Pyridinamine

Description

Pyridinamine · CAS 26445-05-6 · C5H6N2. UNII WSX981HEWU. Boiling Point: 399 to 410 °F at 760 mmHg (NTP, 1992); Boiling Point: 210.6 °C; Boiling Point: 211 °C.

Identification

CAS Registry Number	26445-05-6
PubChem CID	10439
Molecular formula	C5H6N2
IUPAC name	pyridin-2-amine
UNII (FDA)	WSX981HEWU

Computed Descriptors

Molecular Weight	94.11
XLogP3	0.5
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	94.053098200
Monoisotopic Mass	94.053098200
Topological Polar Surface Area	38.9
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	399 to 410 °F at 760 mmHg (NTP, 1992)
Boiling Point	210.6 °C
Boiling Point	211 °C
Boiling Point	411 °F
Boiling Point	210.6 °C @760 [mm Hg]
Melting Point	138 to 140 °F (NTP, 1992)
Melting Point	58.1 °C
Melting Point	58 °C
Melting Point	137 °F
Flash Point	198 °F (NTP, 1992)

Physical description & handling notes

• 2-aminopyridine appears as white powder or crystals or light brown solid. (NTP, 1992)
• Aminopyridine is a white or clear colored crystalline solid. It is soluble in water and alcohol. It is toxic by ingestion and by inhalation of the dust. It is used to make pharmaceuticals and dyes.
• White powder, leaflets, or crystals with a characteristic odor; [NIOSH]
• COLOURLESS OR WHITE POWDER OR CRYSTALS WITH CHARACTERISTIC ODOUR.
• White powder, leaflets, or crystals with a characteristic odor.
• White leaflets or large colorless crystals

Regulatory Status

GHS notification summary	1.3% (2 / 156)

GHS Hazard Classification

GHS notification summary	1.3% (2 / 156)
Reported hazard statements	H301 (98.7%), H311 (83.3%), H312 (13.5%), H315 (78.2%), H319 (78.8%), H331 (10.9%), H335 (66.7%), H411 (28.2%)

Documented Uses

• Used to manufacture drugs and dyes; [Merck Index # 473]
• Intermediate in chemical synthesis
• Intermediate for antihistamines and other pharmaceuticals
• Chemical intermediate for manufacture of pharmaceuticals; use in the manufacture of dyes, lubricant antioxidants, and herbicides.
• Synthetic Polymer MALDI Matrix Compounds
• Prepared from pyridine and sodamide

Synonyms

2-AMINOPYRIDINE; 504-29-0; pyridin-2-amine; 2-Pyridinamine; 2-Pyridylamine; o-Aminopyridine; Pyridine, 2-amino-; Amino-2 pyridine; 1,2-Dihydro-2-iminopyridine; alpha-Pyridinamine; alpha-Pyridylamine; alpha-Aminopyridine; DTXSID0024505; WSX981HEWU; NSC-431; DTXCID404505

Frequently Asked Questions

What are the CAS number and molecular formula of Pyridinamine?

CAS 26445-05-6; molecular formula C5H6N2; molecular weight — g/mol.

What other names is Pyridinamine known by?

2-AMINOPYRIDINE, 504-29-0, pyridin-2-amine, 2-Pyridinamine, 2-Pyridylamine, o-Aminopyridine.

Is Pyridinamine classified as hazardous?

1.3% of GHS notifications report no hazard classification (2 of 156).

What are the key physical properties of Pyridinamine?

Boiling Point: 399 to 410 °F at 760 mmHg (NTP, 1992); Boiling Point: 210.6 °C; Boiling Point: 211 °C; Boiling Point: 411 °F.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.