Functional Roles
Industries Served
Physical Properties
melting_point
-134 u00b0F (NIOSH, 2024)
boiling_point
-6 u00b0F at 760 mmHg (NIOSH, 2024)
density
0.815 at -4 u00b0F anhydrous form (EPA, 1998) - Less dense than water; will float
solubility
Miscible (NIOSH, 2024)
vapor_pressure
greater than 1 atm (NIOSH, 2024)
flash_point
140 u00b0F for 40% solution (EPA, 1998)
ph
pH: 2.8 to 4.0 /Formaldehyde soln/
GHS / SDS Safety
Danger
Acute Toxic
Flammable
Irritant
Health Hazard
Compressed Gas
Corrosive
- H350: May cause cancer [Danger Carcinogenicity]
- H341 (19%): Suspected of causing genetic defects [Warning Germ cell mutagenicity]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H350i: May cause cancer by inhalation [Danger Carcinogenicity]
- H351 (64.1%): Suspected of causing cancer [Warning Carcinogenicity]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H318 (48.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H280: Contains gas under pressure; may explode if heated [Warning Gases under pressure]
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
- H311: Toxic in contact with skin [Danger Acute toxicity, dermal]
- H311 (83.1%): Toxic in contact with skin [Danger Acute toxicity, dermal]
- H350 (19%): May cause cancer [Danger Carcinogenicity]
- H330: Fatal if inhaled [Danger Acute toxicity, inhalation]
- H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H314 (83.1%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H331 (77.6%): Toxic if inhaled [Danger Acute toxicity, inhalation]
- H330 (14%): Fatal if inhaled [Danger Acute toxicity, inhalation]
- H227: Combustible liquid [Warning Flammable liquids]
- H220: Extremely flammable gas [Danger Flammable gases]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
- H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]
- H301 (83.1%): Toxic if swallowed [Danger Acute toxicity, oral]
- H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H301: Toxic if swallowed [Danger Acute toxicity, oral]
- H317 (90.5%): May cause an allergic skin reaction [Warning Sensitization, Skin]
Chemical Identity
| CAS Number | 50-00-0 |
| IUPAC Name | formaldehyde |
| InChI Key | WSFSSNUMVMOOMR-UHFFFAOYSA-N |
| PubChem CID | 712 |
| INCI Name | FORMALDEHYDE |
Synonyms & Trade Names
Full Description
Formaldehyde (CAS 50-00-0) is an aldehyde compound that provides biocidal activity and preservation functionality in industrial applications. This chemical serves critical roles in HI&I cleaning, industrial manufacturing, oil & gas, and water treatment industries where antimicrobial efficacy and material preservation are required. With a molecular weight of 30.026 and miscible solubility characteristics, formaldehyde offers reliable performance in demanding industrial environments.