylmalonic acid has molecular formula C4H6O4 and molecular weight 118.088 g/mol.
Is Methylmalonic acid hazardous?
Methylmalonic 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. "Methylmalonic acid (CAS 516-05-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47395-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.