ChemicalBook > CAS DataBase List > 2-Benzothiazolamine,7-chloro-(9CI)

2-Benzothiazolamine,7-chloro-(9CI)

Product Name: 2-Benzothiazolamine,7-chloro-(9CI)
CAS No.: 20358-01-4
Chemical Name: 2-Benzothiazolamine,7-chloro-(9CI)
Synonyms: 2-Amino-7-chlor-benzthiazol;2-Amino-7-chlorobenzothiazol;7-Chlorobenzothiazol-2-amine;2-Amino-7-chlorobenzothiazole;2-Benzothiazolamine, 7-chloro-;7-Chloro-benzothiazol-2-ylamine;7-Chlorobenzo[d]thiazol-2-aMine;7-Chlorobenzo[d]thiazole-2-amine;7-Chloro-1,3-benzothiazol-2-amine;2-Benzothiazolamine,7-chloro-(9CI)
CBNumber: CB41301416
Molecular Formula: C7H5ClN2S
Formula Weight: 184.65
MOL File: 20358-01-4.mol

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2-Benzothiazolamine,7-chloro-(9CI) Property

Melting point:: 177-178 °C(Solv: ethanol (64-17-5))
Boiling point:: 344.3±34.0 °C(Predicted)
Density: 1.532±0.06 g/cm3(Predicted)
storage temp.: RT, protect from light
pka: 2.68±0.30(Predicted)
Appearance: Light yellow to light brown 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

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

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.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC

Product number: C651813
Product name: 7-Chlorobenzo[d]thiazol-2-amine
Packaging: 100mg
Price: $90
Updated: 2021/12/16

AK Scientific

Product number: 0436AB
Product name: 7-Chlorobenzo[d]thiazol-2-amine
Packaging: 1g
Price: $366
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: HCH0105568
Product name: 7-CHLORO-BENZOTHIAZOL-2-YLAMINE
Purity: 96.00%
Packaging: 50MG
Price: $716.1
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: HCH0105568
Product name: 7-CHLORO-BENZOTHIAZOL-2-YLAMINE
Purity: 96.00%
Packaging: 500MG
Price: $1686.3
Updated: 2021/12/16

Ambeed

Product number: A156019
Product name: 7-Chlorobenzo[d]thiazol-2-amine
Purity: 97%
Packaging: 100mg
Price: $58
Updated: 2021/12/16

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2-Benzothiazolamine,7-chloro-(9CI) Chemical Properties,Usage,Production

Synthesis

4947-89-1

20358-00-3

20358-01-4

General procedure for the synthesis of 2-amino-5-chlorobenzothiazole and 7-chlorobenzo[d]thiazol-2-amine from 3-chlorobenzothiourea: 3-chlorobenzothiourea (105 mg, 0.56 mmol) was dissolved in 10 mL of acetic acid. Benzyltrimethylammonium tribromide (329 mg, 0.84 mmol) was added and the reaction mixture was stirred at room temperature for 14 hours. After completion of the reaction, the acetic acid was removed by distillation under reduced pressure. The residue was redissolved in 15 mL of dichloromethane (DCM) and 10 mL of 0.5 N aqueous sodium hydroxide was added. The aqueous phase was extracted with dichloromethane (2 x 15 mL). The organic layers were combined, filtered through a phase separator and concentrated under reduced pressure to remove the solvent. The crude product was purified by fast column chromatography using pentane-ethyl acetate (12:5) as eluent to afford the target product 2-amino-5-chlorobenzothiazole (61 mg, 59% yield) as a white solid. The structure of the product was analyzed by 1H NMR (500 MHz, CD3OD) δ 7.05 (dd, J = 8.4, 2.0 Hz, 1H), 7.35 (d, J = 2.0 Hz, 1H), 7.53 (d, J = 8.4 Hz, 1H); 13C NMR (125 MHz, CD3OD) δ 117.41, 121.45, 121.60 129.37, 131.55, 153.24, 170.04; Mass Spectrometry (ESI): m/z 185 [M + H]+ confirmed.

References

[1] Bioorganic and Medicinal Chemistry Letters, 2012, vol. 22, # 14, p. 4839 - 4843
[2] Yakugaku Zasshi, 1957, vol. 77, p. 649,651
[3] Chem.Abstr., 1957, p. 16435

2-Benzothiazolamine,7-chloro-(9CI) Preparation Products And Raw materials

Raw materials

Preparation Products

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