Functional Roles
Industries Served
Physical Properties
melting_point
372 u00b0F (Decomposes) (NTP, 1992)
boiling_point
Sublimes (NIOSH, 2024)
density
1.9 at 59 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
50 to 100 mg/mL at 75 u00b0F (NTP, 1992)
vapor_pressure
0.001 mmHg at 68 u00b0F (NTP, 1992)
GHS / SDS Safety
Danger
Irritant
Health Hazard
Corrosive
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H312 (99.7%): Harmful in contact with skin [Warning Acute toxicity, dermal]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
- H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H312: Harmful in contact with skin [Warning Acute toxicity, dermal]
- H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H302 (99.8%): Harmful if swallowed [Warning Acute toxicity, oral]
- H318 (31.1%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
| CAS Number | 144-62-7 |
| IUPAC Name | oxalic acid |
| InChI Key | MUBZPKHOEPUJKR-UHFFFAOYSA-N |
| PubChem CID | 971 |
| INCI Name | OXALIC ACID |
Synonyms & Trade Names
Full Description
Oxalic acid is a dicarboxylic acid (C2H2O4) that functions as a pH adjustment agent in industrial applications. This crystalline solid is utilized in pharmaceutical and textile manufacturing processes where precise pH control is required. The compound has a molecular weight of 90.03 and exhibits high water solubility at standard operating temperatures.