ChemicalBook > CAS DataBase List > 2,7-Dichlorobenzothiazole

2,7-Dichlorobenzothiazole

Product Name
2,7-Dichlorobenzothiazole
CAS No.
2942-23-6
Chemical Name
2,7-Dichlorobenzothiazole
Synonyms
2,7-Dichlor-benzthiazol;2,7-DICHLORO BENZOTHIAZOLE;2,7-Dichlorobenzo[d]thiazole;Benzothiazole, 2,7-dichloro-;2,7-Dichloro-1,3-benzothiazole;Benzothiazole, 2,7-dichloro- (7CI,8CI,9CI)
CBNumber
CB0836593
Molecular Formula
C7H3Cl2NS
Formula Weight
204.08
MOL File
2942-23-6.mol
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2,7-Dichlorobenzothiazole Property

Boiling point:
286.8±13.0 °C(Predicted)
Density 
1.567±0.06 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
-1.49±0.30(Predicted)
Appearance
White to off-white Solid
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Safety

HS Code 
29342000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC
Product number
D439845
Product name
2,7-Dichlorobenzo[d]thiazole
Packaging
50mg
Price
$90
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD151896
Product name
2,7-Dichlorobenzothiazole
Packaging
50mg
Price
$59
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD151896
Product name
2,7-Dichlorobenzothiazole
Packaging
100mg
Price
$103
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD151896
Product name
2,7-Dichlorobenzothiazole
Packaging
250mg
Price
$205
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD151896
Product name
2,7-Dichlorobenzothiazole
Packaging
500mg
Price
$360
Updated
2021/12/16
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2,7-Dichlorobenzothiazole Chemical Properties,Usage,Production

Synthesis

1849-73-6

2942-23-6

General procedure for the synthesis of 2,7-dichlorobenzo[d]thiazole from 7-chlorobenzo[d]thiazole-2(3H)-thione: General method: a mixture of 7-chlorobenzo[d]thiazole-2(3H)-thione (>1 g, 1 eq.) and sulfuryl chloride (10 eq.) was stirred at 20-25 °C for 15 min. Subsequently, water (2 eq.) was added and stirring was continued for 3 hours at 20-25 °C. During the reaction, the sample was removed, quenched with acetonitrile/water (2:1) and analyzed by high performance liquid chromatography (HPLC). Upon completion of the reaction, the mixture was diluted with acetonitrile (5 v/v) and the reaction was quenched by slowly adding water (20 v/v). The product precipitated from the aqueous solution and the solid was collected and washed with distilled water. Finally, the solid was dried under vacuum to give pure 2,7-dichlorobenzo[d]thiazole. For the liquid product 2-chlorobenzo[d]thiazole (13), the reaction mixture was extracted with ethyl acetate and the organic layer was dried and concentrated to give an oily product.

References

[1] Synthesis (Germany), 2018, vol. 50, # 10, p. 2027 - 2032
[2] Journal of Heterocyclic Chemistry, 2005, vol. 42, # 4, p. 727 - 730
[3] Gazzetta Chimica Italiana, 1965, vol. 95, p. 490 - 498

2,7-Dichlorobenzothiazole Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2,7-Dichlorobenzothiazole manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Product
2,7-Dichlorobenzo[d]thiazole 2942-23-6
Price
US $3.00-9.00/KG
Min. Order
0.1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2025-06-27
Honest Joy Holdings Limited
Product
2,7-Dichlor-benzthiazol 2942-23-6
Price
US $0.00/KG
Min. Order
1KG
Purity
98.0%
Supply Ability
100 tons
Release date
2022-01-14

2942-23-6, 2,7-DichlorobenzothiazoleRelated Search:

Quinclorac 2-Chlorobenzothiazole Dichloroethane 1,2-Dichloroethane N,N-Dimethylacetamide 6-Bromo-2-chlorobenzothiazole 5-BROMO-2-CHLOROBENZOTHIAZOLE 2,2'-Dithiobis(benzothiazole) Sodium dichloroisocyanurate 2-Mercaptobenzothiazole Thionyl chloride Benzothiazole 2,5,7-TRICHLOROBENZOTHIAZOLE 2,7-DICHLORO-4-METHYL-1,3-BENZOTHIAZOLE 2,7-DICHLORO-4-NITROBENZOTHIAZOLE 2,4,7-TRICHLORO-1,3-BENZOTHIAZOLE 2,7-Dichlorobenzothiazole 2,4,6,7-TETRACHLOROBENZOTHIAZOLE

  • 2,7-DICHLORO BENZOTHIAZOLE
  • Benzothiazole, 2,7-dichloro- (7CI,8CI,9CI)
  • 2,7-Dichlorobenzo[d]thiazole
  • 2,7-Dichlor-benzthiazol
  • 2,7-Dichloro-1,3-benzothiazole
  • Benzothiazole, 2,7-dichloro-
  • 2942-23-6
  • BENZOTHIAZOLE