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Acetylene (systematic name: ethyne) is the chemical compound with the formula C 2 H 2 and structure H−C≡C−H.It is a hydrocarbon and the simplest alkyne. [8] This colorless gas is widely used as a fuel and a chemical building block.
n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [2]
Dicyanoacetylene, also called carbon subnitride or but-2-ynedinitrile , is a compound of carbon and nitrogen with chemical formula C 4 N 2. It has a linear molecular structure , N≡C−C≡C−C≡N (often abbreviated as NC 4 N ), with alternating triple and single covalent bonds .
In December 2016, Linde Korea completed the acquisition of Air Liquide Korea's industrial merchant & electronics and liquid bulk air gases divisions, based in South Korea. [ 39 ] In early June 2017, after almost a year of on-and-off negotiations, Linde and Praxair , the successor to UCC's Linde Air Products division, agreed to merge.
The principal gases provided are nitrogen, oxygen, carbon dioxide, argon, hydrogen, helium and acetylene, although many other gases and mixtures are also available in gas cylinders. The industry producing these gases is also known as industrial gas , which is seen as also encompassing the supply of equipment and technology to produce and use ...
A set of MAPP and oxygen cylinders is used for oxy-fuel welding and cutting.. MAPP gas was a trademarked name, belonging to The Linde Group, a division of the former global chemical giant Union Carbide, for a fuel gas based on a stabilized mixture of methylacetylene (propyne), propadiene and propane.
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Airgas, an Air Liquide company, is an American supplier of industrial, medical and specialty gases (delivered in packaged or cylinder form), as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading U.S. supplier of ammonia products and process chemicals.
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