|
|
|
Substance Name: Styrene
RN: 100-42-5
UNII: 44LJ2U959V
InChIKey: PPBRXRYQALVLMV-UHFFFAOYSA-N
Note
- A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.
Molecular Formula
- C8-H8
Molecular Weight
- 104.151
- All
- Classifications
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
Classification Codes
- Human Data
- Mutation Data
- Reproductive Effect
- Skin / Eye Irritant
- Tumor Data
Superlist Classification Codes
- 2007 CERCLA Priority List, Rank: 271
- 2011 CERCLA Priority List, Rank: 273
- Overall Carcinogenic Evaluation: Group 2B
- Reportable Quantity (RQ) = 1000 lb
- TWA (20 ppm); STEL (40 ppm); Not classifiable as a human carcinogen; BEI
- TWA 100 mg/m3; Ceiling 200 mg/m3, peak 300 in 5 min in any
* denotes mobile formatted website
Links to Resources
NLM Resources (File Locators)
Regulatory Agencies (Superlist Locators)
Other Resources (Internet Locators)
Search for this InChIKey on the Web
Names and Synonyms
Name of Substance
- Styrene
MeSH Heading
- Styrene
Synonyms
- AI3-24374
- Benzene, vinyl-
- Bulstren K-525-19
- CCRIS 564
- Cinnamene
- EC 202-851-5
- EINECS 202-851-5
- Ethenylbenzene
- Ethylene, phenyl-
- FEMA No. 3233
- FEMA Number 3234
- HSDB 171
- NCI-C02200
- NSC 62785
- Phenethylene
- Phenylethene
- Phenylethylene
- Stirolo
- Stirolo [Italian]
- Styreen
- Styreen [Dutch]
- Styren
- Styren [Czech]
- Styrene
- Styrene monomer
- Styrol
- Styrol [German]
- Styrole
- Styrolene
- Styropol SO
- UNII-44LJ2U959V
- Vinyl benzene
- Vinylbenzen
- Vinylbenzen [Czech]
- Vinylbenzen [Dutch]
- Vinylbenzene
- Vinylbenzol
Systematic Names
- Benzene, ethenyl-
- Styrene
Superlist Names
- Benzene, ethenyl-
- Phenylethylene
- Phenylethylene, inhibited
- Styrene
- Styrene (monomer)
- Styrene monomer
- Styrene monomer, inhibited
- Styrene monomer, inhibited [UN2055] [Flammable liquid]
- UN2055
- Vinyl benzene
- Vinylbenzene, inhibited
Registry Numbers
CAS Registry Number
- 100-42-5
FDA UNII
- 44LJ2U959V
Other Registry Numbers
- 1161074-30-1
- 1198090-46-8
- 1453489-93-4
- 1646200-96-5
- 2015955-51-6
- 2351150-23-5
- 2576469-81-1
- 79637-11-9
System Generated Number
- 0000100425
Structure Descriptors
InChI
InChI=1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2InChIKey
PPBRXRYQALVLMV-UHFFFAOYSA-NSmiles
C=Cc1ccccc1Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LCLo | inhalation | 12gm/m3/14H (12000mg/m3) | BEHAVIORAL: MUSCLE WEAKNESS BEHAVIORAL: ANTIPSYCHOTIC SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE | Journal of Industrial Hygiene and Toxicology. Vol. 24, Pg. 295, 1942. |
| human | LCLo | inhalation | 10000ppm/30M (10000ppm) | "Practical Toxicology of Plastics," Lefaux, R., Cleveland, OH, Chemical Rubber Co., 1968Vol. -, Pg. 77, 1968. | |
| human | TCLo | inhalation | 20ug/m3 (0.02mg/m3) | SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 26(8), Pg. 11, 1961. |
| human | TCLo | inhalation | 376ppm/1H (376ppm) | BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) | Archives of Environmental Health. Vol. 16, Pg. 656, 1968. |
| human | TCLo | inhalation | 600ppm (600ppm) | SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE | AMA Archives of Industrial Health. Vol. 14, Pg. 387, 1956. |
| mammal (species unspecified) | LD50 | oral | > 1500mg/kg (1500mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 39(4), Pg. 86, 1974. | |
| mouse | LC50 | inhalation | 9500mg/m3/4H (9500mg/m3) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 106, 1982. | |
| mouse | LD50 | intraperitoneal | 660mg/kg (660mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 19, Pg. 617, 1969. | |
| mouse | LD50 | intravenous | 90mg/kg (90mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 19, Pg. 617, 1969. | |
| mouse | LD50 | oral | 316mg/kg (316mg/kg) | Progress Report for Contract No. NIH-NCI-E-C-72-3252, Submitted to the National Cancer Institute by Litton Bionetics, Inc. Vol. NCI-E-C-72-3252, Pg. 1973, | |
| rabbit | LCLo | inhalation | 4000ppm/4H (4000ppm) | Union Carbide Data Sheet. Vol. 12/13/1963, | |
| rat | LC50 | inhalation | 12gm/m3/4H (12000mg/m3) | Archives of Environmental Health. Vol. 18, Pg. 878, 1969. | |
| rat | LD50 | intraperitoneal | 898mg/kg (898mg/kg) | Environmental Research. Vol. 40, Pg. 411, 1986. | |
| rat | LD50 | oral | 2650mg/kg (2650mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LIVER: OTHER CHANGES | Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | -3.10E+01 | deg C | EXP | |
| Boiling Point | 145 | deg C | EXP | |
| log P (octanol-water) | 2.95 | (none) | EXP | |
| Water Solubility | 310 | mg/L | 25 | EXP |
| Vapor Pressure | 6.4 | mm Hg | 25 | EXP |
| Henry's Law Constant | 0.00275 | atm-m3/mole | 25 | EXP |
| Atmospheric OH Rate Constant | 5.80E-11 | cm3/molecule-sec | 25 | EXP |
Physical property data is provided to ChemIDplus by SRC, Inc.