- H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H226: Flammable liquid and vapor [Warning Flammable liquids]
- H226 (21.1%): Flammable liquid and vapor [Warning Flammable liquids]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H331 (17.9%): Toxic if inhaled [Danger Acute toxicity, inhalation]
- 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]
- H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H290: May be corrosive to metals [Warning Corrosive to Metals]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H302 (18.3%): Harmful if swallowed [Warning Acute toxicity, oral]
- H314 (99.7%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H318 (19.2%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
| CAS Number | 64-18-6 |
| IUPAC Name | formic acid |
| InChI Key | BDAGIHXWWSANSR-UHFFFAOYSA-N |
| PubChem CID | 284 |
| INCI Name | FORMIC ACID |
Formic Acid (CAS 64-18-6) is a simple carboxylic acid with the molecular formula CH2O2, supplied as a colorless liquid with a density of 1.22 at 68°F. This chemical functions as a pH adjustment agent in textile manufacturing applications. Formic acid is highly soluble in water and requires careful handling due to its corrosive, flammable, and toxic properties.