ChemicalBook > CAS DataBase List > 5-BROMO-2-METHYLBENZOTHIAZOLE

5-BROMO-2-METHYLBENZOTHIAZOLE

Product Name: 5-BROMO-2-METHYLBENZOTHIAZOLE
CAS No.: 63837-11-6
Chemical Name: 5-BROMO-2-METHYLBENZOTHIAZOLE
Synonyms: 5-broMo-2-Methylbenzo[d]thiazole;Benzothiazole, 5-bromo-2-methyl-;5-BROMO-2-METHYLBENZ;Bromomethylbenzothiazole;5-Bromo-2-methybenzothiazole;2-METHYL-5-BROMOBENZOTHIAZOLE;5-BROMO-2-METHYLBENZOTHIAZOLE;5-BroMo-2-Mehyl benzothiazole;8-Quinolinol magnesium complex;5-Bromo-2-methyl-1,3-benzthiazole
CBNumber: CB6389697
Molecular Formula: C8H6BrNS
Formula Weight: 228.11
MOL File: 63837-11-6.mol

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5-BROMO-2-METHYLBENZOTHIAZOLE Property

Melting point:: 79°C
Boiling point:: 170 °C / 10mmHg
Density: 1.644±0.06 g/cm3(Predicted)
storage temp.: Inert atmosphere,2-8°C
pka: 1.14±0.10(Predicted)
form: powder to crystal
color: White to Orange to Green
InChI: InChI=1S/C8H6BrNS/c1-5-10-7-4-6(9)2-3-8(7)11-5/h2-4H,1H3
InChIKey: OLQKNZNXLBILDD-UHFFFAOYSA-N
SMILES: S1C2=CC=C(Br)C=C2N=C1C
CAS DataBase Reference: 63837-11-6(CAS DataBase Reference)

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Safety

Hazard Codes: Xn
Risk Statements: 36/37/38-22
Safety Statements: 26-36/37/39
WGK Germany: 3
HS Code: 2934208090

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 761753
Product name: 5-Bromo-2-methylbenzothiazole
Purity: 95%
Packaging: 1g
Price: $75
Updated: 2023/06/20

TCI Chemical

Product number: B1798
Product name: 5-Bromo-2-methylbenzothiazole
Purity: >98.0%(GC)
Packaging: 5g
Price: $113
Updated: 2024/03/01

TCI Chemical

Product number: B1798
Product name: 5-Bromo-2-methylbenzothiazole
Purity: >98.0%(GC)
Packaging: 25g
Price: $393
Updated: 2021/12/16

TRC

Product number: B697080
Product name: 5-Bromo-2-methylbenzothiazole
Packaging: 1g
Price: $75
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB75858
Product name: 5-Bromo-2-methylbenzothiazole
Packaging: 5G
Price: $70
Updated: 2021/12/16

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5-BROMO-2-METHYLBENZOTHIAZOLE Chemical Properties,Usage,Production

Chemical Properties

Light yellow solid

Synthesis

32770-99-3

63837-11-6

Step A: Sodium nitrite (0.9 g, 13 mmol) was added in batches to a suspension of 2-methyl-5-aminobenzothiazole dihydrochloride (2.0 g, 8 mmol) in hydrobromic acid (24 ml) at 0 °C. The resulting mixture was slowly added dropwise to a solution of copper (I) bromide (4.0 g, 14 mmol) in hydrobromic acid (50 ml) at 0°C. The reaction mixture was stirred continuously at 0 °C for 2 h before the reaction was terminated by the addition of water. The pH of the reaction mixture was adjusted to 9 with aqueous ammonium hydroxide and subsequently extracted with ethyl acetate. The organic layers were combined, dried with magnesium sulfate and purified by column chromatography (eluent ratio 9:1 heptane/ethyl acetate) to afford the target product 2-methyl-5-bromobenzothiazole (1.0 g, 52% yield, 82% GC purity). The structure of the product was confirmed by 1H NMR (300 MHz, DMSO-d6): δ 8.12 (d, J=1.8 Hz, 1H), 8.02 (dd, J=8.4,1.5 Hz, 1H), 7.56 (dd, J=8.7,2.1 Hz, 1H), 2.81 (s, 3H).

References

[1] Patent: US2006/52378, 2006, A1. Location in patent: Page/Page column 108

5-BROMO-2-METHYLBENZOTHIAZOLE Preparation Products And Raw materials

Raw materials

Preparation Products

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5-BROMO-2-METHYLBENZOTHIAZOLE Suppliers

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View Lastest Price from 5-BROMO-2-METHYLBENZOTHIAZOLE manufacturers

Career Henan Chemical Co

Product: 5-BROMO-2-METHYLBENZOTHIAZOLE 63837-11-6
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: Customized
Release date: 2019-05-24

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63837-11-6