Product details

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Chinese name 1,2, 4-triazole

English name, 4-trichlorobenzene 1 h - Triazole

Molecular formula C2H3N3

The relative molecular weight is 69.06

CAS number 288-88-0


Diphysicochemical property

Melting point (℃) 119-122

Boiling point (℃) 260 (760mmHg)

Flash point (℃) 140

Decomposition temperature (℃) is unknown

Water soluble 1250 g/ L (20 C)

Three main components and characters

The main ingredient is pure triazole

Appearance and character colorless or light yellow crystal

The main use is pesticide, pharmaceutical intermediates, widely used in the synthesis of fenrustine, paclobutrazol, enzoazole, enzoazole and other pesticides.

Iv Health hazards

The way of invasion is inhalation and ingestion

Health hazard Inhaling dust of this product can cause rhinitis, bronchitis, fever, wheezing and vagal tension caused by trachea inflammation and other symptoms.

Five First aid measures

In skin contact, remove contaminated clothing and rinse with running water.

Eye contact lift eyelid, flush with running water or normal saline. Go to a doctor.

Inhale away from site to fresh air. If breathing is difficult, give oxygen. Go to a doctor.

Eat enough warm water to induce vomiting. Go to a doctor.

Combustion characteristics and fire fighting


Combustion characteristics in case of open fire, high heat flammable. Combustion produces toxic exhaust gases. Wear suitable protective clothing to prevent contact with skin or

Eyes. Wear a self-breathing device (SCBA) to prevent thermal decomposition.

Fire fighting methods Fire fighters should wear gas masks and full-body fire fighting clothes to fight fire upwind. Use water spray, dry powder, carbon dioxide, or chemical foam.

Combustion of harmful products carbon monoxide, carbon dioxide, nitrogen oxides.

Contraindications strong oxidant, strong reducing agent, strong acid, strong base.

Vii Protective Measures

Workshop standard Soviet MAC (mg/m3) 5

Engineering control closed operation, local exhaust.

Respiratory protection When the dust concentration in the air exceeds the threshold, it is recommended to wear a self-priming filter dust mask. Emergency rescue or evacuation, should wear air breathing apparatus.

Eye protection Wear chemical safety glasses.

For body protection, wear protective clothing.

Wear latex gloves for hand protection.

Smoking is strictly prohibited in other work sites. After work, shower and change. Regular physical examination.

Viii Toxicity Data

LD50 1350 (mg/Kg) rats orally

Ix Emergency Measures

Isolate contaminated areas and restrict access. Cut off the fire. It is recommended that emergency personnel wear dust masks (full hoods) and protective clothing. Avoid dust, carefully sweep, put in a bag to a safe place. If a large number of leakage, with plastic cloth, canvas cover. Collect, recycle or transport to waste treatment site for disposal.

X Precautions for operation

Closed operation, local exhaust. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that the operator wear a self-priming filter dust mask, chemical safety glasses, protective clothing and latex gloves. Keep away from fire and heat source. No smoking in workplace. Use explosion-proof ventilation systems and equipment. Avoid dust generation. Avoid contact with oxidants and acids. Handling should be carried lightly to prevent damage to packaging and containers. Equipped with the corresponding variety and quantity of fire fighting equipment and leakage emergency treatment equipment. Empty containers may contain hazardous materials.

Eleven store

Store in a cool, ventilated warehouse. Keep away from fire and heat source. It should be stored separately from oxidants, acids and edible chemicals, and must not be mixed. Equipped with the appropriate variety and quantity of fire equipment. The storage area shall be equipped with suitable materials to accommodate leaks.

Packing and shipping information

The packing should be complete and the loading should be safe. During transportation, ensure that containers do not leak, collapse, fall, or damage. It is forbidden to mix with oxidizer, acid and edible chemicals. During transportation, it should be protected from sun exposure, rain and high temperature. Vehicles should be thoroughly cleaned after transportation.

Methods of Disposal

Reference should be made to relevant national and local regulations before disposal. Incineration is recommended for disposal. Nitrogen oxides from the incinerator are removed by a scrubber.