Formaldehyde is numbered 830 12 in the Catalogue of Hazardous Chemicals, which belongs to 8 categories and 3 hazardous chemicals.
The health hazards of formaldehyde mainly include the following aspects:
A. irritation: the main harm of formaldehyde is irritation to skin and mucosa. Formaldehyde is a toxic substance in protoplasm, which can combine with protein. Inhalation of high concentration will cause severe irritation and edema of respiratory tract, eye irritation and headache.
B. Sensitization: Direct skin contact with formaldehyde can cause allergic dermatitis, pigmentation and necrosis, and inhalation of high concentration formaldehyde can induce bronchial asthma.
C. Mutagenesis: High concentration of formaldehyde is still a genotoxic substance. Experimental animals can cause nasopharyngeal tumors under the condition of high concentration inhalation in laboratory.
D, outstanding manifestations: headache, dizziness, fatigue, nausea, vomiting, chest tightness, eye pain, sore throat, loss of appetite, palpitation, insomnia, weight loss, memory loss, autonomic nervous disorder. Long-term inhalation by pregnant women may lead to fetal malformation or even death; Long-term inhalation by men will lead to male sperm deformity and death.
Extended data
Formaldehyde source
1, all kinds of phenolic resin glue wood-based panels are used as decorative materials such as wallboard and ceiling, such as plywood, blockboard, fiberboard and particleboard.
2. Decorative materials that contain formaldehyde and may be emitted to the outside world, such as wall covering, wallpaper, paint and painted pipes.
3. Indoor furnishings and daily necessities that may emit formaldehyde, such as furniture, chemical fiber carpets, foam plastics, etc.
4. Some substances that emit formaldehyde after burning, such as cigarettes and some organic substances.
Some perfumes and mosquito killing liquids also contain formaldehyde.
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