4-Chlorotoluene Chemical Properties

Melting point:

6-8 °C(lit.)

Boiling point:

162 °C(lit.)

Density 

1.07 g/mL at 25 °C(lit.)

vapor density 

4.38 (vs air)

vapor pressure 

10 mm Hg ( 45 °C)

refractive index 

n20/D 1.52(lit.)

Flash point:

121 °F

storage temp. 

2-8°C

solubility 

0.040g/l

form 

Liquid

color 

Clear

PH

7.4 (H2O)(saturated aqueous solution)

explosive limit

0.7-12.2%(V)

Water Solubility 

<0.1 g/100 mL at 20 ºC

Merck 

14,2171

BRN 

1903635

Dielectric constant

6.0800000000000001

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents.

LogP

3.33 at 20℃

CAS DataBase Reference

106-43-4(CAS DataBase Reference)

NIST Chemistry Reference

Benzene, 1-chloro-4-methyl-(106-43-4)

EPA Substance Registry System

p-Chlorotoluene (106-43-4)

Safety Information

Hazard Codes 

Xn,N,T,F

Risk Statements 

20-51/53-39/23/24/25-23/24/25-11-10-43

Safety Statements 

24/25-61-45-36/37-16-7

RIDADR 

UN 2238 3/PG 3

WGK Germany 

2

RTECS 

XS9010000

Hazard Note 

Harmful

TSCA 

Yes

HazardClass 

3

PackingGroup 

III

HS Code 

29036990

HS Code 

29337900

Hazardous Substances Data

106-43-4(Hazardous Substances Data)

MSDS

• Language:English Provider:4-Chlorotoluene
• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

4-Chlorotoluene Usage And Synthesis

Chemical Properties

Colorless oily liquid. Slightly soluble in water. Soluble in ethanol, ether, acetone, benzene and chloroform.

Uses

4-Chlorotoluene is used in a variety of organic synthesis, such as acting as coupling precursors for palladium-catalyzed acylation of acetanilides. It is also used for the preparation model gas of 4-chlorotoulene by passing synthesized air into liquid 4-chlorotoulene.

Preparation

4-Chlorotoluene is obtained from p-toluidine by diazotization and substitution. Add p-toluidine and hydrochloric acid to the reaction pot and stir and heat until dissolved at 60℃, then cool to below 15℃ and add sodium nitrite solution dropwise. After reaching the end point, continue to stir for 0.5h. Add cuprous chloride hydrochloric acid solution and stir at room temperature for 3h. Then raise the temperature to 60℃ and keep for 0.5h, cool to room temperature and leave to stratify, discard the acid water layer, wash with water to neutral, filter and get p-chlorotoluene.

Application

4-chlorotoluene is used as a solvent and intermediate for dyes and other organic chemicals. It is used mainly to produce p-chlorobenzotrichloride, from whichis obtained p-chlorobenzotrifluoride, an important precursor of herbicides (e.g., trifluralin:α,α,α,-trifluoro-2,6-dinitro-N,Ndipropyl-p-toluidine). Other side-chain-chlorinated products or their derivatives are 4- chlorobenzyl chloride (for pharmaceuticals, rice herbicides, and pyrethrin insecticides), 4- chlorobenzaldehyde (for dyes and pharmaceuticals), 4-chlorobenzoyl chloride (for pharmaceuticals and peroxides), and 4-chlorobenzoic acid (for dyes). 4-Chlorotoluene is also a starting material in the synthesis of 2,4- and 3,4-dichlorotoluene and of 4-chlorobenzonitrile. [ChemicalBook]

Definition

ChEBI: 4-Chlorotoluene is a member of monochlorobenzenes. It is an intermediate for the manufacture of Fenvalerate, Paclobutrazol, Uniconazole, Trifluralin,Thiobencarb, Daimuron and other pesticides.

General Description

The reaction of 4-chlorotouleneand phenylboronic acid with Pd(OAc)2/L?2HX as the catalyst is the model reaction for determining the efficiencies of bisimidazolylidene (L) ligand precursors.

Hazard

Avoid inhalation; strong irritant.

Flammability and Explosibility

Flammable

Safety Profile

Moderately toxic by ingestion. Mdly toxic by inhalation. Flammable when exposed to heat or flame. When heated to decomposition it emits toxic fumes of Cl-. See also TOLYL CHLORIDE and CHLORINATED HYDROCARBONS, AROMATIC.

Purification Methods

Dry it with BaO, fractionally distil it, then fractionally crystallise it by partial freezing. [Beilstein 5 IV 806.]

4-Chlorotoluene(106-43-4)Related Product Information

• Benzene
• Tribenuron methyl
• Chlorobenzene
• p-Toluenesulfonic acid
• 3-Chlorotoluene
• Methyl salicylate
• Kresoxim-methyl
• Thiophanate-methyl
• Xylene
• Tosyl chloride
• p-Toluenesulfonamide
• Methyl
• à-chlorotoluene
• TRITON
• alpha,alpha,alpha-trichloro-4-chlorotoluene
• 1,2-CHLOROTOLUENE,O-CHLOROTOLUENE,REAGENT,2-Chlorotoluene 99%,2-Chlorotoluene,99%
• Methyl bromide
• Difluorochloromethane