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5-Chloro-2-mercaptobenzothiazole

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5-Chloro-2-mercaptobenzothiazole Basic information

Product Name:
5-Chloro-2-mercaptobenzothiazole
Synonyms:
  • 5-Chloro-2-mercaptobenzothiazine
  • 5-Chloro-2-benzothiazolethiol, CMBT
  • 2(3H)-Benzothiazolethione, 5-chloro-
  • 5-Chloro-3H-1,3-benzothiazole-2-thione
  • Benzothiazole, 5-chloro-2-mercapto
  • 5-Chloro-2(3H)-benzothiazolethione
  • 5-Chloro-2-mercaptobenzothiazole,90%
  • 5-Chloro-2-mercaptobenzothiazole,98%
CAS:
5331-91-9
MF:
C7H4ClNS2
MW:
201.7
EINECS:
226-235-0
Product Categories:
  • BENZOTHIAZOLE
  • Oxazole&Isoxazole
Mol File:
5331-91-9.mol
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5-Chloro-2-mercaptobenzothiazole Chemical Properties

Melting point:
198-200 °C(lit.)
Boiling point:
333.2±44.0 °C(Predicted)
Density 
1.4472 (rough estimate)
refractive index 
1.6000 (estimate)
storage temp. 
2-8°C
form 
powder to crystal
pka
8.88±0.20(Predicted)
color 
White to Yellow to Green
CAS DataBase Reference
5331-91-9(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38-37/38-36
Safety Statements 
26-37-36-24/25
WGK Germany 
3
RTECS 
DL6490000
HS Code 
29342000

MSDS

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5-Chloro-2-mercaptobenzothiazole Usage And Synthesis

Chemical Properties

LIGHT YELLOW TO YELLOW-GREEN GRANULAR POWDER

Uses

5-Chloro-2-mercaptobenzothiazole (CMBZT) has been used in the analysis of lipopolysaccharide by negative-ion matrix-assisted laser desorption ionization-time of flight mass spectrometry. It has been used in the synthesis of the new mixed ligand silver(I) chloride complex with the heterocyclic thioamide CMBZT and tri(p-tolyl)phosphine. Found to be more sensitive than DHB for analysis of high mannose N-linked glycans. Used in analysis of peptidoglycan muropeptides.

General Description

5-Chloro-2-mercaptobenzothiazole(CMBZT) reacts with iodine in a molar ratio of 1:1 to form charge-transfer complex (CMBZT)I2.

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