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Cas Database |
| Name |
1,2,3-1H-Triazole |
EINECS | 206-022-9 |
| CAS No. | 288-36-8 | Density | 1.274 g/cm3 |
| PSA | 41.57000 | LogP | -0.19530 |
| Solubility | Soluble in water | Melting Point |
23-25 °C(lit.) |
| Formula | C2H3N3 | Boiling Point | 203.001 °C at 760 mmHg |
| Molecular Weight | 69.0659 | Flash Point | 107.222 °C |
| Transport Information | N/A | Appearance | clear colorless liquid |
| Safety | 37/39-26-36 | Risk Codes | 36/37/38-63-22 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
v-Triazole(7CI,8CI);1,2,3-Triazole;2,3-Diazapyrrole;Pyrrodiazole;Triazacyclopentadiene; |
Article Data | 79 |
1,2,3-1H-Triazole Chemical Properties
Molecular Structure:
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Molecular Formula: C2H3N3
Molecular Weight: 69.0653
IUPAC Name: 2H-Triazole
Synonyms of 1,2,3-1H-Triazole (CAS NO.288-36-8): 1H-1,2,3-Triazole
CAS NO: 288-36-8
Product Categories: Building Blocks ; Heterocyclic Building Blocks ; Triazoles
Melting point: 23-25 °C
Index of Refraction: 1.534
Molar Refractivity: 16.86 cm3
Molar Volume: 54.2 cm3
Surface Tension: 67.1 dyne/cm
Density: 1.274 g/cm3
Flash Point: 100.7 °C
Enthalpy of Vaporization: 42.13 kJ/mol
Boiling Point: 203 °C at 760 mmHg
Vapour Pressure: 0.404 mmHg at 25°C
Water Solubility: soluble
BRN: 104766
1,2,3-1H-Triazole Uses
1,2,3-1H-Triazole (CAS NO.288-36-8) is used in the synthesis of side-chain of semi-synthetic β-lactam antibiotics.
1,2,3-1H-Triazole Safety Profile
Safety Information of 1,2,3-1H-Triazole (CAS NO.288-36-8):
Hazard Codes: Xi,Xn 
Risk Statements: 36/37/38-63-36-22
36/37/38: Irritating to eyes, respiratory system and skin
63: Possible risk of harm to the unborn child
36: Irritating to the eyes
22: Harmful if swallowed
Safety Statements: 37/39-26-36/37
37/39: Wear suitable gloves and eye/face protection
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37: Wear suitable protective clothing and gloves
WGK Germany: 3
Hazard Note: Irritant
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