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120-82-1

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120-82-1 Usage

Safety Profile

Poison by ingestion. Moderatelytoxic by intraperitoneal route. An experimental teratogen.Experimental reproductive effects. Mutation datareported. A skin irritant. Combustible when exposed toheat or flame. Can react vigorously with oxidizingmaterials

Check Digit Verification of cas no

The CAS Registry Mumber 120-82-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,2 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 120-82:
(5*1)+(4*2)+(3*0)+(2*8)+(1*2)=31
31 % 10 = 1
So 120-82-1 is a valid CAS Registry Number.

120-82-1 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • Alfa Aesar

  • (19390)  1,2,4-Trichlorobenzene, Spectrophotometric Grade, 99% min   

  • 120-82-1

  • 250ml

  • 253.0CNY

  • Detail
  • Alfa Aesar

  • (19390)  1,2,4-Trichlorobenzene, Spectrophotometric Grade, 99% min   

  • 120-82-1

  • 1L

  • 710.0CNY

  • Detail
  • Alfa Aesar

  • (19390)  1,2,4-Trichlorobenzene, Spectrophotometric Grade, 99% min   

  • 120-82-1

  • 4L

  • 2633.0CNY

  • Detail
  • Alfa Aesar

  • (A10130)  1,2,4-Trichlorobenzene, 99%   

  • 120-82-1

  • 500g

  • 209.0CNY

  • Detail
  • Alfa Aesar

  • (A10130)  1,2,4-Trichlorobenzene, 99%   

  • 120-82-1

  • 2500g

  • 838.0CNY

  • Detail
  • Alfa Aesar

  • (A10130)  1,2,4-Trichlorobenzene, 99%   

  • 120-82-1

  • 10000g

  • 1750.0CNY

  • Detail
  • Sigma-Aldrich

  • (296104)  1,2,4-Trichlorobenzene  anhydrous, ≥99%

  • 120-82-1

  • 296104-100ML

  • 604.89CNY

  • Detail
  • Sigma-Aldrich

  • (296104)  1,2,4-Trichlorobenzene  anhydrous, ≥99%

  • 120-82-1

  • 296104-1L

  • 1,401.66CNY

  • Detail
  • Sigma-Aldrich

  • (256412)  1,2,4-Trichlorobenzene  for HPLC, ≥99%

  • 120-82-1

  • 256412-1L

  • 1,563.12CNY

  • Detail
  • Sigma-Aldrich

  • (256412)  1,2,4-Trichlorobenzene  for HPLC, ≥99%

  • 120-82-1

  • 256412-2L

  • 2,691.00CNY

  • Detail
  • Sigma-Aldrich

  • (256412)  1,2,4-Trichlorobenzene  for HPLC, ≥99%

  • 120-82-1

  • 256412-4L

  • 4,688.19CNY

  • Detail
  • Sigma-Aldrich

  • (132047)  1,2,4-Trichlorobenzene  ReagentPlus®, ≥99%

  • 120-82-1

  • 132047-1L

  • 1,194.57CNY

  • Detail

120-82-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,2,4-trichlorobenzene

1.2 Other means of identification

Product number -
Other names 1,2,5-Trichlorobenzene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. 1,2,4-Trichlorobenzene is used as a dye carrier, a herbicide intermediate, a heat-transfer medium, a dielectric fluid in transformers, a degreaser, a lubricant, in synthetic transformer oils, and as a solvent in chemical manufacturing. 1,2,4-Trichlorobenzene was formerly used as an insecticide against termites.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:120-82-1 SDS

120-82-1Synthetic route

1,2,3,5-tetrachlorobenzene
634-90-2

1,2,3,5-tetrachlorobenzene

A

1,3,5-trichlorobenzene
108-70-3

1,3,5-trichlorobenzene

B

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
With radical anion of p,p'-di-tert-butylbiphenyl In tetrahydrofuran at -25℃; Irradiation;A 2.8%
B 97.2%
2,5-dichloro-benzenediazonium; tetrachloro cuprate(II)

2,5-dichloro-benzenediazonium; tetrachloro cuprate(II)

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
In dimethyl sulfoxide Ambient temperature;97%
2,4-dichloro-benzenediazonium; tetrachloro cuprate(II)

2,4-dichloro-benzenediazonium; tetrachloro cuprate(II)

