Cas no for 74-85-1,Ethylene ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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[CAS Name] Ethylene

[Formula] C2H4

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74-85-1 Suppliers

Company

Main Products

Shanghai Wechem Technology Limited

Specifications
Purity , %	99.5	99.99	99.995	99.999
Oxygen	≤25 ppmv	≤2 ppmv	≤2 ppmv	≤2 ppmv
Nitrogen	≤100 ppmv	≤5 ppmv	≤5 ppmv	≤2 ppmv
Carbon Dioxide	≤15 ppmv	≤5 ppmv	≤5 ppmv	≤2 ppmv
Carbon Monoxide	≤5 ppmv	≤2 ppmv	≤2 ppmv	≤2 ppmv
Acetylene	≤10 ppmv	≤4 ppmv	≤4 ppmv	≤2 ppmv
Other Hydrocarbons	≤4000 ppmv	≤80 ppmv	≤50 ppmv	≤8 ppmv
Water	≤5 ppmv	≤5 ppmv	≤5 ppmv	≤2 ppmv


Ship
DOT Shipping Name	Ethylene , Compressed
DOT Classification	2.1
DOT Label	Flammable Gas
UN Number	UN 1962
CAS No.	74-85-1
CGA/JIS/BS341/DIN477	350/W22-14L/NO.4/NO.1
Shipped as	Compressed Gas


Technical Information
Cylinder State @ 21.1°C	Gas
Flammable Limits In Air	2.7-36%
Auto Ignition Temperature (°C )	450
Molecular Weight (g/mol)	28.054
Specific gravity (air =1)	0.969
Critical Temperature ( °C )	9.21
Critical Pressure ( psig )	715.13

Applications
· In polymerization processes · In manufacturing of other chemical intermediates · To ripen various fruits · In the manufacturing of calibration mixtures.

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Shandong Yanhe Chemical Co., Ltd

Specifications

CAS No.: 74-85-1

EINECS No.: 200-815-3

UN No.: UN1962

Purity: 99.95%

Dot Class: 2.1

Appearance: Colorless

Grade Standard: Agriculture Grade, Industrial Grade

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