0086-18329038633/0086-18980594786
Difluoromethane HFC-32
molecular formula: CH2F2 Difluoromethane(1,1-Difluoromethane) UN Number: 3252 risk grades: 2.1
Physical property:
| molecular weight | 52.02 | boiling point(1amt)℃ | -51.7 |
| melting point,℃ | -136 | boiling point evaporation potential,KJ/Kg | 390.5 |
| density(25℃) liquid, g/cm³ | 0.960 | vapour pressure(25℃),Mpa | 1.702 |
| critical temperature,℃ | 78.52 | critical pressure,Mpa | 5.808 |
| critical density ,g/cm³ | 0.430 | boiling point evaporation potential,KJ/Kg | 390.5 |
| water solubility℃,W% | 0.440 | specific heat(25℃)liquid,KJ/Kg℃ | 2.35 |
| ODP | 0 | GWP | 0.11 |
Quality index(Q/320623 NTD 01-2012):
| purity,% | ≥99.8 |
| moisture,% | ≤0.001 |
| acidity,% | ≤0.0001 |
| evaporated residue,% | ≤ 0.01 |
| chloride (cl-)experiment | test permition |
| noncondensable gas(v/v),% | 1.5 |
| appearance | colorless transparent liquefied gas |
Packing specification: 7kg,670Kg/926L, 30Kg/40L steel cyinder
Uses: as refrigerating fluid
