Oxalic acid
Also known as: Aktisal, Aquisal, BETZ 0295, DeerClean, EINECS 205-634-3, Ethanedioic acid, HOOCCOOH, MFCD00002573, Oxaalzuur, ethane-1,2-dioic acid, oxalic
Oxalic acid (CAS 144-62-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H2O4 and a molecular weight of 90.035 g/mol. Key properties include a melting point of 189.5 °C (dec.)(lit.), a boiling point of 365.1±25.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 188.8±19.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 144-62-7
- Jingsj CID
- J-1577069-5
- Molecular Formula
- C2H2O4
- Molecular Weight
- 90.035 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 189.5 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 365.1±25.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 188.8±19.7 °C |
| Exact Mass | 89.995308 |
| PSA | 74.60000 |
| LogP | -1.19 |
| Additional Property | 4.4 (vs air) |
| Vapor Pressure | 0.0±1.7 mmHg at 25°C |
| Refractive Index | 1.480 |
| Additional Property | 90 g/L (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H318 — Causes serious eye damage
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Cessna SG, et al. Oxalic acid, a pathogenicity factor for Sclerotinia sclerotiorum, suppresses the oxidative burst of the host plant. Plant Cell. 2000 Nov;12(11):2191-200. |
Customs & Trade Information
| HS Code | 2917111000 |
|---|
Frequently Asked Questions
What is the CAS number of Oxalic acid?
The CAS number of Oxalic acid is 144-62-7.
What are the molecular formula and molecular weight of Oxalic acid?
Oxalic acid has molecular formula C2H2O4 and molecular weight 90.035 g/mol.
Is Oxalic acid hazardous?
Oxalic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H318 — Causes serious eye damage.
What are the upstream and downstream products of Oxalic acid?
For Oxalic acid, Upstream Products: Oxalic acid dihydrate; Downstream Products: 2,3-DIMETHYL-2-PENTENE, L-Ascorbic acid, Glyoxime.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Oxalic acid (CAS 144-62-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1577069-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.