A colourless, non-flammable gas at atmospheric pressure with a slight ethereal odour. Supplied at low pressure in metal cylinders. Also available pre-mixed with UV dye
UN Number: 3159
Class: 2.2
Most common materials are suitable for use under normal conditions in a dry system. At high temperatures, use stainless steel or lnconel to resist corrosive breakdown products. Avoid using alloys with more than 2% magnesium (i.e some aluminium alloys) especially when moisture is present. May react violently with sodium, potassium, barium and other alkali or alkaline earth metals. Flexible hoses or gaskets should not contain natural rubber as rapid withdrawals of gas/liquid can extract compounding ingredients and it also suffers from excessive swelling.
| Chemical Formul | 1 ,1,1 ,2-tetrafluoroethane |
| Boiling Point | |
| °C@101.3kPa | -26.1 |
| °F@14.7psia | -14.9 |
| Critical Temperature | |
| °C | 101.1 |
| °F | 214.0 |
| Purity | 99.9 |
| % by weight(min) | |
| Water Content | 10 |
| ppm by weight(max) | |
| Acidity | 1.0 |
| ppm by weight(max) (as HCI) | |
| Non Condensable Gasses Content Measured on Vapour Phase |
1.5 |
| % by volume(max) | |
| Residues at High Boiling Point | 0.01 |
| % by volume(max) | |
| Chloride | pass |
| No visible turbidity | |
