IUPAC Name: 1-Methyltetrazol-5-amine
Molecular Formula: C₂H₅N₅
Molecular Weight: 99.09 g/mol
SMILES: c1(n(nnn1)C)N
InChI: InChI=1/C2H5N5/c1-7-2(3)4-5-6-7/h1H3,(H2,3,4,6)
XLogP3-AA: -0.8  
H-Bond Donor: 1  
H-Bond Acceptor: 4
Index of Refraction: 1.794 
Molar Refractivity: 24.05 cm³ 
Molar Volume: 56.5 cm³ 
Polarizability: 9.53×10^-24 cm³ 
Surface Tension: 81.1 dyne/cm 
Density: 1.75 g/cm³ 
Flash Point: 124.9 °C 
Enthalpy of Vaporization: 52.18 kJ/mol 
Boiling Point: 282.9 °C at 760 mmHg 
Vapour Pressure of 1-Methyl-5-aminotetrazole (CAS NO.5422-44-6): 0.00327 mmHg at 25 °C

Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements of 1-Methyl-5-aminotetrazole (CAS NO.5422-44-6): 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.

 1-Methyl-5-aminotetrazole (CAS NO.5422-44-6), its Synonyms are 1H-Tetrazol-5-amine, 1-methyl- ; 1H-Tetrazole,5-amino-1-methyl- ; 1-Methyl-5-tetrazolamine ; 5-Amino-1-methyltetrazole ; Tetrazole,5-amino-1-methyl- ; 5-Amino-1-methyl-1H-tetrazole .