Skip Navigation

---

Search as

Browse Haz-Map

Agent Name Ethyl benzene CAS Number 100-41-4 Formula C8-H10 Major Category Solvents Synonyms Ethylbenzene; Ethylbenzol; Phenylethane; Ethylbenzol; [ChemIDplus] UN1175 Category Aromatic Solvents Description Colorless liquid with an aromatic odor; [NIOSH] Sources/Uses Used as a solvent and an intermediate in the production of styrene; [ACGIH] Used as a solvent for resins and coatings; [HSDB] Comments Liquid causes first degree burns on short exposure. [CHRIS] Mild liver toxicity observed in animal inhalation studies; When exposed at 1000 ppm, humans have profuse lacrimation. [ACGIH] Reference Link ATSDR ToxFAQs - Ethylbenzene Exposure Assessment BEI Sum of Mandelic and Phenylglyoxylic acids in urine = 0.7 g/g creatinine; end of shift at end of workweek; screen for Ethyl benzene in end-exhaled air; Skin Designation (ACGIH) No TLV (ACGIH) 100 ppm STEL (ACGIH) 125 ppm PEL (OSHA) 100 ppm IDLH (NIOSH) 800 ppm Excerpts from Documentation for IDLHs Human data: Dizziness was caused in one volunteer after a 5�minute exposure to 2,000 ppm [Yant et al. 1930]. Vapor Pressure 9.6 mm Hg Odor Threshold Low 0.09 ppm Odor Threshold High 0.6 ppm RD50 1430 ppm Lethal Concentration LCLo (rats) = 4,000 ppm/4H Explanatory Notes IDLH = 10% LEL (lower explosive limit); Odor threshold from AIHA; Flash point = 12.8 deg C; Half Life Whole body: biphasic with initial of 3.1 hours and slower phase of 25 hours; [TDR, p. 631] Reference Link International Chemical Safety Cards (WHO/IPCS/ILO) Flammability (NFPA) 3: may ignite at ambient temperature Adverse Effects Dermatotoxin Skin Burns Neurotoxin CNS Solvent Syndrome Hepatotoxin Hepatotoxin, Secondary IARC Carcinogen Possible Carcinogen Links to Other NLM Databases Health Studies Human Health Effects from Hazardous Substances Data Bank: ETHYLBENZENE   Toxicity Information Search TOXNET Chemical Information Search ChemIDplus Biomedical References Search PubMed Related Information in Haz-Map Diseases Occupational diseases associated with exposure to this agent: Encephalopathy, chronic solvent Solvents, acute toxic effect Processes Industrial Processes with risk of exposure: Painting (Solvents) Plastic Composites Manufacturing

---

Specialized Information Services   U.S. National Library of Medicine,
8600 Rockville Pike, Bethesda, MD 20894
National Institutes of Health
Privacy/Disclaimer Notice
Customer Service: tehip@teh.nlm.nih.gov
Last updated: January, 2009