295329

Ethylene

≥99.5%

• Synonym(s): Ethene
• Linear Formula: CH₂=CH₂
• CAS Number: 74-85-1
• Molecular Weight: 28.05
• Beilstein/REAXYS Number: 1730731
• EC Number: 200-815-3
• MDL number: MFCD00008604
• PubChem Substance ID: 24857774
• NACRES: NA.22

Properties

• vapor density: 0.97 (vs air)
• Quality Level: 100
• vapor pressure: 35.04 atm ( 20 °C)
• assay: ≥99.5%
• autoignition temp.: 842 °F
• expl. lim.: 36 %
• bp: −104 °C (lit.)
• mp: −169 °C (lit.)
• SMILES string: C=C
• InChI: 1S/C2H4/c1-2/h1-2H2
• InChI key: VGGSQFUCUMXWEO-UHFFFAOYSA-N

Description

Application

Ethylene is mainly used as a precursor to synthesize polyethylene, ethylbenzene and ethylene dichloride. It is also used in the preparation of single- layer graphene by thermal chemical vapor deposition.

Packaging

110 g in steel cylinder

Other Notes

For 295329-150G-EU packaging: 500 mL of aluminium cylinder equipped with brass valve.

Recommended products

• For 295329-150G-EU: outlet fitting: DIN 477-1 no. 1, Z742160 or Z742161 are the recommended regulators.
• For 295329-110G: Z146706 CGA 180 Regulator, OR Z146943 CGA 110 Valve with Z147095 CGA 110 to CGA 180 adapter and Z146986 washer for valve.

Safety Information

• Pictograms: GHS02,GHS04,GHS07
• Signal Word: Danger
• Hazard Statements: H220 - H280 - H336
• Precautionary Statements: P210 - P410 + P403
• Target Organs: Central nervous system
• Personal Protective Equipment: dust mask type N95 (US),Eyeshields,Gloves
• RIDADR: UN 1962 2.1
• WGK Germany: nwg
• Flash Point(F): -148.0 °F - closed cup
• Flash Point(C): -100 °C - closed cup