ChemicalBook > CAS DataBase List > 3-BROMO-4,5-DIMETHYLPYRIDINE

3-BROMO-4,5-DIMETHYLPYRIDINE

Product Name
3-BROMO-4,5-DIMETHYLPYRIDINE
CAS No.
27063-98-5
Chemical Name
3-BROMO-4,5-DIMETHYLPYRIDINE
Synonyms
5-Bromo-3.4-dimethylpyridine;3-BROMO-4,5-DIMETHYLPYRIDINE;Pyridine, 3-bromo-4,5-dimethyl-;3-BROMO-4,5-DIMETHYLPYRIDINE ISO 9001：2015 REACH;3-bromo-4,5-dimethylpyridine3-bromo-4,5-dimethylpyridine
CBNumber
CB32465116
Molecular Formula
C7H8BrN
Formula Weight
186.05
MOL File
27063-98-5.mol
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3-BROMO-4,5-DIMETHYLPYRIDINE Property

Melting point:
33-34 °C
Boiling point:
38 °C(Press: 40 Torr)
Density 
1.415±0.06 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
form 
solid
pka
3.82±0.28(Predicted)
color 
White to off-white
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Safety

HS Code 
2933399990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

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

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

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N-Bromosuccinimide Price

TRC
Product number
B691768
Product name
3-Bromo-4,5-dimethylpyridine
Packaging
100mg
Price
$65
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB55777
Product name
3-Bromo-4,5-dimethylpyridine
Packaging
50mg
Price
$85.5
Updated
2021/12/16
Apolloscientific
Product number
OR930390
Product name
3-Bromo-4,5-dimethylpyridine
Purity
97%
Packaging
250mg
Price
$130
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB55777
Product name
3-Bromo-4,5-dimethylpyridine
Packaging
100mg
Price
$137
Updated
2021/12/16
Biosynth Carbosynth
Product number
FB55777
Product name
3-Bromo-4,5-dimethylpyridine
Packaging
250mg
Price
$172.5
Updated
2021/12/16
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3-BROMO-4,5-DIMETHYLPYRIDINE Chemical Properties,Usage,Production

Synthesis

583-58-4

27063-98-5

Under nitrogen protection and room temperature, 3,4-dimethylpyridine (5.0 g, 46.6 mmol) was dissolved in concentrated sulfuric acid (50.0 mL). Subsequently, N-bromosuccinimide (9.31 g, 51.32 mmol) was added in batches. The reaction mixture was heated to 60 °C and stirred for 18 hours. After completion of the reaction, the mixture was cooled to room temperature, slowly poured into ice-cold water and the pH was adjusted to alkaline with 10% sodium hydroxide solution. The aqueous phase was extracted with ethyl acetate (3 x 50 mL). The organic phases were combined, washed with saturated saline, dried over anhydrous sodium sulfate and concentrated under reduced pressure to give the crude product. The crude product was purified by silica gel column chromatography (100-200 mesh) to afford 3,4-dimethyl-5-bromopyridine (0.8 g, 9.3% yield) using 5% ethyl acetate in hexane solution as eluent. Mass spectrum (ESI) m/z: 186.0 [M(79Br)+H]+, 188.0 [M(81Br)+H]+; nuclear magnetic resonance hydrogen spectrum (1H NMR, CDCl3): δ 2.31 (s, 3H), 2.36 (s, 3H), 8.23 (s, 1H), 8.51 (s, 1H).

References

[1] Tetrahedron, 1998, vol. 54, # 10, p. 2275 - 2280
[2] Patent: WO2016/21742, 2016, A1. Location in patent: Paragraph 0280; 0281
[3] Patent: WO2007/14913, 2007, A1. Location in patent: Page/Page column 99-100
[4] Patent: WO2007/45588, 2007, A1. Location in patent: Page/Page column 117
[5] Patent: WO2012/148808, 2012, A1. Location in patent: Page/Page column 47

3-BROMO-4,5-DIMETHYLPYRIDINE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 3-BROMO-4,5-DIMETHYLPYRIDINE manufacturers

Zibo Hangyu Biotechnology Development Co., Ltd
Product
3-BROMO-4,5-DIMETHYLPYRIDINE 27063-98-5
Price
US $70.00-700.00/kg
Min. Order
10kg
Purity
0.99
Supply Ability
20tons
Release date
2023-11-13
Dideu Industries Group Limited
Product
3-BROMO-4,5-DIMETHYLPYRIDINE 27063-98-5
Price
US $1.10/g
Min. Order
1g
Purity
99.00%
Supply Ability
100 Tons min
Release date
2021-08-24
Shaanxi Dideu Medichem Co. Ltd
Product
3-Bromo-4,5-dimethylpyridine 27063-98-5
Price
US $0.00-0.00/Kg
Min. Order
1KG
Purity
99.0%
Supply Ability
500 MT
Release date
2020-05-12

27063-98-5, 3-BROMO-4,5-DIMETHYLPYRIDINERelated Search:


  • 3-BROMO-4,5-DIMETHYLPYRIDINE
  • Pyridine, 3-bromo-4,5-dimethyl-
  • 3-BROMO-4,5-DIMETHYLPYRIDINE ISO 9001：2015 REACH
  • 3-bromo-4,5-dimethylpyridine3-bromo-4,5-dimethylpyridine
  • 5-Bromo-3.4-dimethylpyridine
  • 27063-98-5