ethylbenzene

CAS No. 100-41-4

Formula: C8H10
Basic Info

Ethylbenzene is an organic compound with the formula C6H5CH2CH3. It is a highly flammable, colorless liquid with an odor similar to that of gasoline. This monocyclic aromatic hydrocarbon is important in the petrochemical industry as an intermediate in the production of styrene, the precursor to polystyrene, a common plastic material. In 2012, more than 99% of ethylbenzene produced was consumed in the production of styrene. Ethylbenzene is also used to make other chemicals, in fuel, and as a solvent in inks, rubber adhesives, varnishes, and paints. Ethylbenzene exposure can be determined by testing for the breakdown products in urine.

Formula
C8H10
Molecular Weight
106.165
Exact Mass
106.078
LogP
2.249
PSA
0
Synonyms

ETHYL OXIDE

Ethylbenzene

Ethylbenzol

Benzene, ethyl-

Etilbenzene

ETHER

Ethylenzee

Ethylenzene

Etylobenzen

ET2O

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Properties
Appearance & Physical State
colourless liquid
Density
0.865
Boiling Point
136-140ºC
Melting Point
-94ºC
Freezing Point
-95℃
Flash Point
21ºC
Refractive Index
1.494-1.498
Water Solubility
0.0206 g/100 mL
Stability
Stable. Incompatible with oxidizing agents. Flammable.
Storage Condition
0-6ºC
Vapor Density
3.7 (vs air)
Vapor Pressure
28.69 psi ( 55 °C)
Safety Info
RTECS
KI5775000
Safety Statements
S16-S24/25-S29
WGK Germany
1
Risk Statements
R11; R20
HS Code
2902600000
RIDADR
UN 1175
Hazard Class
3
Packing Group
II
Caution Statement
P201; P261; P280; P304 + P340 + P312; P308 + P313; P403 + P233
Hazard Codes
Spectrum
NMR Spectrum 1H NMR : 90 MHz in CDCl3
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IR Spectrum IR : liquid film
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Mass Spectrum Mass
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Raman Spectrum Raman : 4880 A,150M,liquid
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Toxicity
SKIN/EYE IRRITATION DATA
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Type of Test
Open irritation test
Exposure Route
Administration onto the skin
Species Observed
Rodent - rabbit
Dose/Duration
15 mg/24H
Toxic Effects
--
Reference
American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962
SKIN/EYE IRRITATION DATA
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Type of Test
Standard Draize test
Exposure Route
Administration into the eye
Species Observed
Rodent - rabbit
Dose/Duration
500 mg
Toxic Effects
--
Reference
American Journal of Ophthalmology. (Ophthalmic Pub. Co., 435 N. Michigan Ave., Suite 1415, Chicago, IL 60611) Series 3: V.1- 1918- Volume(issue)/page/year: 29,1363,1946
ACUTE TOXICITY DATA
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Type of Test
TCLo - Lowest published toxic concentration
Exposure Route
Inhalation
Species Observed
Human
Dose/Duration
100 ppm/8H
Toxic Effects
Sense Organs and Special Senses (Eye)--effect, not otherwise specified<br>Behavioral--sleep<br>Lungs, Thorax, or Respiration--other changes
Reference
American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 31,206,1970

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