Basic information
- Name:
2,5-Pyridinediamine
- Superlist Name:
- 2,5-Diaminopyridine
- CAS No.:
4318-76-7
- Molecular Structure:
- Formula:
- C5H7N3
- Molecular Weight:
- 109.13
- Synonyms:
- Pyridine,2,5-diamino- (6CI,7CI,8CI);NSC 175741;
- Density:
- 1.251 g/cm3
- Boiling Point:
- 329.1 °C at 760 mmHg
- Flash Point:
- 179.1 °C
- Appearance:
- Yellow to purple crystalline powder
- Hazard Symbols:
Xi- Risk Codes:
- 36/37/38
- Safety Description:
- 26-36 Details
- Transport Information:
- UN 2671
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Chemistry
The Molecular Structure of 2,5-Pyridinediamine (CAS NO.4318-76-7) is
Cas Register Number: 4318-76-7
IUPAC Name: Pyridine-2,5-diamine
Synonyms: 2,5-Pyridinediamine ; Pyridin-2,5-diamin ; Pyridine-2,5-diamine ; 2,5-Diamino Pyridine ; 2,5-Pyridinediamine (9CI) ; Pyridine, 2,5-diamino-
Molecular formula: C5H7N3
Molecular weight: 109.129180g/mol
Product Categories: compounds of pyridine;Pyridine;Pyridines derivates;Pyridines;C5;Heterocyclic Building Blocks
H bond acceptors: 3
H bond donors: 4
Freely Rotating Bonds: 1
Polar Surface Area: 19.37 Å2
Index of Refraction: 1.676
Molar Refractivity: 32.81 cm3
Molar Volume: 87.2 cm3
Surface Tension: 70.9 dyne/cm
Density: 1.251 g/cm3
Flash Point: 179.1 °C
Enthalpy of Vaporization: 57.15 kJ/mol
Boiling Point: 329.1 °C at 760 mmHg
Vapour Pressure of 2,5-Pyridinediamine (CAS NO.4318-76-7): 0.000182 mmHg at 25°C
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
RIDADR: UN2671
WGK Germany: 3
RTECS: US7555000
HazardClass: 6.1
PackingGroup: II
