product
1,1-dichloro-1-fluoroethane (hcfc-141b)
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molecular formula: ch3ccl2f
physical property
| molecular weight | 116.95 | critical pressure, mpa | 4.34 |
| boiling point (1 atm), °c | 32.05 | critical density, g/cm3 | 0.433 |
| freezing point (1 atm), °c | -103.5 | latent heat of evaporation under boiling point, kj/kg | 223.0 |
| density(25 °c), liquid, g/cm3 | 1.227 | steam thermal conductivity(1 atm, 25 °c), mw/mk | 8.3 |
| steam density(air=1) | 4.1 | water solubility(25 °c), w% | 0.509 |
| vapour pressure(25 °c), mpa | 0.079 | specific heat(25 °c), liquid, kj/kg °c | 1.16 |
| volume volatilization rate(20 °c),% | 100.0 | odp | 0.086 |
| critical temperature, °c | 204.5 | gwp100 | 782 |
quality standards （gb/t 18827-2002）
| appearance | colorless and clear |
| odor | odorless |
| purity, % | ≥99.5 |
| moisture, % | ≤0.005 |
| acidity(in hcl), % | ≤0.0001 |
| residue on evaporation, % | ≤0.01 |
| vinylidene chloride acetylene dichloride, % | ≤0.02 |
uses: foaming agent as alternative to cfc11, and precision cleaning agent to substitute cfc-113.
packing specification: non-refillable cylinder 30lb/13.6kg; steel drum in 30l/30kg, 200l; iso tank.
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