Creosote
CAS Number: 8001-58-9
Sources of exposure:
Pressure-treated railroad ties, utility poles, industrial wood preservatives, contaminated soil, and contact with historically treated wood
Description:
Coal-tar creosote is a complex mixture of chemicals derived from coal tar and used primarily as an industrial wood preservative. It helps protect wood from insects, fungi, and decay and has been widely used to treat railroad ties and utility poles. Exposure may occur through contact with treated wood or contaminated soil and through emissions associated with industrial treatment processes.
Health concerns:
Cancer
Known or suspected to increase cancer risk in humans.
Reproductive Toxicity
May alter hormone function and harm reproduction.
Genotoxicity
May cause mutations or damage DNA in cells.
Neurotoxicity
May impact brain function or development.
Immunotoxicity & Allergens
May impact immune system function or cause allergic reactions.
Irritant
May cause skin, eye, or respiratory irritation.
Ecotoxicity
May be toxic to ecosystems and wildlife.
Banned/restricted lists:
- EU Cosmetics Regulation Annex II - Prohibited
- Health Canada Cosmetic Ingredient Hotlist - Prohibited
- REACH Annex XVII - Restrictions - Restricted under specified conditions
References
- California Department of Public Health. California Safe Cosmetics Reportable Ingredients List. US National Library of Medicine. PubChem database.