IUPAC Name: ethene
CAS Number: 74-85-1
Chemical Formula: C₂H₄
Molecular Weight: 28.05
EC Number: 200-815-3
Grado de pureza: Grado farmacéutico (pureza ≥99.5%)
Certificado de análisis: Probado según normas internas de calidad
Aplicación: Polimerización, fabricación de intermedios químicos, maduración de frutas, mezclas de calibración
Purity , %: 99.5
Oxygen: ≤25 ppmv
Nitrogen: ≤100 ppmv
Carbon Dioxide: ≤15 ppmv
Carbon Monoxide: ≤5 ppmv
Water: ≤5 ppmv
DOT Shipping Name: Ethylene , Compressed
DOT Classification: 2.1
DOT Label: Flammable Gas
UN Number: UN 1962
CGA/JIS/BS341/DIN477: 350/W22-14L/NO.4/NO.1
Shipped as: Compressed Gas
Cylinder State @ 21.1°C: Gas
Flammable Limits In Air: 2.7-36%
Auto Ignition Temperature (°C ): 450
Specific gravity (air =1): 0.969
Critical Temperature ( °C ): 9.21
Critical Pressure ( psig ): 715.13

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Descripción adicional:

Founded in 2015, Shanghai Wechem Technology Limited (wechem.cn) trades, manufactures and services a very broad line of specialty and electronic gases. Its catalog spans process gases (nitrous oxide, phosphine, hydrogen, helium, arsine, germane), fluorinated halocarbons and etching gases (tungsten and molybdenum hexafluoride, boron tribromide/trichloride, sulfur hexafluoride, various perfluorocarbons), high-purity industrial gases (nitrogen, oxygen, argon, neon, krypton, xenon difluoride), and semiconductor process chemicals such as KOH developer, ITO and aluminum etchants, electronic-grade tetramethylammonium hydroxide, and ethyl silicate. The company offers other contract customization under its own brand, emphasizing delivery terms, willingness to meet buyers' specifications, small-order acceptance and service quality, and sells across Asia, the Middle East, Africa, North and South America, Western and Eastern Europe and Australasia.