ChemicalBook > CAS DataBase List > 5-Bromo-4-methyl-thiazol-2-amine

5-Bromo-4-methyl-thiazol-2-amine

Product Name: 5-Bromo-4-methyl-thiazol-2-amine
CAS No.: 3034-57-9
Chemical Name: 5-Bromo-4-methyl-thiazol-2-amine
Synonyms: 5-bromo-4-methyl-1,3-thiazol-2-amine;5-Bromo-4-methyl-2-thiazolamine;2-Amino-5-bromo-4-methylthiazole;2-ThiazolaMine, 5-broMo-4-Methyl-;(5-bromo-4-methyl-thiazol-2-yl)amine;2-Amino-5-bromo-4-methyl-1,3-thiazole
CBNumber: CB8947068
Molecular Formula: C4H5BrN2S
Formula Weight: 193.06
MOL File: 3034-57-9.mol

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5-Bromo-4-methyl-thiazol-2-amine Property

Melting point:: 105-108.5 °C (decomp)
Boiling point:: 298.3±20.0 °C(Predicted)
Density: 1.806±0.06 g/cm3(Predicted)
storage temp.: Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
solubility: DMSO (Sparingly)
form: Solid
pka: 4.55±0.10(Predicted)
color: Very Dark Brown

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Safety

Hazard Codes: Xi
Risk Statements: 41
Safety Statements: 26-39
HS Code: 2934100090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H318Causes serious eye damage

Precautionary statements

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

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

Sigma-Aldrich

Product number: SYX00305
Product name: 5-bromo-4-methyl-thiazol-2-amine
Packaging: 1g
Price: $185
Updated: 2025/07/31

TRC

Product number: B446575
Product name: 5-Bromo-4-methyl-2-thiazolamine
Packaging: 1g
Price: $45
Updated: 2021/12/16

Matrix Scientific

Product number: 069853
Product name: 5-Bromo-4-methyl-thiazol-2-amine
Purity: 98%
Packaging: 1g
Price: $65
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB126595
Product name: 5-Bromo-4-methyl-1,3-thiazol-2-amine
Packaging: 500mg
Price: $65
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB126595
Product name: 5-Bromo-4-methyl-1,3-thiazol-2-amine
Packaging: 1g
Price: $100
Updated: 2021/12/16

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5-Bromo-4-methyl-thiazol-2-amine Chemical Properties,Usage,Production

Uses

5-Bromo-4-methyl-1,3-thiazol-2-amine is used in the synthesis of poly(4-(p-alkoxystyryl)thiazole)s for solar cells.

Synthesis

1603-91-4

3034-57-9

Step 1: Synthesis of 2-amino-5-bromo-4-methylthiazole A solution of bromine in chloroform (consisting of 66.7 mL (1.30 mol) of Br2 in 1000 mL of CHCl3) was slowly added dropwise to 120 g (1.05 mol) of 2-amino-4-methylthiazole dissolved in 2300 mL of CHCl3 while stirring continuously. Precipitation generation was observed during the dropwise addition. The reaction mixture was stirred continuously at room temperature for 48 hours. Upon completion of the reaction, the reaction mixture was filtered and the solid product was collected. The solid product was washed sequentially with dichloromethane and pentane to remove impurities. Subsequently, hydrobromide was dissolved in 2000 mL of water and the pH was adjusted to alkaline by adding 850 mL of 10% aqueous sodium bicarbonate. The aqueous phase was extracted with dichloromethane and the organic phases were combined and dried with anhydrous sodium sulfate. After removing the solvent by distillation under reduced pressure, a brown crystalline product was obtained. Yield: 155 g (crude yield: 76%). Melting point: 112-113 °C. 1H NMR (δ ppm, DMSO): 2.05 (s, 3H, CH3); 7.15 (s, 2H, NH2).

References

[1] Patent: US5322846, 1994, A
[2] Chemische Berichte, 1939, vol. 72, p. 1470,1474
[3] Bulletin de la Societe Chimique de France, 1954, p. 1048,1052
[4] Patent: US2457078, 1944,
[5] Chemische Berichte, 1939, vol. 72, p. 1470,1474

5-Bromo-4-methyl-thiazol-2-amine Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 5-Bromo-4-methyl-thiazol-2-amine manufacturers

Career Henan Chemical Co

Product: 2-Amino-5-bromo-4-methylthiazole 3034-57-9
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 200kg
Release date: 2019-12-31

3034-57-9, 5-Bromo-4-methyl-thiazol-2-amineRelated Search:

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2-Amino-5-bromo-4-methylthiazole

2-Amino-5-bromo-4-methyl-1,3-thiazole

5-bromo-4-methyl-1,3-thiazol-2-amine

2-ThiazolaMine, 5-broMo-4-Methyl-

5-Bromo-4-methyl-2-thiazolamine

(5-bromo-4-methyl-thiazol-2-yl)amine

3034-57-9

Building Blocks

Thiazole

API intermediates