Structure of 2,4,6-Triaminopyrimidine (CAS NO.1004-38-2):

IUPAC Name: pyrimidine-2,4,6-triamine 
Empirical Formula: C₄H₇N₅
Molecular Weight: 125.1319 
EINECS: 213-720-7 
Index of Refraction: 1.793
Molar Refractivity: 35.14 cm³
Molar Volume: 82.7 cm³
Polarizability: 13.93×10^-24cm³
Surface Tension: 118.7 dyne/cm
Density: 1.512 g/cm³
Flash Point: 308.2 °C
Enthalpy of Vaporization: 80.61 kJ/mol 
Melting Point: 249-251 °C(lit.)
Boiling Point: 530.8 °C at 760 mmHg
Vapour Pressure: 2.39E-11 mmHg at 25°C 
Water Solubility: 36.5 g/L (20 ºC) 
Product Categories: APIs & Intermediate;Pyrimidine;Pyridines, Pyrimidines, Purines and Pteredines;Amines;Pyrimidines

2,4,6-Triaminopyrimidine (CAS NO.1004-38-2) is used for anti-tumour drug, antitumor. It is also used for the synthesis of triamterene and amethopterin drug.

Hazard Codes: Xi
WGK Germany: 3
Risk Statements: 36/37/38
36/37/38:  Irritating to eyes, respiratory system and skin 
Safety Statements: 26-36-37/39
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
36:  Wear suitable protective clothing 
37/39:  Wear suitable gloves and eye/face protection

  2,4,6-Triaminopyrimidine , its cas register number is 1004-38-2. It also can be called 2,4,6-pyrimidinetriamine ; Pyrimidin-2,4,6-triamin ; Pyrimidine-2,4,6-triamine .