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
In dimethyl sulfoxide Ambient temperature;93%
LINDANE
58-89-9

LINDANE

A

1,3,5-trichlorobenzene
108-70-3

1,3,5-trichlorobenzene

B

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

C

1,2,3-trichlorobenzene
87-61-6

1,2,3-trichlorobenzene

Conditions
ConditionsYield
With ammonia at 25℃; Product distribution; Further Variations:; Reagents; Dehalogenation;A 5%
B 87%
C 8%
at 25℃; pH=8.32; Kinetics; Product distribution; Further Variations:; pH-values;
With (5,10,15,20-tetrakis(pentafluorophenyl)porphyrinato)iron(III) chloride; tetrabutylammonium perchlorate In N,N-dimethyl-formamide for 4h; Electrolysis;
3,4-dinitro-chlorobenzene
610-40-2

3,4-dinitro-chlorobenzene

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
With Dichlorophenylphosphine In various solvent(s) at 170℃; for 5h;86%
1,2,4,5-tetrachlorobenzene
95-94-3

1,2,4,5-tetrachlorobenzene

A

para-dichlorobenzene
106-46-7

para-dichlorobenzene

B

1,2-dichloro-benzene
95-50-1

1,2-dichloro-benzene

C

1,3-Dichlorobenzene
541-73-1

1,3-Dichlorobenzene

D

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
With carbon dioxide; tetrabutylammomium bromide In N,N-dimethyl-formamide at -5 - 0℃; Dehalogenation; Electrochemical reaction; Further byproducts given;A 9%
B 1%
C 2%
D 8%
With [2,2]bipyridinyl; nickel dichloride; zinc In water; N,N-dimethyl-formamide at 80℃; for 6h; Title compound not separated from byproducts;A 15.2 % Spectr.
B 5.8 % Spectr.
C 3.9 % Spectr.
D 66.0 % Spectr.
pyridine
110-86-1

pyridine

alpha-hexachlorocyclohexane
319-84-6

alpha-hexachlorocyclohexane

A

1,3,5-trichlorobenzene
108-70-3

1,3,5-trichlorobenzene

B

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

C

1,2,3-trichlorobenzene
87-61-6

1,2,3-trichlorobenzene

quinoline
91-22-5

quinoline

alpha-hexachlorocyclohexane
319-84-6

alpha-hexachlorocyclohexane

A

1,3,5-trichlorobenzene
108-70-3

1,3,5-trichlorobenzene

B

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

C

1,2,3-trichlorobenzene
87-61-6

1,2,3-trichlorobenzene

Conditions
ConditionsYield
at 105 - 110℃;
2,5 dichloroaniline
95-82-9

2,5 dichloroaniline

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
Diazotization;
ethanol
64-17-5

ethanol

delta-lindane
319-86-8

delta-lindane

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

A

1,3,5-trichlorobenzene
108-70-3

1,3,5-trichlorobenzene

B

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

C

1,2,3-trichlorobenzene
87-61-6

1,2,3-trichlorobenzene

Conditions
ConditionsYield
Product distribution;
ethanol
64-17-5

ethanol

LINDANE
58-89-9

LINDANE

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

A

1,3,5-trichlorobenzene
108-70-3

1,3,5-trichlorobenzene

B

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

C

1,2,3-trichlorobenzene
87-61-6

1,2,3-trichlorobenzene

Conditions
ConditionsYield
Product distribution;
ethanol
64-17-5

ethanol

beta-hexachlorocyclohexane
319-85-7

beta-hexachlorocyclohexane

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

A

1,3,5-trichlorobenzene
108-70-3

1,3,5-trichlorobenzene

B

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

C

1,2,3-trichlorobenzene
87-61-6

1,2,3-trichlorobenzene

Conditions
ConditionsYield
Product distribution;
ethanol
64-17-5

ethanol

alpha-hexachlorocyclohexane
319-84-6

alpha-hexachlorocyclohexane

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

A

1,3,5-trichlorobenzene
108-70-3

1,3,5-trichlorobenzene

B

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

C

1,2,3-trichlorobenzene
87-61-6

1,2,3-trichlorobenzene

Conditions
ConditionsYield
Product distribution;
1,2,3,4,5,6-hexachlorocyclohexane
608-73-1, 119911-70-5

