English 
搜索
Chemical Identification
Common Name
Formaldehyde
中文通用名
甲醛
IUPAC
formaldehyde
CAS
formaldehyde
CAS No.
50-00-0
Molecular Formula
CH2O
Molecular Structure
Physical Properties
Molecular weight:30.0; Physical form:Colourless, flammable gas, with a pungent odour. Formalin is a colourless liquid, with a pungent odour. Density:0.815 (-20 °C); 1.081-1.085 (25 °C, formalin); Melting point:-92 °C; Flash point:Flammable; Solubility:In water 55%. Miscible with acetone, alcohols, and ethers. Formalin miscible with water, acetone, ethanol.; Stability:Highly chemically-reactive. Polymerised in aqueous solution to trioxymethylene (retarded by the addition of methanol). Sensitive to light. Powerful reducing agent.;
Toxicology
Oral:Acute oral LD50 for rats 550-800 mg/ kg (formalin). Percutaneous:Acute percutaneous LD50 for rabbits 270 mg/ kg (formalin). Absorbed through the skin. Inhalation: LC50 for rats (0.5 h) 0.82 mg/l, (4 h) 0.48 mg/l; for mice (4 h) 0.414 mg/l; formaldehyde vapour is very irritating to the mucous membranes and toxic to animals, including man. Phytotoxicity:Extremely phytotoxic.
Environmental Profile
Ecotoxicology: F
ish:Toxic to fish. 

Environmental fate: 
Soil:In the presence of air, formaldehyde is oxidised to formic acid.
Transport Information
Hazard Class:O (Obsolete as pesticide, not classified)

Porduct NewsMore

Colombia’s Constitutional Court bans chlorpyrifos

Chlorpyrifos

ADAMA Canada moves forward with lambda-cyhalothrin sales for 2023

Lambda-cyhalothrin

Copper formulations' market still underestimated: Chinese self-developed Thiazoles is tapping potential of global market

Copper fungicides

Mexico: Import of glyphosate drops from 16,500 tons to 8,200 tons

Glyphosate

Glyphosate to gain temporarily one year approval in EU without support of qualified majority of Member States

Glyphosate

Glyphosate prices drop 30% in Argentina

Glyphosate

One year extension of EU glyphosate approval failed to pass in the latest meeting

Glyphosate

Palmer amaranth in two southern U.S. states now resistant to S-metolachlor

S-metolachlor

FMC introduces Altacor EVO insect control, new management solution for lepidopteran pests

Chlorantraniliprole

Paraquat prices rise, pyridine base industry analysis

Paraquat

Related CompaniesMore