ChemicalBook >>3-Amino-5-mercapto-1,2,4-triazole>>3-Amino-1,2,4-triazole-5-thiol(16691-43-3)

3-Amino-1,2,4-triazole-5-thiol(16691-43-3)

3-Amino-1,2,4-triazole-5-thiol(16691-43-3)
Product IdentificationBack to Contents
【Product Name】

3-Amino-1,2,4-triazole-5-thiol
【Synonyms】

3-Amino-1,2,4-triazole-5-thiol
3-Imino-5-thiourazole
5-Amino-1,2-dihydro-1,2,4-triazole-3-thione
Iminothiourazole
【CAS】

16691-43-3
【Formula】

C2H4N4S
【Molecular Weight】

116.14
【EINECS】

240-735-6
【RTECS】

XZ5357500
【RTECS Class】

Other
【Beilstein/Gmelin】

112404
【Beilstein Reference】

4-26-00-01351
Physical and Chemical PropertiesBack to Contents
【Appearance】

Beige powder.
【Solubility in water】

Soluble in hot water
【Melting Point】

303
【Boiling Point】

420
【Partition Coefficient】

.56
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Ingestion】

May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
【Inhalation】

Inhalation of dust may cause respiratory tract irritation.
【Skin】

May cause skin irritation.
【Eyes】

Dust may cause mechanical irritation.
【Hazards】

May be ignited by heat, sparks or flames. When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards. Contact with metals may evolve flammable hydrogen gas.
【EC Risk Phrase】

R 36/37/38
【EC Safety Phrase】

S 26 36
【UN (DOT)】

2926
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. 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 MeasuresBack to Contents
【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. Extinguishing media: Use agent most appropriate to extinguish fire.
【Fire Potential】

Flammable/combustible material.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Incompatibilities】

Oxidizing agents.
【Stability】

Stable under normal temperatures and pressures.
【Decomposition】

Irritating and toxic fumes and gases.
【Combustion Products】

Fire will produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2926
【Hazard Class】

4.1
【Packing Group】

II; III
【HS Code】

2933 99 90
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