ChemicalBook > CAS DataBase List > 2-Chloro-3-methyl-5-bromopyridine

2-Chloro-3-methyl-5-bromopyridine

Product Name
2-Chloro-3-methyl-5-bromopyridine
CAS No.
29241-60-9
Chemical Name
2-Chloro-3-methyl-5-bromopyridine
Synonyms
5-BROMO-2-CHLORO-3-METHYLPYRIDINE;Ozenoxacin Impurity 3;5-BROMO-2-CHLORO-3-PICOLINE;2-CHLORO-5-BROMO-3-PICOLINE;5-Bromo-2-chloro-3-picoline,98%;2-Chloro-3-methyl-5-bromopyridin;2-Chloro-5-bromo-3-methylpyridine;2-CHLORO-3-METHYL-5-BROMO PYRIDINE;2-chlorine-3-methyl-5-Bromopyridine;Pyridine, 5-bromo-2-chloro-3-methyl-
CBNumber
CB7467789
Molecular Formula
C6H5BrClN
Formula Weight
206.47
MOL File
29241-60-9.mol
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2-Chloro-3-methyl-5-bromopyridine Property

Melting point:
40-44 °C
Boiling point:
78°C/3mmHg(lit.)
Density 
1.6567 (rough estimate)
refractive index 
1.5400 (estimate)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
-1?+-.0.10(Predicted)
form 
Solid
color 
White to Almost white
CAS DataBase Reference
29241-60-9(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36/37/39-37/39
HazardClass 
IRRITANT
HS Code 
29333990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P405Store locked up.

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N-Bromosuccinimide Price

TCI Chemical
Product number
B3744
Product name
5-Bromo-2-chloro-3-methylpyridine
Purity
>98.0%(GC)
Packaging
5g
Price
$54
Updated
2025/07/31
TCI Chemical
Product number
B3744
Product name
5-Bromo-2-chloro-3-methylpyridine
Purity
>98.0%(GC)
Packaging
25g
Price
$169
Updated
2025/07/31
TRC
Product number
B682773
Product name
5-Bromo-2-chloro-3-picoline
Packaging
250mg
Price
$55
Updated
2021/12/16
TRC
Product number
B682773
Product name
5-Bromo-2-chloro-3-picoline
Packaging
1g
Price
$75
Updated
2021/12/16
Frontier Specialty Chemicals
Product number
B13011
Product name
5-Bromo-2-chloro-3-methylpyridine
Purity
98%
Packaging
5g
Price
$10
Updated
2021/12/16
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2-Chloro-3-methyl-5-bromopyridine Chemical Properties,Usage,Production

Chemical Properties

white to light beige crystalline powder

Synthesis

89488-30-2

29241-60-9

Example 11B Synthesis of 5-bromo-2-chloro-3-methylpyridine: The product of Example 11A, 5-bromo-3-methylpyridin-2-one (4.1 g, 22.18 mmol), was dissolved in DMF (40 mL) and phosphoryl chloride (10 g, 65.4 mmol) was added drop-wise at 0 °C. The reaction mixture was heated at 120 °C for 2 hours. Upon completion of the reaction, the mixture was cooled to room temperature and carefully poured into an ice/water mixture. The mixture was adjusted to alkaline with NH4OH, the precipitate was collected by filtration and the filter cake was washed with ice water. The resulting solid was dissolved in dichloromethane (100 mL), the organic layer was washed with brine and dried with anhydrous MgSO4. The dried solution was filtered through a silica pad and the filtrate was concentrated to give 2-chloro-3-methyl-5-bromopyridine as a white solid (3.48 g, 78% yield). The product was characterized by 1H NMR (CDCl3, 300MHz): δ 2.39 (s, 3H), 7.70 (m, 1H), 8.31 (d, J = 3Hz, 1H).

References

[1] Patent: US2002/19388, 2002, A1
[2] Patent: EP1428824, 2004, A1. Location in patent: Page 49

2-Chloro-3-methyl-5-bromopyridine Preparation Products And Raw materials

Raw materials

2-Amino-3-picoline Sodium nitrite Copper(I) chloride Bromine Acetic acid

Preparation Products

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View Lastest Price from 2-Chloro-3-methyl-5-bromopyridine manufacturers

Shaanxi Dideu New Materials Co. Ltd
Product
2-Chloro-3-methyl-5-bromopyridine 29241-60-9
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98.0%
Supply Ability
10000KGS
Release date
2025-05-30
WUHAN FORTUNA CHEMICAL CO., LTD
Product
2-Chloro-3-methyl-5-bromopyridine 29241-60-9
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
100kg
Release date
2021-11-18
Wuhan Fortuna Chemical Co.,Ltd
Product
2-Chloro-3-methyl-5-bromopyridine 29241-60-9
Price
US $0.00-0.00/g
Min. Order
10g
Purity
98%
Supply Ability
5000g
Release date
2024-08-10

29241-60-9, 2-Chloro-3-methyl-5-bromopyridineRelated Search:

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