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Styrene CAS#100-42-5

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Chemical Name：Styrene

CAS No.: 100-42-5

Molecular Formula：C8H8

Molecular weight:104.15

Sample: Available

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Product Details

Styrene CAS#100-42-5

Styrene is a positive natural chemical compound having the chemical components C8H8 and structural system CH2=CHC6H5, additionally recognized as styrol, vinylbenzene, phenylethene,phenylethylene,styrene,styreen and so on. Its chemical shape is made up of a benzene ring bonded onto a vinyl team . At room temperature and pressure, styrene is a clear, colorless liquid. Styrene is an necessary monomer of synthetic rubber, adhesives and plastics, such as styrene sheet.

Styrene CAS#100-42-5

Styrene Chemical Properties

Melting point	-31 °C (lit.)
Boiling point	145-146 °C (lit.)
density	0.906 g/mL at 25 °C
vapor density	3.6 (vs air)
vapor pressure	12.4 mm Hg ( 37.7 °C)
refractive index	n20/D 1.546(lit.)
Fp	88 °F
storage temp.	Store at <= 20°C.
solubility	0.24g/l
form	Liquid
pka	>14 (Schwarzenbach et al., 1993)
Specific Gravity	0.909
color	Colorless
Odor	at 0.10 % in triacetin. sweet balsam floral plastic
Odor Type	balsamic
Odor Threshold	0.035ppm
explosive limit	1.1-8.9%(V)
Water Solubility	0.3 g/L (20 ºC)
FreezingPoint	-30.6℃
Sensitive	Air Sensitive
Merck	14,8860
BRN	1071236
Henry's Law Constant	(x 10-3 atm?m3/mol): 3.91 at 25 °C (static headspace-GC, Welke et al., 1998)
Exposure limits	TLV-TWA 50 ppm (～212 mg/m3) (ACGIH and NIOSH), 100 ppm (～425 mg/m3) (OSHA and MSHA); ceiling 200 ppm, peak 600 ppm/5 min/3 h (OSHA); STEL 100 ppm （～425 mg/m3) (ACGIH).
Dielectric constant	2.4（25℃）
Stability:	Stable, but may polymerize upon exposure to light. Normally shipped with a dissolved inhibitor. Substances to be avoided include strong acids, aluminium chloride, strong oxidizing agents, copper, copper alloys, metallic salts, polymerization catalysts and accelerators. Flammable - vapour may travel considerable distance to ignition source
InChIKey	PPBRXRYQALVLMV-UHFFFAOYSA-N
LogP	2.96 at 25℃
CAS DataBase Reference	100-42-5(CAS DataBase Reference)
IARC	2A (Vol. 60, 82, 121) 2019
NIST Chemistry Reference	Styrene(100-42-5)
EPA Substance Registry System	Styrene (100-42-5)

Safety Information

Hazard Codes	Xn,T,F
Risk Statements	10-20-36/38-40-36/37/38-39/23/24/25-23/24/25-11-48/20-63
Safety Statements	23-36-26-16-45-36/37-7-46
RIDADR	UN 2055 3/PG 3
OEB	A
OEL	TWA: 50 ppm (215 mg/m3), STEL: 100 ppm (425 mg/m3)
WGK Germany	2
RTECS	WL3675000
Autoignition Temperature	914 °F
TSCA	Yes
HS Code	2902 50 00
HazardClass	3
PackingGroup	III
Hazardous Substances Data	100-42-5(Hazardous Substances Data)
Toxicity	LD50 in mice (mg/kg): 660 ± 44.3 i.p.; 90 ± 5.2 i.v.
IDLA	700 ppm

Product Usage

Styrene is an necessary monomer of artificial rubber, adhesives and plastics. [3,4,5] It is used for the synthesis of styrene butadiene rubber and polystyrene resin, polyester glass fiber bolstered plastics and coatings. It is used for making ready polystyrene, ion change resin, and foam polystyrene. It is additionally used for copolymerization with different monomers to produce a number of engineering plastics, such as copolymerization of acrylonitrile and butadiene to produce ABS resin, broadly used in a number family home equipment and industries. Copolymerization with acrylonitrile, bought SAN is a resin with shock resistance and shiny color. The SBS produced by means of copolymerization with butadiene is a thermoplastic rubber, which is broadly used as a polyvinyl chloride and acrylic modifier. SBS and SIS thermoplastic elastomers are made with butadiene and isoprene copolymerization, and as a crosslinking monomer, styrene is used in the change of PVC, polypropylene, and unsaturated polyester.
Syrene is used as a challenging monomer for the manufacturing of styrene acrylic emulsion and solvent strain touchy adhesive. Emulsion adhesive and paint can be organized by using copolymerization with vinyl acetate and acrylic ester. Styrene is one of the most regularly used vinyl monomers in the scientific field, used in a number modified and composite materials.[6]
In addition, a small quantity of styrene is additionally used as fragrance and different intermediates. By chloromethylation of styrene, cinnamyl chloride is used as an intermediate for the non anesthetic analgesic sturdy ache determination, and styrene is additionally used as an antitussive, expectorant and anticholinergic unique medication in belly Changning. It can be used to synthesize anthraquinones dye intermediates , pesticide emulsifiers, and styrene phosphonic acids ore dressing agent and copper plating brighteners.[7]

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