METHANE

METHANE Property

mp : −183 °C(lit.) bp : −161 °C(lit.) density : 0.716 g/mL at 25 °C(lit.) vapor density : 0.55 (vs air) Fp : -188 ºC Merck : 13,5979 Stability:: Stable. Extremely flammable - note low flash point; mixtures with air constitute an explosion hazard. Reacts violently with interhalogens. Incompatible with strong oxidizing agents, halogens, interhalogens, oxygen. CAS DataBase Reference: 74-82-8(CAS DataBase Reference)

Safety

Hazard Codes : F+ Risk Statements : 12 Safety Statements : 9-16-33 RIDADR : UN 1971 2.1 WGK Germany : - RTECS : PA1490000 F : 4.5-31 HazardClass : 2.1

METHANE Chemical Properties,Usage,Production

Chemical Properties colourless odourless gas General Description METHANE is a colorless odorless gas. METHANE is also known as marsh gas or methyl hydride. METHANE is easily ignited. The vapors are lighter than air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. METHANE is used in making other chemicals and as a constituent of the fuel, natural gas. Air & Water Reactions Highly flammable. Reactivity Profile METHANE is a reducing agent, METHANE is involved in many explosions when combined with especially powerful oxidizers such as bromine pentafluoride, chlorine trifluoride, chlorine, iodine, heptafluoride, dioxygenyl tetrafluoroborate, dioxygen difluoride, trioxygen difluoride and liquid oxygen. Other violent reactions include, chlorine dioxide and nitrogen trifluoride. Liquid oxygen gives an explosive mixture when combined with liquid METHANE [NFPA 1991]. Contact of very cold liquefied gas with water may result in vigorous or violent boiling of the product and extremely rapid vaporization due to the large temperature differences involved. If the water is hot, there is the possibility that a liquid "superheat" explosion may occur. Pressures may build to dangerous levels if liquid gas contacts water in a closed container [Handling Chemicals Safely 1980]. Health Hazard High concentrations may cause asphyxiation. No systemic effects, even at 5% concentration in air. Fire Hazard Special Hazards of Combustion Products: None

METHANE Preparation Products And Raw materials

Raw materials Coal gas Triethyl phosphate Acetone Butyl acetate Acetic acid glacial

Preparation Products Ethyl acetoacetate tert-Butyl acetoacetate Acetoacetanilide 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one Ethyl 4-chloroacetoacetate Methyl acetoacetate Carbon tetrachloride Chloroacetyl chloride o-Acetoacetaniside Dichloromethane Methanol 2-Acetylbutyrolactone N-Methylacetoacetamide Isobutyl acetoacetate 2'-Chloroacetoacetanilide Ammonia

METHANE Suppliers      Global( 36)Suppliers      CHINA 15 Europe 1 GERMANY 1 SWITZERLAND 1 UNITED KINGDOM 1 USA 17 Global 36

Supplier Tel Fax Email Country ProdList Advantage Energy Chemical 021-58432009 / 400-005-6266 021-58436166-800 info@energy-chemical.com CHINA 44198 61 Shanghai Hanhong Chemical Co., Ltd. 021-61521197,021-60496702,021-54302127,021-54306202,021-61525701,021-54308259 +86-21-54291107 jerry.ma@hanhonggroup.com CHINA 28730 64 Wuxi Zhongkun Biochemical Technology Co., Ltd. 0510-85629785,0510-66893528,0510-66892159,18051932136 +86 0510-85625359 saleschem@zhk-bio.com CHINA 18095 58 Hubei Jusheng Technology Co.,Ltd North:027-59599241,18871490274,QQ:1400878000 South:027-59531287,15727001360,QQ:1400878866 ℡ 027-83861211 469501031@qq.com CHINA 10512 58 Chizhou Kailong Import and Export Trade Co., Ltd. xg01_gj@163.com - xg01_gj@163.com CHINA 9727 50 Chengdu RunZeBenTu Chemical Co., Ltd 028-88469284 13096311329 18000562381 028-88469284 rzbtsj@163.com CHINA 10014 56