Acids & Salts Available to Source

Formic Acid

CAS 64-18-6 · MF CH2O2 · MW 46.025 g/mol · UN 1779 (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…

SDS / TDS Download
CAS Number
64-18-6
Molecular Formula
CH2O2
Molecular Weight
46.025 g/mol
Material Family
Acids & Salts
Functional Roles
Industries Served
Physical Properties
melting_point
47.1 u00b0F (NTP, 1992)
boiling_point
213.3 u00b0F at 760 mmHg (NTP, 1992)
density
1.22 at 68 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
greater than or equal to 100 mg/mL at 70 u00b0F (NTP, 1992)
vapor_pressure
35 mmHg at 68 u00b0F ; 200 mmHg at 142.5 u00b0F (NTP, 1992)
flash_point
156 u00b0F (NTP, 1992)
GHS / SDS Safety Danger
Acute Toxic Flammable Irritant Health Hazard Corrosive
  • 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]
Chemical Identity
CAS Number64-18-6
IUPAC Nameformic acid
InChI KeyBDAGIHXWWSANSR-UHFFFAOYSA-N
PubChem CID 284
INCI NameFORMIC ACID
Synonyms & Trade Names
formic acid Methanoic acid Formylic acid Aminic acid Bilorin Hydrogen carboxylic acid Formisoton Formira Myrmicyl Collo-bueglatt Collo-didax Acide formique Add-F Ameisensaeure C1 acid
Full Description

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.