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HomeProduct name list2,4-Dichlorotoluene

2,4-Dichlorotoluene

Synonym(s):2,4-DCT;2,4-Dichlorotoluene

  • CAS NO.:95-73-8
  • Empirical Formula: C7H6Cl2
  • Molecular Weight: 161.03
  • MDL number: MFCD00000583
  • EINECS: 202-445-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-21 22:41:43
2,4-Dichlorotoluene Structural

What is 2,4-Dichlorotoluene?

Chemical properties

It is a clear colorless liquid that is insoluble in water but can be mixed with ethanol, ether, and benzene. It is primarily used as a pesticide and pharmaceutical intermediate, but also serves as a solvent.

The Uses of 2,4-Dichlorotoluene

2,4-Dichlorotoluene was used as an oxidant and a solvent during anaerobic catalytic oxidation of secondary alcohols by using an in situ (N-heterocyclic carbene)-Ni(0) system. It was used as growth supplement in the culture media of Ralstonia sp. strain PS12. It was used to develop a sensitive method based on solid-phase microextraction followed by gas chromatography-tandem mass spectrometry for the analysis of chlorotoluenes in water samples.

Preparation

2,4-Dichlorotoluene is synthesized by diazotization and chlorination with 2,4-diaminotoluene as raw material. First, hydrochloric acid and water into the reaction pot, heated to 50°C, stirring under the dissolution of 2,4-diaminotoluene, then hydrochloric acid and cuprous chloride into the pot, the 1% sodium nitrite solution evenly added, the temperature is maintained at about 60°C, resting stratification, the lower layer of crude product washed with water to neutral, add alkali to alkaline, and then water to remove the alkali, divided 2,4-dichlorotoluene crude product, water distillation of finished products.

Definition

ChEBI: 2,4-Dichlorotoluene is a dichlorobenzene.

Synthesis Reference(s)

Tetrahedron Letters, 32, p. 2759, 1991 DOI: 10.1016/0040-4039(91)85078-J

General Description

Clear colorless liquid.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Simple aromatic halogenated organic compounds, such as 2,4-Dichlorotoluene, are very unreactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Materials in this group may be incompatible with strong oxidizing and reducing agents. Also, they may be incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides.

Purification Methods

Recrystallise 2,4-dichlorotoluene from EtOH at low temperature or fractionally distil it. [Beilstein 5 IV 815.]

Properties of 2,4-Dichlorotoluene

Melting point: -14 °C
Boiling point: 200 °C (lit.)
Density  1.246 g/mL at 25 °C (lit.)
vapor pressure  4 hPa (50 °C)
refractive index  n20/D 1.546(lit.)
Flash point: 175 °F
storage temp.  Store below +30°C.
form  Liquid
color  Clear colorless
Water Solubility  immiscible
BRN  1931691
CAS DataBase Reference 95-73-8(CAS DataBase Reference)
NIST Chemistry Reference Benzene, 2,4-dichloro-1-methyl-(95-73-8)
EPA Substance Registry System 2,4-Dichlorotoluene (95-73-8)

Safety information for 2,4-Dichlorotoluene

Signal word Warning
Pictogram(s)
ghs
Environment
GHS09
GHS Hazard Statements H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P273:Avoid release to the environment.

Computed Descriptors for 2,4-Dichlorotoluene

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