W323306

Styrene

≥99%

• Synonym(s): Phenylethylene, Vinylbenzene
• Linear Formula: C₆H₅CH=CH₂
• CAS Number: 100-42-5
• Molecular Weight: 104.15
• Beilstein: 1071236
• EC Number: 202-851-5
• Council of Europe no.: 11022
• MDL number: MFCD00008612
• UNSPSC Code: 12164502
• PubChem Substance ID: 24901572
• NACRES: NA.21

Properties

• biological source: synthetic
• reg. compliance: FDA 21 CFR 172.515
• vapor density: 3.6 (vs air)
• vapor pressure: 12.4 mmHg ( 37.7 °C); 4.3 mmHg ( 15 °C)
• Assay: ≥99%
• form: liquid
• autoignition temp.: 490 °F; 914 °F
• may contain: <15 ppm 4-tert-butylcatachol, synthetic as stabilizer
• expl. lim.: 6.1 %
• availability: not available in USA
• refractive index: n20/D 1.546 (lit.)
• bp: 145-146 °C (lit.)
• mp: −31 °C (lit.)
• density: 0.906 g/mL at 25 °C
• application(s): flavors and fragrances
• Documentation: see Safety & Documentation for available documents
• food allergen: no known allergens
• Organoleptic: medicinal; plastic
• storage temp.: 2-8°C
• SMILES string: C=Cc1ccccc1
• InChI: 1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2
• InChI key: PPBRXRYQALVLMV-UHFFFAOYSA-N

Safety Information

• Pictograms: GHS02,GHS08,GHS07
• Signal Word: Danger
• Hazard Statements: H226,H304,H315,H319,H332,H335,H361d,H372,H412
• Precautionary Statements: P210 - P273 - P301 + P310 - P303 + P361 + P353 - P304 + P340 + P312 - P331
• Hazard Classifications: Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 2 - Skin Irrit. 2 - STOT RE 1 Inhalation - STOT SE 3
• Target Organs: hearing organs, Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 89.6 °F - closed cup
• Flash Point(C): 32.0 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves