Home Categories Organic Chemistry Ethylbenzene
A3961512

Ethylbenzene , 99.8%, no water grade , 100-41-4

Synonym(s):
Ethylbenzene;NSC 406903;Phenylethane

CAS NO.:100-41-4

Empirical Formula: C8H10

Molecular Weight: 106.17

MDL number: MFCD00011647

EINECS: 200-467-2

Update time: 2022-07-08

PRODUCT Properties

Melting point: −95 °C(lit.)
Boiling point: 136 °C(lit.)
Density  0.867 g/mL at 25 °C(lit.)
vapor density  3.7 (vs air)
vapor pressure  28.69 psi ( 55 °C)
refractive index  n20/D 1.495(lit.)
Flash point: 72 °F
storage temp.  Store below +30°C.
solubility  0.2g/l
form  Liquid
color  Colorless
Relative polarity 0.117
Odor Aromatic.
Odor Threshold 0.17ppm
explosive limit 1.0-7.8%(V)
Water Solubility  0.0206 g/100 mL
FreezingPoint  -95℃
Merck  14,3765
BRN  1901871
Henry's Law Constant 13.9(x 10-3 atm?m3/mol) at 45.00 °C, 15.1 at 50.00 °C, 17.1 at 55.00 °C, 20.1 at 60.00 °C, 20.9 at 65.00 °C, 22.7 at 70.00 °C, 34.3 at 80.00 °C (static headspace-GC, Park et al., 2004)
Exposure limits TLV-TWA 100 ppm (~433 mg/m3) (ACGIH, NIOSH, MSHA, and OSHA); STEL 125 ppm (541 mg/m3) (ACGIH); IDLH 2000 ppm (NIOSH).
Dielectric constant 2.5(20℃)
Stability: Stable. Incompatible with oxidizing agents. Flammable.
InChIKey YNQLUTRBYVCPMQ-UHFFFAOYSA-N
LogP 3.03-3.6 at 20℃
CAS DataBase Reference 100-41-4(CAS DataBase Reference)
IARC 2B (Vol. 77) 2000
NIST Chemistry Reference Ethylbenzene(100-41-4)
EPA Substance Registry System Ethylbenzene (100-41-4)

Description and Uses

Ethylbenzene is a colorless liquid with a pungent aromaticodor. The odor threshold is 0.092- 0.60 ppm.Molecular weight = 106.18; Specific gravity (H2O:1) =0.87; Boiling point = 136℃; Freezing/Meltingpoint = - 95℃; Vapor pressure = 7% mmHg at 20℃;Flash point = 12.8℃; Autoignition temperature = 432℃.Explosive limits: LEL = 0.8%; UEL = 6.7%. HazardIdentification (based on NFPA-704 M Rating System):Health 2, Flammability 3, Reactivity 0. Practically insolublein water; solubility = 0.7%.

Primarily used in the production of styrene; also used as an industrial solvent, as a constituent of asphalt and naptha, and as an antiknock agent in aviation and motor fuels

Safety

Symbol(GHS) 
GHS06,GHS08
Signal word  Danger
Hazard statements  H302-H315-H319-H331-H336-H351-H361d-H372
Precautionary statements  P201-P301+P312-P302+P352-P304+P340+P311-P305+P351+P338-P308+P313
Hazard Codes  F+,Xn,Xi,F,T
Risk Statements  63-11-20/22-36/38-40-48/20-65-20-48/20/22-38-22-39/23/24/25-23/24/25-2017/11/20
Safety Statements  9-16-29-33-24/25-36/37-36-45-36/37/39-26-23-53-7-24-62
OEB A
OEL TWA: 100 ppm (435 mg/m3), STEL: 125 ppm (545 mg/m3)
RIDADR  UN 1175 3/PG 2
WGK Germany  1
RTECS  KI5775000
10
Autoignition Temperature 810 °F
TSCA  Yes
HS Code  2902 60 00
HazardClass  3
PackingGroup  II
Hazardous Substances Data 100-41-4(Hazardous Substances Data)
Toxicity LD50 orally in rats: 5.46 g/kg (Smyth)
IDLA 800 ppm [10% LEL]

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