2,5-Diaminopyridine

Names

[ CAS No. ]:
4318-76-7

[ Name ]:
2,5-Diaminopyridine

[Synonym ]:
pyridine-2,5-diamine
MFCD00129023
2,5-Pyridinediamine
2,5-Diaminopyridine

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
329.1±22.0 °C at 760 mmHg

[ Melting Point ]:
110.3ºC

[ Molecular Formula ]:
C₅H₇N₃

[ Molecular Weight ]:
109.129

[ Flash Point ]:
179.1±9.5 °C

[ Exact Mass ]:
109.063995

[ PSA ]:
64.93000

[ LogP ]:
-0.47

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.676

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: US7555000

CHEMICAL NAME :: Pyridine, 2,5-diamino-

CAS REGISTRY NUMBER :: 4318-76-7

BEILSTEIN REFERENCE NO. :: 0108741

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H7-N3

MOLECULAR WEIGHT :: 109.15

WISWESSER LINE NOTATION :: T6NJ BZ EZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 50 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 8,296,1965

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
UN2671

[ WGK Germany ]:
3

[ RTECS ]:
US7555000

[ Packaging Group ]:
II

[ Hazard Class ]:
6.1

[ HS Code ]:
2933399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2933399090

[ Summary ]:
2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

Teleamination of the imidazo [1,2-a] pyridine system. Hand ES and Paudler WW.

J. Org. Chem. 43(14) , 2900-2906, (1978)

Porous pyridine based polyimide–silica nanocomposites with low dielectric constant. Kıvılcım N, et al.

J. Porous Mater. 20(4) , 709-718, (2013)