Methylmalonic acid-d3
Also known as: (2H3)Methylmalonic acid, Methyl-d3-propanedioic acid, 2-(methyl-d3)propanedioic acid, 2-Methyl-d3-malonic acid, Methyl-d3-malonic acid, Isosuccinic acid-d3, NSC 2520-d3
Methylmalonic acid-d3 (CAS 42522-59-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H3D3O4 and a molecular weight of 121.106 g/mol. Key properties include a melting point of 134-136ºC(lit.), a boiling point of 334.4±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 170.2±19.7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42522-59-8
- Jingsj CID
- J-13293-4
- Molecular Formula
- C4H3D3O4
- Molecular Weight
- 121.106 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 134-136ºC(lit.) |
|---|---|
| Boiling Point | 334.4±25.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 170.2±19.7 °C |
| Exact Mass | 121.045441 |
| PSA | 74.60000 |
| LogP | -0.21 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.474 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H319 — Causes serious eye irritation
Frequently Asked Questions
What is the CAS number of Methylmalonic acid-d3?
The CAS number of Methylmalonic acid-d3 is 42522-59-8.
What are the molecular formula and molecular weight of Methylmalonic acid-d3?
Methylmalonic acid-d3 has molecular formula C4H3D3O4 and molecular weight 121.106 g/mol.
Is Methylmalonic acid-d3 hazardous?
Methylmalonic acid-d3 has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
What are the upstream and downstream products of Methylmalonic acid-d3?
For Methylmalonic acid-d3, Downstream Products: Propanoic acid-d3.
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-d3 (CAS 42522-59-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13293-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.