1,2,3,4,5,6-hexachlorocyclohexane

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
With kieselguhr at 295℃;
With aluminium trichloride at 160℃;
With nickel diacetate at 305℃;
1,2,3,4,-tetrachlorobenzene
634-66-2

1,2,3,4,-tetrachlorobenzene

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
at 360 - 460℃; Leiten ueber Kupfer-Verbindungen enthaltende Katalysatoren;
at 300 - 400℃; Leiten ueber Palladium/Aluminiumoxid;
3,4-dichlorobenzenesulphonyl chloride
98-31-7

3,4-dichlorobenzenesulphonyl chloride

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
With phosphorus pentachloride at 200 - 210℃;
3-nitro-4-chlorobenzenesulfonic acid
121-18-6

3-nitro-4-chlorobenzenesulfonic acid

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
With thionyl chloride at 160 - 180℃; im Rohr;
With thionyl chloride at 160 - 180℃; im Rohr;
4-chloro-1,3-phenylenediamine
5131-60-2

4-chloro-1,3-phenylenediamine

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

2,5-dichlorobenzenesulfonic acid
88-42-6

2,5-dichlorobenzenesulfonic acid

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
With copper dichloride
2,3,6-trichlorobenzaldehyde
4659-47-6

2,3,6-trichlorobenzaldehyde

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

Conditions
ConditionsYield
With potassium hydroxide unter Stickstoff;
N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

2,3,6-trichlorobenzaldehyde
4659-47-6

2,3,6-trichlorobenzaldehyde

Conditions
ConditionsYield
Stage #1: 1,2,4-Trichlorobenzene With n-butyllithium In tetrahydrofuran
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at -65℃; for 1.5h;
100%
palladium on active charcoal

palladium on active charcoal

aluminium bromide (AlBr3)

aluminium bromide (AlBr3)

3,4,5-trichloroaniline
634-91-3

3,4,5-trichloroaniline

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

3,5-Dichloroaniline
626-43-7

3,5-Dichloroaniline

Conditions
ConditionsYield
With hydrogen100%
4,5-dichlorotetrahydrophthalic anhydride

4,5-dichlorotetrahydrophthalic anhydride

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

4,5-dichlorophthalic anhydride
942-06-3

4,5-dichlorophthalic anhydride

Conditions
ConditionsYield
99.6%
1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

phenylboronic acid
98-80-6

phenylboronic acid

1,2,4-triphenylbenzene
1165-53-3

1,2,4-triphenylbenzene

Conditions
ConditionsYield
With potassium phosphate; palladium bis(dibenzylideneacetone)palladium(0); catacxium A In toluene at 110℃; for 24h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;99%
With potassium phosphate; [NiCl(Ph2PCH2CH2OH)2(H2O)]Cl In isopropyl alcohol at 80℃; for 24h; Suzuki coupling reaction;58%
tert-butyl 2-hydroxyacetate

tert-butyl 2-hydroxyacetate

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

neopentyl 2,4-dichlorophenoxyacetate

neopentyl 2,4-dichlorophenoxyacetate

Conditions
ConditionsYield
Stage #1: tert-butyl 2-hydroxyacetate With potassium ethoxide at 70℃;
Stage #2: 1,2,4-Trichlorobenzene at 120℃;
99%
n-heptyl glycolate
5426-48-2

n-heptyl glycolate

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

n-heptyl 2,4-dichlorophenoxyacetate
1917-96-0

n-heptyl 2,4-dichlorophenoxyacetate

Conditions
ConditionsYield
Stage #1: n-heptyl glycolate With magnesium methanolate at 90℃;
Stage #2: 1,2,4-Trichlorobenzene at 140℃;
99%
di-n-hexyl glycolate
37160-54-6

di-n-hexyl glycolate

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

n-hexyl 2,4-dichlorophenoxyacetate
1917-95-9

n-hexyl 2,4-dichlorophenoxyacetate

Conditions
ConditionsYield
Stage #1: di-n-hexyl glycolate With calcium ethoxide at 80℃;
Stage #2: 1,2,4-Trichlorobenzene at 130℃;
98.7%
1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

