Identification

Namestyrene oxide
CAS Number96-09-3
EINECS202-476-7
FDA UNII9QH06NGT6O
Molecular FormulaC8 H8 O
Molecular Weight120.15096000
MDL NumberMFCD00005121
Nikkaji NumberJ5.159D
Beilstein0108582
XlogP31.60 (est)

Regulatory

FDA Mainterm (IAUFC)96-09-3 ; STYRENE OXIDE

Physical Properties

Appearance colorless to pale yellow clear liquid (est)
Assay 97.00 to 100.00
Food Chemicals Codex Listed No
Specific Gravity 1.05300 to 1.05600 @ 20.00 °C.
Pounds per Gallon - (est). 8.772 to 8.797
Refractive Index 1.53400 to 1.53600 @ 20.00 °C.
Melting Point -37.00 °C. @ 760.00 mm Hg
Boiling Point 194.00 °C. @ 760.00 mm Hg
Vapor Pressure 0.633000 mmHg @ 25.00 °C. (est)
Vapor Density 4.14 ( Air = 1 )
Flash Point 176.00 °F. TCC ( 80.00 °C. )
logP (o/w) 1.610
Soluble in water, 3000 mg/L @ 20 °C (exp)

No sensory data available

Safety Information

Preferred SDSView
Oral/Parenteral Toxicityoral-guinea pig LD50 2000 mg/kg
Dermal Toxicityskin-rabbit LD50 890 uL/kg
Inhalation Toxicityinhalation-rat LCLo 500 ppm/4H

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryinformation only not used for fragrances or flavors
Recommendation for styrene oxide usage levels up tonot for fragrance use.
Recommendation for styrene oxide flavor usage levels up tonot for flavor use.

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

benzene, (1,2-epoxyethyl)- benzene, (epoxyethyl)- 1,2- epoxy-1-phenylethane epoxyethyl benzene 1,2- epoxyethyl benzene epoxyethyl) benzene epoxyethyl)benzene epoxyethylbenzene 1,2- epoxyethylbenzene epoxystyrene (±)- epoxystyrene oxirane, 2-phenyl- phenethylene oxide 1- phenyl-1,2-epoxyethane 2- phenyl-oxirane phenylethylene oxide (±)-2- phenyloxirane 1- phenyloxirane 2- phenyloxirane styrene 7,8-oxide styrene epoxide styrene-7,8-oxide styreneoxide styryl oxide PubMed: Detection of DNA damage based on metal-mediated molecular beacon and DNA strands displacement reaction. PubMed: Colorimetric detection of DNA damage by using hemin-graphene nanocomposites. PubMed: Functional expression and magnetic nanoparticle-based Immobilization of a protein-engineered marine fish epoxide hydrolase of Mugil cephalus for enantioselective hydrolysis of racemic styrene oxide. PubMed: Biosynthesis of (R)-phenyl-1,2-ethanediol from racemic styrene oxide by using bacterial and marine fish epoxide hydrolases. PubMed: Carbon metabolism and product inhibition determine the epoxidation efficiency of solvent-tolerant Pseudomonas sp. strain VLB120DeltaC. PubMed: Cloning, expression and enantioselective hydrolytic catalysis of a microsomal epoxide hydrolase from a marine fish, Mugil cephalus. PubMed: Estimation of a possible tumorigenic risk of styrene from daily intake via food and ambient air. PubMed: Chronic toxicity/oncogenicity study of styrene in CD-1 mice by inhalation exposure for 104 weeks. PubMed: Purification, molecular cloning and ethylene-inducible expression of a soluble-type epoxide hydrolase from soybean (Glycine max [L.] Merr.). PubMed: Chronic toxicity/oncogenicity study of styrene in CD rats by inhalation exposure for 104 weeks. PubMed: Indigo formation by microorganisms expressing styrene monooxygenase activity. PubMed: Measurement of styrene oxide in polystyrenes, estimation of migration to foods, and reaction kinetics and products in food simulants. PubMed: Possible regulatory role for nonaromatic carbon sources in styrene degradation by Pseudomonas putida CA-3. PubMed: Effects of age and dietary restriction on liver glutathione transferase activities in Lobund-Wistar rats. PubMed: Styrene: toxicity studies--what do they show? PubMed: Chronic physical activity: hepatic hypertrophy and increased total biotransformation enzyme activity. PubMed: Mechanisms of anti-carcinogenesis by indole-3-carbinol. Studies of enzyme induction, electrophile-scavenging, and inhibition of aflatoxin B1 activation. PubMed: The study of mutagenic activity of carcinogens and other chemical agents with Salmonella typhimurium assays: testing of 126 compounds. PubMed: [Mutagenic activity of carcinogens and other chemical agents in Salmonella typhimurium tests]. PubMed: Contact allergy to styrene and related chemicals. PubMed: Epoxide hydrolase and aryl hydrocarbon hydroxylase in human fetal tissues: activities in nuclear and microsomal fractions and in isolated hepatocytes. PubMed: The effect of dieldrin-contaminated feed on rat hepatic microsomal epoxide hydrase and aryl hydrocarbon hydroxylase.