Glyoxylic acid monohydrate
Also known as: Glyoxylic acid monohydrate, Formylformic acid, Oxoethanoic acid, Dihydroxyacetic acid, 2-Oxoacetic acid hydrate, Oxoacetic acid hydrate (1:1), Acetic acid, 2-oxo-, hydrate (1:1), oxaldehydic acid, hydrate
Glyoxylic acid monohydrate (CAS 563-96-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H4O4 and a molecular weight of 92.051 g/mol. Key properties include a melting point of 48-52ºC, a boiling point of 100ºC, a density of 1.33 g/mL at 20ºC and a flash point of >110ºC. It is classified under GHS with signal word Danger and hazard statements H317 — May cause an allergic skin reaction and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 563-96-2
- Jingsj CID
- J-31982-4
- Molecular Formula
- C2H4O4
- Molecular Weight
- 92.051 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 48-52ºC |
|---|---|
| Boiling Point | 100ºC |
| Density | 1.33 g/mL at 20ºC |
| Flash Point | >110ºC |
| Exact Mass | 92.010956 |
| PSA | 63.60000 |
| Refractive Index | n20/D 1.414 |
| Additional Property | H2O: 0.1 g/mL, clear | Freely soluble |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
- H318 — Causes serious eye damage
Frequently Asked Questions
What is the CAS number of Glyoxylic acid monohydrate?
The CAS number of Glyoxylic acid monohydrate is 563-96-2.
What are the molecular formula and molecular weight of Glyoxylic acid monohydrate?
Glyoxylic acid monohydrate has molecular formula C2H4O4 and molecular weight 92.051 g/mol.
Is Glyoxylic acid monohydrate hazardous?
Glyoxylic acid monohydrate has GHS signal word Danger and hazard statements H317 — May cause an allergic skin reaction; H318 — Causes serious eye damage.
What are the upstream and downstream products of Glyoxylic acid monohydrate?
For Glyoxylic acid monohydrate, Upstream Products: Glyoxylic acid, Water; Downstream Products: 5-hydroxy-4-methylfuran-2(5H)-one, Methyl 2-oxoacetate, Ethyl glyoxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Glyoxylic acid monohydrate (CAS 563-96-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31982-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.