HuagongsheHuagongshe Chemistry Print Report · For research reference only

HCID 817153Generated: November 4, 2026

2-Bromopyridine-3-carbonitrile

2-Bromo-3-cyanopyridine · 2-BROMOPYRIDINE-3-CARBONITRILE · IFLAB-BB F1957-0002 · 2-BroMo-nicotionitrile · 2-broMo-3-cyanopyridin · 2-BROMO-NICOTINONITRILE · 2-Bromonicotinonitrile 98% · 2-Bromo-3-cyanopyridine,98%

https://huagongshe.com/en/chemical/817153

2-Bromopyridine-3-carbonitrile molecular structure

Identifiers & Physical Properties

CAS No.	20577-26-8
Molecular formula	C6H3BrN2
Average molar mass	183.01 g/mol
Monoisotopic mass	181.94796 g/mol
SMILES	N#Cc1cccnc1Br
InChIKey	QIPXEPRGYVAQFI-UHFFFAOYSA-N
PubChem CID	817153
EC No.	854-061-0
DTXSID	DTXSID90355753

Chemical & Physical Properties

XLogP	1.6
Topological polar surface area	36.7
Hydrogen bond donors	0
Hydrogen bond acceptors	2
Rotatable bonds	0
Heavy atoms	9
Formal charge	0
Complexity	137
Melting point	105 °C
Boiling point	296.9±25.0 °C(Predicted)
Density	1.72±0.1 g/cm3(Predicted)
Storage conditions	under inert gas (nitrogen or Argon) at 2-8°C
Physical state	Solid
pKa (acidity coefficient)	-2.66±0.10(Predicted)
Appearance	White to light yellow Solid
GHS pictogram	GHS07
Signal word	Warning
GHS hazard statements	H302-H312-H315-H319-H332-H335
GHS precautionary statements	P261-P280-P304+P340-P305+P351+P338-P405-P501a
Hazard class	6.1
Customs code	2933399990

Safety & Regulations

GHS classification	WarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 2 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and Categories	Acute Tox. 4 (100%)
Customs code	2933399990
Signal word	Warning
GHS pictogram	GHS07
Hazard class	6.1
GHS hazard statements	H302-H312-H315-H319-H332-H335
GHS precautionary statements	P261-P280-P304+P340-P305+P351+P338-P405-P501a

CAS No.

20577-26-8

Molecular formula

C6H3BrN2

Average molar mass

183.01 g/mol

Monoisotopic mass

181.94796 g/mol

SMILES

N#Cc1cccnc1Br

InChIKey

QIPXEPRGYVAQFI-UHFFFAOYSA-N

PubChem CID

817153

EC No.

854-061-0

DTXSID

DTXSID90355753

Chemical & Physical Properties

XLogP

1.6

Topological polar surface area

36.7

Hydrogen bond donors

Hydrogen bond acceptors

Rotatable bonds

Heavy atoms

Formal charge

Complexity

137

Melting point

105 °C

Boiling point

296.9±25.0 °C(Predicted)

Density

1.72±0.1 g/cm3(Predicted)

Storage conditions

under inert gas (nitrogen or Argon) at 2-8°C

Physical state

Solid

pKa (acidity coefficient)

-2.66±0.10(Predicted)

Appearance

White to light yellow Solid

GHS pictogram

GHS07

Signal word

Warning

GHS hazard statements

H302-H312-H315-H319-H332-H335

GHS precautionary statements

P261-P280-P304+P340-P305+P351+P338-P405-P501a

Hazard class

6.1

Customs code

2933399990

Safety & Regulations

GHS classification

WarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 2 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard Classes and Categories

Acute Tox. 4 (100%)

Customs code

2933399990

Signal word

Warning

GHS pictogram

GHS07

Hazard class

6.1

GHS hazard statements

H302-H312-H315-H319-H332-H335

GHS precautionary statements

P261-P280-P304+P340-P305+P351+P338-P405-P501a