Styrene oxide

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Names

[ CAS No. ]:
96-09-3

[ Name ]:
Styrene oxide

[Synonym ]:
Phenyloxirane
epoxyethylbenzene
2-phenyl-oxirane
Styryl oxide
Oxirane,phenyl
EINECS 202-476-7
Styrene oxide
MFCD00005121
Phenylethylene oxide
Epoxystyrene
(R)-phenylethylene oxide
2-phenyloxirane
Styrene-7,8-oxide
1,2-Epoxyethylbenzene

Chemical & Physical Properties

[ Density]:
1.05

[ Boiling Point ]:
194ºC

[ Melting Point ]:
-37ºC

[ Molecular Formula ]:
C8H8O

[ Molecular Weight ]:
120.14900

[ Flash Point ]:
74ºC

[ Exact Mass ]:
120.05800

[ PSA ]:
12.53000

[ LogP ]:
1.75790

[ Vapour density ]:
4.14 (vs air)

[ Vapour Pressure ]:
<1 mm Hg ( 20 °C)

[ Index of Refraction ]:
1.533-1.536

[ Storage condition ]:
0-6°C

[ Stability ]:
Stability Unstable - polymerises readily with compounds possessing a labile hydrogen (such as acids and alcohols) in the presence of acids, bases or some salts. Combustible. Incompatible with strong oxidizing agents, acids, bases. Moisture sensitive.

[ Water Solubility ]:
3 g/L (20 ºC)

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CZ9625000
CHEMICAL NAME :
Benzene, (epoxyethyl)-
CAS REGISTRY NUMBER :
96-09-3
BEILSTEIN REFERENCE NO. :
0108582
LAST UPDATED :
199806
DATA ITEMS CITED :
77
MOLECULAR FORMULA :
C8-H8-O
MOLECULAR WEIGHT :
120.16
WISWESSER LINE NOTATION :
T3OTJ BR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
500 ppm/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
460 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
890 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
8400 mg/kg/7W-I
TOXIC EFFECTS :
Liver - other changes Biochemical - Metabolism (Intermediary) - lipids including transport
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
350 mg/kg/14D-I
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - monoamine oxidase Biochemical - Neurotransmitters or modulators (putative) - catecholamine levels in CNS
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
65 gm/kg/52-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10 gm/kg/52W-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
273 gm/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
74 gm/kg/62W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors Tumorigenic - tumors at site of application
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
96 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - lymphoma, including Hodgkin's disease
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
52 gm/kg/52W-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
200 gm/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
100 ppm/7H
SEX/DURATION :
female 1-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
100 ppm/7H
SEX/DURATION :
female 1-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
100 ppm/7H
SEX/DURATION :
female 1-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
15 ppm/7H
SEX/DURATION :
female 1-24 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
TYPE OF TEST :
DNA damage
TYPE OF TEST :
Sister chromatid exchange
TYPE OF TEST :
Cytogenetic analysis
TYPE OF TEST :
Sister chromatid exchange

MUTATION DATA

TYPE OF TEST :
Mutation in mammalian somatic cells
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
2080 umol/L/2H
REFERENCE :
CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 39,57,1982 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 36,245,1985 IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 60,321,1994 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 36,245,1985 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 60,321,1994 IARC Cancer Review:Group 2A IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 60,321,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FRANCE;Carcinogen JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84819 No. of Facilities: 59 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 1740 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84819 No. of Facilities: 109 (estimated) No. of Industries: 2 No. of Occupations: 4 No. of Employees: 458 (estimated)

Safety Information

[ Symbol ]:

GHS06, GHS08

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H312-H315-H317-H319-H331-H340-H350

[ Precautionary Statements ]:
P201-P261-P280-P305 + P351 + P338-P311

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
T:Toxic;

[ Risk Phrases ]:
R21;R36;R45

[ Safety Phrases ]:
S45-S53

[ RIDADR ]:
UN 2810

[ WGK Germany ]:
3

[ RTECS ]:
CZ9625000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1

[ HS Code ]:
29109000

Synthetic Route

Precursor & DownStream

Precursor

  • phenylene-ethylene
  • styrene glycol
  • Hydrogen peroxide
  • alpha-(bromomethyl)benzyl alcohol
  • 2-azido-1,2-bis(4-methoxyphenyl)ethanone
  • styrene glycol
  • Benzaldehyde
  • Methyl trifluoromethanesulfonate
  • (+/-)-2-ACETOXYPROPIONICACID

DownStream

  • N-3,4-DIMETHOXY BENZYL-2-HYDROXYL-2-PHENYL ETHYL AMINE
  • 2-azido-1-phenyl-1-(trimethylsilyloxy)ethane
  • (2-azido-2-phenylethoxy)-trimethylsilane
  • 2-[2-[2-(2-hydroxyethoxy)-2-phenylethoxy]ethoxy]ethanol
  • 3-Phenylpropene-3-ol
  • β-methylenephenethyl alcohol
  • (2-methoxyethyl)benzene
  • ether
  • Phenethyl alcohol
  • 4-Morpholineethanol, a-phenyl-

Customs

[ HS Code ]: 2910900090

[ Summary ]:
2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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Related Compounds

  • R-STYRENE OXIDE
  • Styrene oxide-d8
  • 4-F-styrene oxide
  • 4-F-styrene oxide
  • 4-F-styrene oxide
  • (S)-Styrene oxide