1,2,4-tribromo-3,5,6-trichlorobenzene
13075-01-9

1,2,4-tribromo-3,5,6-trichlorobenzene

Conditions
ConditionsYield
With aluminum tri-bromide; bromine for 3h; Heating;98%
With aluminium trichloride; bromine
With bromine; iron at 134.84 - 139.84℃; for 1h;
With bromine; iron at 135℃; for 1h;
4-methoxyphenylboronic acid
5720-07-0

4-methoxyphenylboronic acid

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

4,4″-dimethoxy-4′-(4-methoxyphenyl)-1,1′:2′,1″-terphenyl
136612-96-9

4,4″-dimethoxy-4′-(4-methoxyphenyl)-1,1′:2′,1″-terphenyl

Conditions
ConditionsYield
With potassium phosphate; palladium bis(dibenzylideneacetone)palladium(0); catacxium A In toluene at 110℃; for 24h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;98%
trichlorofluoromethane
75-69-4

trichlorofluoromethane

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

2,4,5-trichloro-1-(trifluoromethyl)benzene
56148-83-5

2,4,5-trichloro-1-(trifluoromethyl)benzene

Conditions
ConditionsYield
With aluminium trichloride 1a) 8 h, r.t., 1b) 16 h, -10 deg C;97%
1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

2,4,5-Trichloronitrobenzene
89-69-0

2,4,5-Trichloronitrobenzene

Conditions
ConditionsYield
Stage #1: 1,2,4-Trichlorobenzene With sulfuric acid; potassium nitrate at 0 - 50℃; for 3h;
Stage #2: With sodium hydroxide In water at 0℃;
96%
With sodium nitrate; sulfuric acid at 40℃; for 3h;94%
With nitric acid In water at 0 - 20℃; for 3h;79%
With nitric acid
durch Nitrierung;
sodium dodecanethiolate
26960-77-0

sodium dodecanethiolate

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

1,2,4-tris(n-dodecylthio)benzene

1,2,4-tris(n-dodecylthio)benzene

Conditions
ConditionsYield
In various solvent(s) at 180℃; for 20h;96%
In various solvent(s) at 180℃; for 20h; Product distribution; Mechanism; var. temp.; var. solvents; other subst. chlorobenzenes; other thiolates;
2-Methoxyphenylboronic acid
5720-06-9

2-Methoxyphenylboronic acid

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

2,2″-dimethoxy-4'-(2-methoxyphenyl)-1,1':2′,1″-terphenyl
136612-97-0

2,2″-dimethoxy-4'-(2-methoxyphenyl)-1,1':2′,1″-terphenyl

Conditions
ConditionsYield
With potassium phosphate; palladium bis(dibenzylideneacetone)palladium(0); catacxium A In toluene at 110℃; for 24h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;95%
thiophene-2,5-dicarboxylic acid di-tert-butyl ester

thiophene-2,5-dicarboxylic acid di-tert-butyl ester

2-amino-4-tert-butylphenol
1199-46-8

2-amino-4-tert-butylphenol

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

A

2,5-bis[5-tert-butylbenzoxazolyl-(2')]thiophene

2,5-bis[5-tert-butylbenzoxazolyl-(2')]thiophene

B

tert-butyl alcohol
75-65-0

tert-butyl alcohol

Conditions
ConditionsYield
With boric acidA 94.1%
B n/a
1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

benzene
71-43-2

benzene

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal; Aliquat 336 In water at 50℃; for 0.5h;94%
With palladium on activated charcoal; hydrogen at 24.84℃; for 10h;70%
With Ni[1,10-phenanthroline]2(PF6)2; water; zinc at 70℃; for 7h; Ionic liquid;42.2%
4-tert-butylphenylboronic acid
123324-71-0

4-tert-butylphenylboronic acid

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

4,4″-di-tert-butyl-4′-(4-(tert-butyl)phenyl)-1,1′:2′,1″-terphenyl
1392481-12-7

4,4″-di-tert-butyl-4′-(4-(tert-butyl)phenyl)-1,1′:2′,1″-terphenyl

Conditions
ConditionsYield
With potassium phosphate; palladium bis(dibenzylideneacetone)palladium(0); catacxium A In toluene at 110℃; for 24h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;94%
3-methoxyphenylboronic acid
10365-98-7

