1,1,1,2-Tetrafluoroethane

• Category :

  Organic chemicals and Derivatives

• Synonyms :

  norflurane;FC-134a;HFC-134a;R134a;

• CAS NO :

  811-97-2

• EC NO :

  212-377-0

• Molecular Formula :

  C₂H₂F₄

• Molecular Weight :

  102.0309

• Main Specifications :

• InChI :

  InChI=1/C2H2F4/c3-1-2(4,5)6/h1H2

• Product description :

  CAS No.: 811-97-2

  Molecular formula: CH2FCF3

  Molecular weight: 102

  RTECS No.: KI8842500

  HS No.: 2903399000

  UN No.: 3159

  Hazard cargo No.: 22039

  IMDG Page: 6103

  I.Physicochemical properties:

  1. Appearance and property: Colorless transparent heavy liquid, easy to volatile, with special odor.

  2. Freezing point : -103°C

  3. Boiling point: -26.1°C

  4. Liquid weight (D20°): 1.206

  5. Solubility: 0.15 G/L (20°C)

  6. Critical temperature: 101.1 °C

  7. Critical pressure: 4.05MPa.

  8. Critical density : 515.3g/cm3

  9. Vapor pressure: 666.1KPa (25°C)

  10. GWP:0.13

  11. ODP: 0 

  II. Usage

  R-134a is the most commonly used low and medium temperature ecological refrigerant, for the excellent performance of HFC-134a, it is the most effective and safe substitute of CFC-12, it is used in the fields using R12 refrigerant, including: refrigerator, water dispenser, automotive air conditioning, dehumidifier, industrial refrigeration, and other equipment, it is also applied in aerial fog propellant, medical aerosol, insecticide propellant, etc.

  III. Quality standard

  Item	Superior	First class
  Purity ≥ (m/m) %	99.95	99.90
  Acidity (Calculated by HCI) ≤(m/m)ppm	0.1	1
  Moisture ≤(m/m)ppm	5	10
  Residue after evaporation≤ (v/v) ppm	100	100
  Non-condensable gases ≤25°C (v/v) %	1.5	1.5
  Chloride content	Qualified	Qualified
  Appearance	Colorless transparent liquid	Colorless transparent liquid

  IV. Packing, storage and transportation

  Hazard rank: 2.2 type gas

  Hazard cargo packing mark: 15

  Packing type: III

  Packing: Can 220g, 250g, 280g, 300g, 340g, 500g, 800g, 1000g; disposable steel cylinder 30lb/13.6kg, 50lb/22.7kg; recycled steel cylinder 400L, 800L, 926L, 1000L; ISO-TANK. Filling ratio is smaller than 1.04Kg/L.

• Molecular Structure :