CAS No.30766-03-1,4-Bromopyridine-2-carboxylic acid Suppliers

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Basic Information

Molecular Structure:
CAS No.:	30766-03-1
Name:	4-Bromopyridine-2-carboxylic acid
Article Data:	11

Formula:	C₆H₄BrNO₂
Molecular Weight:	202.007
Synonyms:	4-Bromopicolinic acid;
EINECS:	-0
Density:	1.813 g/cm³
Melting Point:	172-174 °C
Boiling Point:	347.8 °C at 760 mmHg
Flash Point:	164.2 °C
Solubility:	Sparingly soluble in dimethyl sulfoxide , methanol and water.
Appearance:	Fine needles
Hazard Symbols:	Xi
Risk Codes:	Xi:; "> Xi:;
Safety:	24/25-36/37
PSA:	50.19000
LogP:	1.54230

Synthetic route

: 22282-99-1
4-bromo-2-methylpyridine

: 30766-03-1
4-bromo-2-picolinic acid

Conditions

Conditions	Yield
With potassium permanganate In water at 80℃;	33%
Stage #1: 4-bromo-2-methylpyridine With potassium permanganate; water at 20℃; for 6.5h; Heating / reflux; Stage #2: With hydrogenchloride; water pH=4;	22%
Stage #1: 4-bromo-2-methylpyridine With potassium permanganate; water for 6.5h; Heating / reflux; Stage #2: With hydrogenchloride In water pH=4;	22%

: 62150-45-2
4-bromo-2-cyanopyridine

: 30766-03-1
4-bromo-2-picolinic acid

Conditions

Conditions	Yield
Stage #1: 4-bromo-2-cyanopyridine With sodium hydroxide In water Reflux; Stage #2: With hydrogenchloride In water at 130℃; for 0.333333h; pH=1 - 2;	20%

: 931-19-1
2-methylpyridine N-oxide

: 30766-03-1
4-bromo-2-picolinic acid

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: 95 percent / H2SO4, fuming HNO3 / 2 h / 100 - 105 °C 2: 85 percent / PCl3 / CHCl3 / 3 h / Ambient temperature 3: 61 percent / AcBr / 6 h / Heating 4: KMnO4 / H2O / Heating View Scheme

: 13508-96-8
2-methyl-4-nitro-pyridine

: 30766-03-1
4-bromo-2-picolinic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 61 percent / AcBr / 6 h / Heating 2: KMnO4 / H2O / Heating View Scheme

: 5470-66-6
2-methyl-4-nitropyridine N-oxide

: 30766-03-1
4-bromo-2-picolinic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 85 percent / PCl3 / CHCl3 / 3 h / Ambient temperature 2: 61 percent / AcBr / 6 h / Heating 3: KMnO4 / H2O / Heating View Scheme
Multi-step reaction with 3 steps 1: iron; acetic acid / 2 h / 20 - 100 °C 2: hydrogen bromide; sodium nitrite / water / 16.5 h / -10 - 20 °C 3: potassium permanganate / water / 6.5 h / 20 °C / Heating / reflux View Scheme
Multi-step reaction with 3 steps 1.1: iron; acetic acid / 2 h / 20 - 100 °C 2.1: hydrogen bromide; sodium nitrite / water / 16.5 h / 0 - 20 °C 3.1: potassium permanganate / water / 6.5 h / 20 °C / Heating / reflux 3.2: pH 4 View Scheme

: 18437-58-6
3-methyl-4-pyridinamine

: 30766-03-1
4-bromo-2-picolinic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: hydrogen bromide; sodium nitrite / water / 16.5 h / -10 - 20 °C 2: potassium permanganate / water / 6.5 h / 20 °C / Heating / reflux View Scheme
Multi-step reaction with 2 steps 1.1: hydrogen bromide; sodium nitrite / water / 16.5 h / 0 - 20 °C 2.1: potassium permanganate / water / 6.5 h / 20 °C / Heating / reflux 2.2: pH 4 View Scheme

: 1120-87-2
4-bromopyridin

: 30766-03-1
4-bromo-2-picolinic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1.1: 3-chloro-benzenecarboperoxoic acid / diethyl ether / 17 h / 20 °C 2.1: triethylamine / acetonitrile / 3.5 h / Schlenk technique; Inert atmosphere; Reflux 3.1: sodium hydroxide / water / Reflux 3.2: 0.33 h / 130 °C / pH 1 - 2 View Scheme

: 14248-50-1
4-bromopyridine-1-oxide

: 30766-03-1
4-bromo-2-picolinic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: triethylamine / acetonitrile / 3.5 h / Schlenk technique; Inert atmosphere; Reflux 2.1: sodium hydroxide / water / Reflux 2.2: 0.33 h / 130 °C / pH 1 - 2 View Scheme

: 30766-03-1
4-bromo-2-picolinic acid

: 1117-97-1
N,0-dimethylhydroxylamine

: 1005342-94-8
4-bromo-pyridine-2-carboxylic acid N-methoxy-N-methyl-amide

Conditions

Conditions	Yield
With triethylamine; HATU In N,N-dimethyl-formamide at 20℃; for 2h;	100%

: 89488-25-5
(5‐chloro‐2‐hydroxyphenyl)boronic acid

: 30766-03-1
4-bromo-2-picolinic acid

: 4-(5-chloro-2-hydroxyphenyl)picolinic acid

Conditions

Conditions	Yield
With sodium carbonate In 1,4-dioxane; water at 87 - 88℃; for 29h; Inert atmosphere;	100%

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Chemistry

Empirical Formula: C₆H₄BrNO₂
Molecular Weight: 202.0055
Nominal Mass: 201 Da
Average Mass: 202.0055 Da
Monoisotopic Mass: 200.942533 Da
Index of Refraction: 1.616 Molar
Refractivity: 38.96 cm³
Molar Volume: 111.3 cm³
Surface Tension: 63.2 dyne/cm
Density: 1.813 g/cm³
Flash Point: 164.2 °C
Enthalpy of Vaporization: 62.49 kJ/mol
Boiling Point: 347.8 °C at 760 mmHg
Vapour Pressure: 1.97E-05 mmHg at 25 °C
Melting point: 172-174 °C
Appearance: Fine needles
Structure of 4-Bromopyridine-2-carboxylic acid (CAS NO.30766-03-1):

IUPAC Name: 4-Bromopyridine-2-carboxylic acid
Canonical SMILES: C1=CN=C(C=C1Br)C(=O)O
InChI: InChI=1S/C6H4BrNO2/c7-4-1-2-8-5(3-4)6(9)10/h1-3H,(H,9,10)
InChIKey: RPHHYRNGCJYQSP-UHFFFAOYSA-N
Product Category of 4-Bromopyridine-2-carboxylic acid (CAS NO.30766-03-1): Bromides;Carboxes;Acids and Derivatives;Heterocycles;pharmacetical;Pyridine series;Organohalides;Aromatics Compounds;Aromatics

Uses

4-Bromopyridine-2-carboxylic acid (CAS NO.30766-03-1) is a useful synthetic intermediate.

Safety Profile

Hazard Codes: Xi
Hazard Note: Irritant

Specification

4-Bromopyridine-2-carboxylic acid , its cas register number is 30766-03-1. It also can be called 4-Bromopicolinic acid ; and 4-Bromo-2-pyridinecarboxylic acid .