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| CAS No.: | 5378-49-4 |
|---|---|
| Name: | 5-AMINO-1H-TETRAZOLE |
| Article Data: | 8 |
| Molecular Structure: | |
|
|
|
| Formula: | CH3N5 |
| Molecular Weight: | 85.07 |
| Synonyms: | 1H-Tetrazole,1-amino- (7CI,8CI);1-Amino-1H-tetrazole;1-Aminotetrazole;1H-Tetrazol-1-amine; |
| EINECS: | 224-581-7 |
| Density: | 1.711 g/cm3 |
| Melting Point: | 201-205 °C(lit.) |
| Boiling Point: | 360.4 °C at 760 mmHg |
| Flash Point: | 199.1 °C |
| Appearance: | colorless liquid |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22-36/37/38 |
| Safety: | 26-36/37 |
| PSA: | 69.62000 |
| LogP: | -1.03190 |
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Specification
1. Introduction of 5-Aminotetrazole
5-Aminotetrazole is white crystalline used in organic synthesizing intermediate. The IUPAC Name of it is 2H-Tetrazol-5-amine.
2. Properties of 5-Aminotetrazole
Melting Point: 201-205 °C(lit.)
Index of Refraction: 1.699
Molar Refractivity: 19.19 cm3
Molar Volume: 49.7 cm3
Polarizability: 7.6×10-24 cm3
Surface Tension: 154.1 dyne/cm
Density: 1.711 g/cm3
Flash Point: 199.1 °C
Enthalpy of Vaporization: 60.61 kJ/mol
Boiling Point: 360.4 °C at 760 mmHg
Vapour Pressure of 5-Aminotetrazole: 2.23E-05 mmHg at 25 °C
3. Structure Descriptors of 5-Aminotetrazole
Canonical SMILES: n1c([nH]nn1)N
InChI: InChI=1/CH3N5/c2-1-3-5-6-4-1/h(H3,2,3,4,5,6)
Product Categories: Tetrazoles
4. Safety Information of 5-Aminotetrazole
Hazard Codes:
Xn
Risk Statements: 22-36/37/38
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37:Wear suitable protective clothing and gloves.
WGK Germany: 3
RTECS of 5-Aminotetrazole: XF7465000
5. Preparation of 5-Aminotetrazole
5-Aminotetrazole is prepared by a process which comprises (a) reacting a hydrazine salt of a mineral acid with cyanamide to form the corresponding aminoguanidine salt, (b) diazotizing the aminoguanidine salt to the corresponding guanylazide salt, and (c) cyclizing the guanylazide salt to 5-aminotetrazole.