| Product Identification | Back to Contents | 【Product Name】
1,2,4-1H-Triazole | 【Synonyms】
1H-1,2,4-Triazole
Pyrrodiazole
s-Triazole | 【CAS】
288-88-0 | 【Formula】
C2H3N3 | 【Molecular Weight】
69.069999999999993 | 【EINECS】
206-022-9 | 【RTECS】
XZ3806000 | 【RTECS Class】
Drug; Primary Irritant | 【Merck】
12,9735 | 【Beilstein/Gmelin】
104767 | 【Beilstein Reference】
5-26-01-00082 | 【EC Index Number】
613-111-00-X | 【EC Class】
Toxic for reproduction Category 3; Harmful; Irritant |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Pale yellow crstals with a characteristic odor. | 【Solubility in water】
1250 g/L | 【Melting Point】
116 - 119 | 【Boiling Point】
260 | 【Vapor Pressure】
0.02 (25 C) | 【Density】
1.394 g/cm3 (25 C) | 【pKa/pKb】
10.18 (pKa) | 【Partition Coefficient】
-1.2 | 【Heat Of Vaporization】
47.8 kJ/mol | 【Heat Of Combustion】
-1322 kJ/mol | 【Usage】
Used to produce antifungals. |
| First Aid Measures | Back to Contents | 【Ingestion】
Get medical aid. Wash mouth out with water. | 【Inhalation】
Remove from exposure to fresh air immediately. | 【Skin】
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a cool, dry place. Store in a tightly closed container. | 【Handling】
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. |
| Hazards Identification | Back to Contents | 【Ingestion】
Harmful if swallowed. May cause irritation of the digestive tract. | 【Inhalation】
May cause respiratory tract irritation. May be harmful if inhaled. | 【Skin】
May be harmful if absorbed through the skin. | 【Eyes】
Causes eye irritation. | 【EC Risk Phrase】
R 22 36 63 | 【EC Safety Phrase】
S 36/37 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Respirators】
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
140 | 【Autoignition】
490 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide, ammonia. |
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