2-Aminopyridine

C5H6N2CAS 504-29-094.12 g/mol

H2NN
Primary amine

Properties

Molecular formula
C5H6N2
Molar mass
94.12 g/mol
Exact mass
94.0531 Da
Density
1.065 g/mL (at 20 °C)
Melting point
58.1 °C
Boiling point
210.6 °C
pKa
6.82 (20 °C)
Flash point
68 °C (closed cup)
Water solubility
10–50 g/L (18.9 °C)
logP
0.66Crippen estimate
Polar surface area
38.9 Ų
H-bond donors / acceptors
1 / 2
Rotatable bonds
0

Hazards

Danger
Acute Toxic (GHS06)Irritant (GHS07)Environmental Hazard (GHS09)

Aggregated from 156 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P262, P264, P264+P265, P270, P271, P273, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P391, P403+P233, P405, P501

Identifiers

CAS number
504-29-0
SMILES
Nc1ccccn1
InChIKey
ICSNLGPSRYBMBD-UHFFFAOYSA-N
InChI
InChI=1S/C5H6N2/c6-5-3-1-2-4-7-5/h1-4H,(H2,6,7)

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

10 names
  • 2-Pyridinamine
  • Pyridine, 2-amino-
  • o-Aminopyridine
  • α-Aminopyridine
  • 1,2-Dihydro-2-iminopyridine
  • 2-Pyridylamine
  • α-Pyridinamine
  • α-Pyridylamine
  • 2-Pyridinylamine
  • NSC 431

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 504-29-0. Each row opens the sheet with its composition and PDF.

Work with 2-Aminopyridine

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Same formula

Elsewhere