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Product Name: Acetylene Acetylene
Molecular formula: C2H2
Properties: acetylene, also called calcium carbide gas, is a colorless, flammable gas that has weak anesthesia and prevents cell oxidation under normal temperature and pressure. Industrially, acetylene is produced by the hydrolysis of a calcium carbide ore rich in calcium carbonate. The explosion limit in air is 2.5% to 80%. Pure acetylene does not smell, but due to the presence of a small amount of calcium carbide raw material for the production of acetylene in sulfide and phosphides, solid industrial acetylene containing phosphine and hydrogen sulfide and other impurities and hate the smell of garlic. Atmospheric pressure can not be liquefied, insoluble in water, soluble in petroleum ether, ethanol, benzene and other organic solvents, great solubility in acetone, acetylene in solid industry is dissolved in acetone inside acetylene, also known as dissolved acetylene. It is mainly used in welding and cutting of metals, organic synthesis, atomic absorption spectrum, standard gas, correction, synthetic rubber and lighting.
Acetylene and oxygen together to form acetylene flame, the flame temperature of up to 3200 degrees, commonly used in shipbuilding, steel and other metal cutting
High purity acetylene for atomic absorption and other instruments
Acetylene, used in the synthesis of pharmaceuticals, chemical intermediates, vinyl acetylene, or two vinyl acetylene
For the production of transformer oil analysis, standard gas and other standard gases
Acetylene can be polymerized at 400~500 DEG C at high temperature to form benzene. Can be formed from 50 and 1.2 - 2MPa with nickel cyanide Ni (CN) 2 as catalyst
An acetylene bomb using acetylene gas as a damaging element; used to damage tanks or other armored vehicles.
Matters needing attention：
Acetylene is usually dissolved in acetone and porous material, into the cylinder, the cylinder should be stored in a cool ventilated and dry place, storage temperature should not exceed 40 DEG C. It is better to keep it separately in the outdoor. Keep away from fire and heat, avoid direct sunlight, and oxygen, compressed air, oxidizing agent, fluorine chlorine bromine, copper silver mercury, copper salt, salt, silver, mercury oxidation of organic compounds, explosives, poisons, radioactive materials such as isolation.
When moving acetylene cylinders, use special cylinder trolleys to handle with care, and wear the safety caps on the cylinders so as not to cause damage to the cylinder attachments.
The use of YQE-213 and other acetylene special pressure reducer, after decompression, and with acetylene flame arrester use, prevent tempering.
Acetylene bottle bottleneck has cylinder inspection time, expired cylinders should be commissioned spectrum source gas acetylene dealers to the relevant pressure vessel inspection unit for inspection, prohibited the use of expired cylinders.
Acetylene pipeline pipeline equipment should be grounded, must be strictly sealed. Acetylene gas pipeline should be tested before nitrogen and soapy water test leakage, to ensure the acetylene pipe is not leaking.
Industrial acetylene is often mixed with phosphine, hydrogen sulfide and other gases, it is often accompanied by toxic effects of such toxins, workplace ventilation should be kept.
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