3-methoxyphenylboronic acid

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

3,3''-dimethoxy-4'-(3-methoxyphenyl)-1,1':2',1''-terphenyl
639475-66-4

3,3''-dimethoxy-4'-(3-methoxyphenyl)-1,1':2',1''-terphenyl

Conditions
ConditionsYield
With potassium phosphate; palladium bis(dibenzylideneacetone)palladium(0); catacxium A In toluene at 110℃; for 24h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube;93%
1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

2,5-dichlorophenol
583-78-8

2,5-dichlorophenol

Conditions
ConditionsYield
With sodium ethanolate; sodium phenylsulfonate at 190℃; under 21752.2 Torr; for 10h; Reagent/catalyst; Temperature; Pressure; Autoclave; Inert atmosphere;92.6%
With sodium hydroxide In ethylene glycol at 180℃; for 3h; Temperature;70.4%
With sodium hydroxide at 180 - 190℃;
heptanethiol
1639-09-4

heptanethiol

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

A

diheptyldisulfide
10496-16-9

diheptyldisulfide

B

Heptyl 2,5-dichlorophenyl sulfide
89165-37-7

Heptyl 2,5-dichlorophenyl sulfide

Conditions
ConditionsYield
With potassium hydroxide; (Tricyclohexyl-n-dodecyl)phosphonium bromide In toluene at 50℃; for 3h;A n/a
B 92%
N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

A

2,4,5-trichlorobenzaldehyde
35696-87-8

2,4,5-trichlorobenzaldehyde

B

2,3,5-trichlorobenzaldehyde
56961-75-2

2,3,5-trichlorobenzaldehyde

Conditions
ConditionsYield
Stage #1: 1,2,4-Trichlorobenzene With n-butyllithium In tetrahydrofuran
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at -78 - 20℃; for 20h;
A 7%
B 92%
carbon dioxide
124-38-9

carbon dioxide

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

2,3,6-TBA
50-31-7

2,3,6-TBA

Conditions
ConditionsYield
Stage #1: carbon dioxide With AuOH(1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene); potassium hydroxide In tetrahydrofuran at 20℃; under 1125.11 Torr; for 0.25h;
Stage #2: 1,2,4-Trichlorobenzene In tetrahydrofuran at 20℃; under 1125.11 Torr; for 12h;
Stage #3: With hydrogenchloride In tetrahydrofuran; water regioselective reaction;
92%
1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

1,3-dichloro-4-fluorobenzene
1435-48-9

1,3-dichloro-4-fluorobenzene

Conditions
ConditionsYield
With potassium fluoride; 5,11,17,23,29,35-hexakis(tert-butyl)-37,38,39,40,41-hexakis(hydroxy)calix[6]arene In sulfolane at 185℃; for 5h; Reagent/catalyst; Temperature; Inert atmosphere; Sealed tube;92%
water
7732-18-5

water

N-methyl-N-[2-(2'-chlorophenyl)ethyl]-2-chloroethylamine hydrochloride
86129-53-5

N-methyl-N-[2-(2'-chlorophenyl)ethyl]-2-chloroethylamine hydrochloride

2-[[2-(2-chlorophenyl)ethyl](methyl)amino]ethanol
86129-52-4

2-[[2-(2-chlorophenyl)ethyl](methyl)amino]ethanol

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

SKF 86466
73943-10-9

SKF 86466

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; aluminium trichloride In toluene91%
phenylmagnesium bromide

phenylmagnesium bromide

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

1,2,4-triphenylbenzene
1165-53-3

1,2,4-triphenylbenzene

Conditions
ConditionsYield
With 1-[2-(diphenylphosphino)phenyl]ethanol; bis(acetylacetonate)nickel(II) In diethyl ether at 45℃; for 48h;89%
phenylmagnesium bromide
100-58-3

phenylmagnesium bromide

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

1,2,4-triphenylbenzene
1165-53-3

1,2,4-triphenylbenzene

Conditions
ConditionsYield
Stage #1: phenylmagnesium bromide; 1,2,4-Trichlorobenzene; 1-[2-(diphenylphosphino)phenyl]ethanol; bis(acetylacetonate)nickel(II) In diethyl ether at 45℃; for 48h;
Stage #2: With methanol In diethyl ether Product distribution / selectivity;
89%
sodium methylate
124-41-4

sodium methylate

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

2,5-dichloroanisole
1984-58-3

2,5-dichloroanisole

Conditions
ConditionsYield
In N,N,N,N,N,N-hexamethylphosphoric triamide at 120℃; for 1h;88%
at 180℃;
With methanol at 180℃;

