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5-Chlorobenzotriazole

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5-Chlorobenzotriazole Basic information

Product Name:
5-Chlorobenzotriazole
Synonyms:
  • 6-Chloro-1H-benzotriazole
  • 5-Chlorobenzotriazole,99%
  • 5-chlorophenyl and triazole
  • 5-chloro-1H-benzo[d][1,2,3]triazole
  • 5-chloro-1h-benzotriazol
  • 5-chloro-1H-Benzotriazole
  • LABOTEST-BB LT00440766
  • 5-Chlorobenzotriazole,98%
CAS:
94-97-3
MF:
C6H4ClN3
MW:
153.57
EINECS:
202-378-4
Product Categories:
  • BenzotriazolesHeterocyclic Building Blocks
  • Benzotriazoles
  • Heterocycles
  • Building Blocks
  • Halogenated Heterocycles
  • Heterocyclic Building Blocks
  • J's
Mol File:
94-97-3.mol
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5-Chlorobenzotriazole Chemical Properties

Melting point:
157-159 °C (lit.)
Boiling point:
252.42°C (rough estimate)
Density 
1.3647 (rough estimate)
refractive index 
1.7200 (estimate)
solubility 
DMSO (Slightly), Methanol (Slightly)
pka
7.46±0.40(Predicted)
form 
powder to crystal
color 
White to Orange to Green
Water Solubility 
SOLUBLE IN HOT WATER
CAS DataBase Reference
94-97-3(CAS DataBase Reference)
EPA Substance Registry System
1H-Benzotriazole, 5-chloro- (94-97-3)
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Safety Information

Hazard Codes 
Xn,Xi
Risk Statements 
22-37
Safety Statements 
24/25
WGK Germany 
3
HS Code 
29339900

MSDS

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5-Chlorobenzotriazole Usage And Synthesis

Chemical Properties

OFF-WHITE POWDER

Uses

5-Chlorobenzotriazole is a good inhibitor; it decreases anodic and cathodic reaction rates, and the highest inhibition efficiency was 91.2%. The inhibitory effect of 5-chlorobenzotriazole is explained by the formation of the layer on the copper surface.

Preparation

4-Chloro-2-nitroaniline is used as raw material to produce 4-chloro-1,2-phenylenediamine by reduction of iron powder in acidic medium, and the latter is diazotized and cyclized to obtain 5-chlorobenzotriazole. The yield is 78%.

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