1,1-difluoroethene

• ChemBase ID: 9131
• Molecular Formular: C2H2F2
• Molecular Mass: 64.0340864
• Monoisotopic Mass: 64.0124565
• SMILES: C(=C)(F)F
• Canonical SMILES: FC(=C)F
• InChI: InChI=1S/C2H2F2/c1-2(3)4/h1H2
• InChIKey: BQCIDUSAKPWEOX-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 1,1-difluoroethene
• IUPAC Traditional name: 1,1-difluoroethene
• Synonyms: Vinylidene fluoride; 1,1-Difluoroethene; 1,1-Difluoroethylene (FC-1132a) 98%; 1,1-Difluoroethylene; 1,1-Difluoroethylene; Poly(vinylidene fluoride); Difluoro-1,1-ethylene; R-1132a; Halocarbon 1132 A; Freon 1132A; Vinylidene difluoride; 偏二氟乙烯; 1,1-二氟乙烯; 聚(偏二氟乙烯)

Database IDs

• CAS Number: 75-38-7; 24937-79-9
• EC Number: 200-867-7
• MDL Number: MFCD00000448; MFCD00084470
• Beilstein Number: 1733321
• PubChem SID: 24862923; 160972438; 24857769
• PubChem CID: 6369
• Chemspider ID: 13836545
• Wikipedia Title: 1,1-Difluoroethylene

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 1.2859588
• LogD (pH = 7.4): 1.2859588
• Log P: 1.2859588
• Molar Refractivity: 21.1054 cm^3
• Polarizability: 3.906403 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 0.254 g/L in water
• Apperance: Colorless gas; Powder
• Melting Point: -144; -144 °C(lit.); -144°C; 155-160°C
• Boiling Point: -83 °C(lit.); -83°C; -84
• Auto Ignition Point: 1184 °F; 380°C (716°F)
• Density: 0.617; 2.89 kg/m3 (vapor, 0 °C); 1.122 g/mL (liquid, -84 °C)
• Vapor Pressure: 518 psi ( 21 °C)
• Vapor Density: 2.2 (vs air)
• Odor: Slightly ethereal

Safety Information

• Storage Warning: Extremely Flammable; GAS, FLAMMABLE
• RTECS: KW0560000
• European Hazard Symbols: Highly flammable (F+)
• UN Number: 1959
• German water hazard class: 3
• Hazard Class: 2.1
• Risk Statements: 12
• Safety Statements: 7/9-16
• TSCA Listed: true; 是
• GHS Pictograms: GHS02
• GHS Signal Word: Danger
• Explode Limits: 21.3 %
• GHS Hazard statements: H220-H280
• GHS Precautionary statements: P210-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 1959 2.1

Product Information

• Purity: ≥99%; ≥99.0% (GC); 97%
• Grade: puriss.
• Linear Formula: H2C=CF2

DETAILS

Apollo Scientific Ltd - PC2810

Cylinder - CGA 350 connection, Inhibited with d-limonene

Sigma Aldrich - 295272

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

Sigma Aldrich - 36865

Packaging
Lecture bottle with net 227 gRecommended valves see section ′Tools/Valves and Adapter for Cylinders′ in the annex of the Fluka-Riedel-Catalog or under www.sigmaaldrich.com/fluka/bulletin/fl_analytix_v5_n7.pdf