Styrene

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Styrene
Styrene
Styrene-from-xtal-2001-3D-balls.png
Names
Preferred IUPAC name
Phenylethene
Ither names
Vinyl benzene; cinnamene; styrol; phenylethene; diarex HF 77; styrolene; styropol; vinylbenzene; phenylethylene
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.592
KEGG
RTECS nummer WL3675000
UNII
Properties
C8H8
Molar mass 104.15 g/mol
Appearance colourless ily liquid
Odour sweet, floral[1]
Density 0.909 g/cm3
Meltin pynt −30 °C (−22 °F; 243 K)
Bylin pynt 145 °C (293 °F; 418 K)
0.03% (20°C)[1]
Vapour pressur 5 mmHg (20°C)[1]
Refractive index (nD) 1.5469
Viscosity 0.762 cP at 20 °C
Structur
0.13 D
Hazards
Main hazards flammable, toxic
Safety data sheet MSDS
R-phrases R10 R36
S-phrases S38 S20 S23
NFPA 704
Flammability code 3: Liquids an solids that can be ignited unner awmaist ae ambient temperature condeetions. Flash pynt atween 23 an 38 °C (73 an 100 °F). E.g., gasoline)Health code 2: Intense or continued but nae chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroformReactivity code 2: Unnergangs violent chemical chynge at elevatit temperatures an pressurs, reacts violently wi water, or mey form explosive mixturs wi watter. E.g., phosphorusSpecial hazards (white): no codeNFPA 704 four-colored diamond
3
2
2
Flash pynt 31 °C (88 °F; 304 K)
Explosive leemits 0.9%-6.8%[1]
Lethal dose or concentration (LD, LC):
2194 ppm (mouse, 4 hr)
5543 ppm (rat, 4 hr)[2]
10,000 ppm (human, 30 min)
2771 ppm (rat, 4 hr)[2]
US heal exposur leemits (NIOSH):
PEL (Permissible)
TWA 100 ppm C 200 ppm 600 ppm (5-minute maximum peak in ony 3 oors)[1]
REL (Recommendit)
TWA 50 ppm (215 mg/m3) ST 100 ppm (425 mg/m3)[1]
IDLH (Immediate danger)
700 ppm[1]
Relatit compoonds
Relatit styrenes;
related aromatic compoonds
Polystyrene, Stilbene;
Ethylbenzene
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
N verify (whit is YesYN ?)
Infobox references

Styrene, an aa kent as ethenylbenzene, vinylbenzene, an phenylethene, is an organic compoond wi the chemical formula C6H5CH=CH2.

References[eedit | eedit soorce]