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HomeProduct name list2,5-Dimethyl-2,4-hexadiene

2,5-Dimethyl-2,4-hexadiene

  • CAS NO.:764-13-6
  • Empirical Formula: C8H14
  • Molecular Weight: 110.2
  • MDL number: MFCD00008904
  • EINECS: 212-115-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-09-13 19:17:58
2,5-Dimethyl-2,4-hexadiene Structural

What is 2,5-Dimethyl-2,4-hexadiene?

Chemical properties

clear colourless liquid

The Uses of 2,5-Dimethyl-2,4-hexadiene

2,5-dimethyl-2,4-hexadiene is a volatile alkyl compound present in tobacco smoke. It is used as a potential biomarker in breath for prediction of lung cancer.

The Uses of 2,5-Dimethyl-2,4-hexadiene

2,5-Dimethyl-2,4-hexadiene may be used in the synthesis of (+)-trans-(1R,3R)-chrysanthemic acid methyl ester.

What are the applications of Application

2,5-Dimethyl-2,4-hexadiene is a nucleophilic alkene useful for a variety of reactions

Definition

ChEBI: 2,5-Dimethyl-2,4-hexadiene is an alkadiene.

General Description

2,5-Dimethyl-2,4-hexadiene is an electron-rich alkene. It induces photodechlorination of 9,10-dichloroanthracene and its mechanism has been investigated. Asymmetric cyclopropanation of 2,5-dimethyl-2,4-hexadiene with tert-butyl diazoacetate catalyzed by the new copper-bisoxazoline complex has been reported. 2,5-Dimethyl-2,4-hexadiene has been investigated as a singlet oxygen acceptor in various solvents. Mechanism of addition reaction of aromatic and aliphatic thiols with 2,5-dimethyl-2,4-hexadiene has been investigated.

Purification Methods

Distil, then repeatedly fractionally crystallise it by partial freezing. Immediately before use, the diene is passed through a column containing Woelm silica gel (activity I) and Woelm alumina (neutral) in separate layers. [Beilstein 1 IV 1043.]

Properties of 2,5-Dimethyl-2,4-hexadiene

Melting point: 12 °C
Boiling point: 132134°C
Density  0.773 g/mL at 25 °C(lit.)
vapor density  3.8 (vs air)
vapor pressure  26.9 mm Hg ( 37.7 °C)
refractive index  n20/D 1.476(lit.)
Flash point: 85 °F
storage temp.  Flammables area
solubility  Chloroform, Ethyl Acetate
form  Oil
color  Clear Colourless
BRN  1733342
CAS DataBase Reference 764-13-6(CAS DataBase Reference)
NIST Chemistry Reference 2,4-Hexadiene, 2,5-dimethyl-(764-13-6)
EPA Substance Registry System 2,4-Hexadiene, 2,5-dimethyl- (764-13-6)

Safety information for 2,5-Dimethyl-2,4-hexadiene

Signal word Warning
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H226:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 2,5-Dimethyl-2,4-hexadiene

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