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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 139708Generated: October 23, 2026

4-Bromopyridin-1-ium-1-olate

NSC 111282 · 4-Bromopyridine Oxide · 4-Bromopyridine N-Oxide · 4-Bromopyridine 1-Oxide · Pyridine, 4-bromo-,1-oxide · 4-bromo-1-oxidopyridin-1-ium · 4-Bromopyridine N-Oxide ISO 9001：2015 REACH

https://huagongshe.com/en/chemical/139708

4-Bromopyridin-1-ium-1-olate molecular structure

Identifiers & Physical Properties

CAS No.14248-50-1
Molecular formulaC5H4BrNO
Average molar mass174 g/mol
Monoisotopic mass172.94762585 g/mol
SMILES[O-][n+]1ccc(Br)cc1
InChIKeyZRXLKDCFWJECNO-UHFFFAOYSA-N
PubChem CID139708
EC No.866-511-3
DTXSIDDTXSID60162057

Chemical & Physical Properties

XLogP0
Topological polar surface area25.5
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds0
Heavy atoms8
Formal charge0
Complexity70.8
Melting point163℃ (Decomposition)
Boiling point336.2±15.0 °C(Predicted)
Density1.66±0.1 g/cm3(Predicted)
Storage conditionsunder inert gas (nitrogen or Argon) at 2-8°C
SolubilityDimethyl Sulfoxide, Methanol
Physical stateSolid
pKa (acidity coefficient)0+-.0.10(Predicted)
ColorRed-Brown
CAS DataBase Reference14248-50-1
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH319-H335-H315-H302+H312+H332
GHS precautionary statementsP280-P301+P312-P362+P364
Customs code2933399990

Safety & Regulations

GHS classificationWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Customs code2933399990
Signal wordWarning
GHS pictogramGHS07
GHS hazard statementsH319-H335-H315-H302+H312+H332
GHS precautionary statementsP280-P301+P312-P362+P364