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HomeProduct name listDiethylbenzene

Diethylbenzene

  • CAS NO.:25340-17-4
  • Empirical Formula: C10H14
  • Molecular Weight: 134.22
  • MDL number: MFCD00792900
  • EINECS: 246-874-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-15 19:19:13
Diethylbenzene Structural

What is Diethylbenzene?

Chemical properties

Clear colorless to light yellow liquid

The Uses of Diethylbenzene

Diethylbenzene (DEB) can be used to synthesize divinylbenzene (DVB) by dehydrogenation reaction. DVB is used in the production of crosslinked polystyrene. DEB can be also employed as low temperature heat transfer fluid with biphenyls.

General Description

A clear colorless liquid with an aromatic odor. Flash point 140°F. Less dense than water and insoluble in water. Vapors heavier than air.

Air & Water Reactions

Flammable. Insoluble in water.

Reactivity Profile

Vigorous reactions, sometimes amounting to explosions, can result from the contact between aromatic hydrocarbons, such as Diethylbenzene, and strong oxidizing agents. They can react exothermically with bases and with diazo compounds. Substitution at the benzene nucleus occurs by halogenation (acid catalyst), nitration, sulfonation, and the Friedel-Crafts reaction.

Health Hazard

High vapor concentrations produce eye and respiratory tract irritation, dizziness, depression. Liquid irritates and may blister skin, can cause corneal injury to eye.

Fire Hazard

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Flammability and Explosibility

Non flammable

Chemical Reactivity

Reactivity with Water No reaction; Reactivity with Common Materials: No reaction; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

Safety Profile

hhldly toxic by ingestion. A skin and eye irritant. Flammable liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use CO2, dry chemical. When heated to decomposition it emits acrid smoke and fumes. See also ETHYL BENZENE.

Properties of Diethylbenzene

Melting point: -31°C(lit.)
Boiling point: 180-182 °C (lit.)
Density  0.87 g/mL at 25 °C (lit.)
vapor density  ~4.6 (vs air)
vapor pressure  0.99 mm Hg ( 20 °C)
refractive index  n20/D 1.495(lit.)
Flash point: 134 °F
form  Liquid
color  Clear colorless to light yellow
Odor Characteristic aromatic; like benzene; like toluene,
explosive limit 5%
Water Solubility  INSOLUBLE
BRN  1903396
CAS DataBase Reference 25340-17-4(CAS DataBase Reference)
EPA Substance Registry System Diethylbenzene (25340-17-4)

Safety information for Diethylbenzene

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H226:Flammable liquids
H304:Aspiration hazard
H315:Skin corrosion/irritation
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233:Keep container tightly closed.
P273:Avoid release to the environment.
P331:Do NOT induce vomiting.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

Computed Descriptors for Diethylbenzene

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