120-82-1Related news

Contributions of different biomass components to the sorption of 1,2,4-Trichlorobenzene (cas 120-82-1) under a series of pyrolytic temperatures09/06/2019

In order to investigate contributions of cellulose (CEL), hemicellulose (HEM), lignin (LIG) to the sorption capacity of biochar derived from lignocellulose, the individual component and their artificially modeled biomass mixture (C-H-L) were pyrolyzed under oxygen-limited condition at various py...detailed

Regiochemical observations on the lithiation of 1,2,4-Trichlorobenzene (cas 120-82-1) and reaction with DMF and oxamide electrophiles in THF09/05/2019

Unusual regiochemistry is observed in the products arising from the reaction of lithiated 1,2,4-trichlorobenzene with N,N-dimethylformamide and tetraalkyloxamides.detailed

Catalytic hydrodechlorination of 1,2,4-Trichlorobenzene (cas 120-82-1) over Pd/Mg(Al)O catalysts09/04/2019

Catalytic hydrodechlorination (HDC) is an efficient way to remove chloride species from chlorinated hydrocarbons. Hydrodechlorination reaction of 1,2,4-trichlorobenzene was studied over a series of palladium (1 wt.%) catalysts supported on calcined Mg/Al hydrotalcite-like materials (HT) prepared...detailed

Biomineralisation of 1,2,4-Trichlorobenzene (cas 120-82-1) in soils by an adapted microbial population09/02/2019

In laboratory experiments the mineralisation of 14C-labelled 1,2,4-trichlorobenzene (1,2,4-TCB) in soils was studied by direct measurement of the evolved 14CO2. The degradation capacity of the indigenous microbial population was investigated in an agricultural soil and in a soil from a contamina...detailed

Natural attenuation of 1,2,4-Trichlorobenzene (cas 120-82-1) in shallow aquifer at the Luhuagang's landfill site, Kaifeng, China08/31/2019

The natural attenuation of 1,2,4-trichlorobenzene (1,2,4-TCB) in shallow aquifer was investigated at the Luhuagang's landfill site (LLS), where the subsoil and shallow aquifer have been contaminated by certain chemicals owning to a lack of protective structures and leachate collection syste...detailed

The degradation of 1,2,4-Trichlorobenzene (cas 120-82-1) using synthesized Co3O4 and the hypothesized mechanism08/30/2019

Co3O4 was synthesized with cabbage-like, plate-like and sphere-like morphologies. The effect of different morphologies on the degradation of 1,2,4-trichlorobenzene (1,2,4-TrCB) was evaluated, and the cabbage-like Co3O4 exhibited the highest reactivity. The degradation of 1,2,4-TrCB on the cabbag...detailed

Atline measurement of 1,2,4-Trichlorobenzene (cas 120-82-1) for polychlorinated dibenzo-p-dioxin and dibenzofuran International Toxic Equivalent Quantity prediction in the stack gas☆08/28/2019

A home-made analytical instrument based on thermal desorption gas chromatography coupled to resonance enhanced multiphoton ionization time-of-flight mass spectrometry (TD-GC-REMPI-TOFMS) was applied for atline measurement of 1,2,4-trichlorobenzene for the prediction of polychlorinated dibenzodio...detailed

120-82-1Relevant articles and documents

Catalytic Dehalogenation of Highly Chlorinated Benzenes and Aroclors Using PdCl2(dppf) and NaBH4: Efficiency, Selectivity, and Base Support

Lassová, Luisa,Lee, Hian Kee,Hor, T.S. Andy

, p. 3538 - 3543 (1998)

Reported herein is a convenient one-pot system that can dehalogenate highly chlorinated benzenes at room temperature with reasonable conversion rates using PdCl2(dppf) (dppf = 1,1′-bis-(diphenylphosphino)ferrocene) as catalyst, NaBH4 as reducing agent, TMEDA (N,N,N',N'-tetra-methyl-1,2-ethylenediamine) as supporting base, and THF as solvent. Total conversion of substrate to less chlorinated isomers is achieved within 200 h when hexachloro-, pentachloro-, and tetrachlorobenzenes are used. Degradation to benzene is not achievable, but the efficiency shown in the partial dechlorination is encouraging. A pronounced selectivity is accomplished with removal of meta-substituted chlorines being preferred over ortho- or para-substituted Cl atoms. The sequence in which reagents are added is also critical, thus indicating a protective role of the base. The effectiveness of the method was tested on the PCB mixtures Aroclor 1242, 1248, and 1254. Dechlorination efficiency at 67 °C is satisfactory.

