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3-Bromo-2-methylpyridine

3-Bromo-2-methylpyridine structure

CAS No:
38749-79-0
Formula:
C6H6BrN
Chemical Name:
3-Bromo-2-methylpyridine
Synonyms:
3-BROMO-2-METHYLPYRIDINE;3-BROMO-2-PICOLINE;2-METHYL-3-BROMOPYRIDINE;Pyridine, 3-bromo-2-methyl-;3-bromo-2-methylpridine;3-Bromo-5-fluoro-2-methoxypyrdine 2-METHYL-3-BROMOPYRIDINE 98+%;3-BROMO-2-METHYLPYRIDINE (3-BROMO-2-PICOLINE)
Categories:
Pharmaceutical Intermediates > Heterocyclic Compound

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Description

colorless liquid

3-Bromo-2-methylpyridine Basic Attributes

Molecular Weight：

172.02

Exact Mass：

170.968353

EC Number：

-0

DSSTox ID：

DTXSID50360868

HScode：

2933399090

Characteristics

PSA：

12.9

XLogP3：

1.9

Appearance：

Clear, colorless to brown Liquid

Density：

1.5±0.1 g/cm3

Boiling Point：

76°C/17mm

Flash Point：

174°F

Refractive Index：

1.553

Safety Information

Hazard category：

IRRITANT

wgk germany：

hazard class code：

22-37/38-41-36/37/38-20/21/22

safety instructions：

26-36/39-36-36/37/39

Marks：

Xn,Xi

Hazard note：

Irritant

Precautionary statement(s)：

P261-P280-P305 + P351 + P338

Hazard Statements：

H302-H315-H318-H335

GHS Classification：

|Danger|H302 (95.65%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 46 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

3-Bromo-2-methylpyridine Use and Manufacturing

Methods of Manufacturing

Reference Example 182 3-bromo-2-methylpyridine; 2-Methylpyridine (46.6 g) was added dropwise to aluminum chloride (200 g) and the mixture was stirred at 100° C. To a mixture was added dropwise bromine (40.0 g) at the same temperature over 1 hr, and the mixture was further stirred for 30 min. After cooling, the reaction mixture was poured into ice water, concentrated hydrochloric acid was added until the mixture was acidified. The obtained solution was washed with ethyl acetate, and the aqueous layer was basified with a 8 mol/L aqueous sodium hydroxide solution. After extraction with diethyl ether, the extract was washed with saturated brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: hexane-diethyl ether=10:1) to give the title compound as a colorless oil (yield 5.09 g, 12percent).

Uses

It can be converted into the corresponding pyridine formaldehyde by NBS geminal dibromation reaction and subsequent hydrolysis reaction initiated by peroxide.

Computed Properties

Molecular Weight:172.02
XLogP3:1.9
Hydrogen Bond Acceptor Count:1
Exact Mass:170.96836
Monoisotopic Mass:170.96836
Topological Polar Surface Area:12.9
Heavy Atom Count:8
Complexity:74.9
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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3-Bromo-2-methylpyridine

CAS No.: 38749-79-0

Grade: Industrial Grade

Content: 99%

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CAS No.: 38749-79-0

Grade: Pharmaceutical Grade

Content: 99%

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3-Bromo-2-methylpyridine 99% Clear, colorless to brown liquid Pharm Intermediate Greenbo

CAS No.: 38749-79-0

Grade: Pharmaceutical Grade

Content: 99%

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Guide of 3-Bromo-2-methylpyridine

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
Learn More Other Chemicals

3-Bromo-2-methylpyridine

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