ethene

• ChemBase ID: 78076
• Molecular Formular: C2H4
• Molecular Mass: 28.05316
• Monoisotopic Mass: 28.03130013
• SMILES: C=C
• Canonical SMILES: C=C
• InChI: InChI=1S/C2H4/c1-2/h1-2H2
• InChIKey: VGGSQFUCUMXWEO-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: ethene
• IUPAC Traditional name: ethylene
• Synonyms: LDPE; Polyethylene powder, low density, 500 micron; Polyethylene, low density, 1000 micron; Polyethylene, UHMW; Ethene; Ethylene; Ethylene; Polyethylene, high density; Polyethylene, low density, ≤400 micron; 聚乙烯粉, 低密度, 500微米; 聚乙烯, 低密度, 1000微米; 聚乙烯, UHMW; 乙烯; 高密度聚乙烯; 低密度聚乙烯, ≤ 400 微米

Database IDs

• CAS Number: 9002-88-4; 74-85-1
• EC Number: 200-815-3
• MDL Number: MFCD00084423; MFCD00008604
• Beilstein Number: 1730731
• Merck Index: 147567
• PubChem SID: 162042902; 24857774; 24878139
• PubChem CID: 6325
• CHEBI ID: 18153
• CHEMBL: 117822
• Chemspider ID: 6085
• KEGG ID: C06547
• Unique Ingredient Identifier: 91GW059KN7
• Wikipedia Title: Ethylene

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 1.1068089
• LogD (pH = 7.4): 1.1068089
• Log P: 1.1068089
• Molar Refractivity: 9.9758 cm^3
• Polarizability: 4.227136 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 3.5 mg/100 mL (17 °C) ; 2.9 mg/L in water; 4.22 mg/L in ethanol; good in diethyl ether
• Apperance: colorless gas; Granular; Granules; Powder
• Melting Point: −169.2 °C (104.0 K, -272.6 °F); -169 °C(lit.); -169°C
• Boiling Point: −103.7 °C (169.5 K, -154.7 °F); -104 °C(lit.); -104°C
• Flash Point: -100 °C; -100°C; -136 °C; -148 °F
• Auto Ignition Point: 542.8 °C; 842 °F
• Density: 0.92; 0.95; 0.97; 1.178 kg/m^3 at 15 °C, gas
• Vapor Pressure: 35.04 atm ( 20 °C)
• Vapor Density: 0.97 (vs air)
• pKa: 44
• Std enthalpy of formation: +52.47 kJ/mol
• Std molar entropy: 219.32 J·K^−1·mol^−1
• Critical Point: 282.4 K (9.2 °C); at 5.04 MPa (50 atm)

Safety Information

• Storage Warning: Extremely Flammable
• RTECS: KU5340000; TQ3325000
• European Hazard Symbols: Highly flammable (F+)
• UN Number: 1962
• German water hazard class: 3
• Hazard Class: 2.1
• Risk Statements: 12-67
• Safety Statements: 9-16-33-45
• TSCA Listed: 是
• GHS Pictograms: GHS02; GHS04; GHS07
• GHS Signal Word: Danger
• NFPA704:
  

  4

  3

  2
• Explode Limits: 36 %
• GHS Hazard statements: H220-H280-H336
• GHS Precautionary statements: P210-P261-P410 + P403
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US); Eyeshields, Faceshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 1962 2.1

Product Information

• Purity: ≥99.5%; ≥99.9%; ≥99.95% (GC); 99.99%
• Concentration: 10 ppm in nitrogen
• Grade: puriss.; purum
• Impurities: ≤0.0025% methane; ≤0.042% CnHm; ≤0.2% carbohydrates; ≤2000 ppm carbohydrates; CO, trace; CO2, trace; N2, trace; O2, trace; water, trace
• Linear Formula: CH2=CH2

DETAILS

Apollo Scientific Ltd - OR1710

Cylinder

Sigma Aldrich - 536164

Packaging
110 g in steel cylinder
Recommended products
Brass control valve Z14,694-3 or either of brass regulators Z14,670-6 and Z14,671-4 is recommended.

Sigma Aldrich - 295329

Packaging
110 g in steel cylinder
Recommended products
Brass control valve Z146943 or either of brass regulators Z146706 and Z146714 is recommended.

Sigma Aldrich - 321281

Application
For calibrating analytical instruments.
Packaging
Packaged in lightweight no-return cylinder
Recommended products
Control valve Z166995 or regulator Z167002 is recommended.

Sigma Aldrich - 00489

Other Notes
Sales restrictions may apply
Packaging
pressure tinfilling pressure at 15°C: 11 bar; content (15°C, 1 bar): 11 l

Sigma Aldrich - 03482

Other Notes
Sales restrictions may apply
Packaging
Cylinder with net ~0.7 kg

Sigma Aldrich - 03484

Other Notes
Sales restrictions may apply
Packaging
Cylinder with net ~3.2 kg