298-12-4
Product Name:
Glyoxylic acid
Formula:
C2H2O3
Synonyms:
Formylformic acid;Oxoethanoic acid
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Supplied as a 50% aqueous solution. Colorless to straw yellow. (USCG, 1999) |
|---|---|
| Color/Form | Monoclinic crystals from water |
| Odor | Obnoxious odor |
| Melting Point | 98 °C |
| Solubility | Very soluble in water; slightly soluble in ethanol, ethyl ether, and benzene |
| Density | 1.342 (USCG, 1999) - Denser than water; will sink |
| Vapor Pressure | 1.06 [mmHg] |
| LogP | log Kow= -0.07 |
| Stability/Shelf Life | FORMS A SYRUP ON SHORT EXPOSURE TO AIR /GLYOXYLIC ACID HEMIHYDRATE/ |
| Decomposition | When heated to decomposition it emits acrid smoke and fumes. |
| Corrosivity | Corrosive |
| Dissociation Constants | 3.3 (at 25 °C) |
| Chemical Classes | Other Classes -> Organic Acids |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H290:Corrosive to Metals H317:Sensitisation, Skin H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P234:Keep only in original container. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 74.04 g/mol |
|---|---|
| XLogP3 | -0.3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 74.000393922 g/mol |
| Monoisotopic Mass | 74.000393922 g/mol |
| Topological Polar Surface Area | 54.4 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 55.9 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Supplied as a 50% aqueous solution. Colorless to straw yellow. (USCG, 1999)


