Customization: | Available |
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CAS No.: | 75-10-5 |
Formula: | CH2f2 |
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molecular formula: CH2F2 Difluoromethane(1,1-Difluoromethane) UN Number: 3252 risk grades: 2.1
Physical property:
molecular weight | 52.02 | boiling point(1amt)ºC | -51.7 |
melting point,ºC | -136 | boiling point evaporation potential,KJ/Kg | 390.5 |
density(25ºC) liquid, g/cm³ | 0.960 | vapour pressure(25ºC),Mpa | 1.702 |
critical temperature,ºC | 78.52 | critical pressure,Mpa | 5.808 |
critical density ,g/cm³ | 0.430 | boiling point evaporation potential,KJ/Kg | 390.5 |
water solubilityºC,W% | 0.440 | specific heat(25ºC)liquid,KJ/KgºC | 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