Photoreductive dehalogenation of halogenated benzene derivatives using ZnS or CdS nanocrystallites as photocatalysts

Yin, Hengbo,Wada, Yuji,Kitamura, Takayuki,Yanagida, Shozo

, p. 227 - 231 (2001)

ZnS nanocrystallites (nc-ZnS) prepared in N,N-dimethylformamide (DMF) photocatalyze dehalogenation of halogenated benzenes to benzene as the final product from chlorinated benzenes and to difluorobenzenes from fluorinated benzenes in the presence of triethylamine (TEA) as an electron donor under UV light irradiation (λ > 300 nm). When CdS nanocrystallites (nc-CdS) are used as a photocatalyst (λ > 400 nm), halogenated benzenes are photoreductively dehalogenated, yielding trichlorobenzene from hexachlorobenzene and tetrafluorobenzene isomers from hexafluorobenzene as the final products. Photoformed electrons on nc-ZnS and nc-CdS have such negative reduction potentials that these electrons reduce polyhalogenated benzenes, leading to the successive dehalogenation. nc-ZnS exhibits higher photocatalytic activity than nc-CdS due to the more negative potential of the electrons on nc-ZnS than that on nc-CdS. The higher activities of nc-ZnS and nc-CdS compared to their bulk forms are explained as being due to their quantum size effects and the adsorptive interaction between the substrates and the nanosized photocatalysts. ZnS nanocrystallites (nc-ZnS) prepared in N,N-dimethylformamide (DMF) photocatalyze dehalogenation of halogenated benzenes to benzene as the final product from chlorinated benzenes and to difluorobenzenes from fluorinated benzenes in the presence of triethylamine (TEA) as an electron donor under UV light irradiation (λ>300 nm). When CdS nanocrystallites (nc-CdS) are used as a photocatalyst (λ>400 nm), halogenated benzenes are photoreductively dehalogenated, yielding trichlorobenzene from hexachlorobenzene and tetrafluorobenzene isomers from hexafluorobenzene as the final products. Photoformed electrons on nc-ZnS and nc-CdS have such negative reduction potentials that these electrons reduce polyhalogenated benzenes, leading to the successive dehalogenation. nc-ZnS exhibits higher photocatalytic activity than nc-CdS due to the more negative potential of the electrons on nc-ZnS than that on nc-CdS. The higher activities of nc-ZnS and nc-CdS compared to their bulk forms are explained as being due to their quantum size effects and the adsorptive interaction between the substrates and the nanosized photocatalysts.

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Kauer,DuVall,Alquist

, p. 1335,1336 (1947)

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PROCESS FOR THE PREPARATION OF ORGANIC HALIDES

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Paragraph 00143, (2017/08/01)

The present invention provides a halo-de-carboxylation process for the preparation of organic chlorides, organic bromides and mixtures thereof, from their corresponding carboxylic acids, using a chlorinating agent selected from trichloroisocyanuric acid (TCCA), dichloroisocyanuric acid (DCCA), or combination thereof, and a brominating agent.

Dicamba preparation process

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Paragraph 0051; 0052; 0053, (2017/04/03)

The invention belongs to the technical field of herbicide dicamba preparation and relates to a dicamba preparation process. The dicamba preparation process includes steps: taking benzene as a raw material to generate 1,2,4-trichlorobenzene through directional chlorination, catalysis, re-chlorination and rectification; hydrolyzing the 1,2,4-trichlorobenzene to generate a mixture of 2,5-dichlorophenol and 2,4-dichlorophenol, and separating and purifying to obtain 2,5-dichlorophenol; using the 2,5-dichlorophenol to prepare 3,6-dichlorosalicylic acid; subjecting the 3,6-dichlorosalicylic acid to methylation, saponification, acidification and the like to obtain dicamba. By optimization of technical steps and parameters, the whole dicamba preparation process has advantages of simplicity, low cost, high yield, high selectivity, remarkable reduction of wastewater and increase of equipment utilization rate.

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