| Specifications︰ | Index Name Index
Appearance:Colorless,no turbid
Odor:Odorless
Purity , % ≥:99.5
Moisture %≤:0.001
Acidity(as HCl ), % ≤:0.0001
Evaporation residue, %≤:0.01
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| Physical and Chemical Properties︰ | Molecular Weight (g/mol):97.4
Boiling Point (101.3kPa °C):-34.5
Critical temperature , °C:106.8
Critical pressure ,Mpa :4.69
Density of liquid at 25 °C, g/cm:3 1.216
Sepecific heat of liquid 30°C,:0.29
Sepecific heat of equipressure steam(Cp),30°C and 101.3Kpa:0.17
Vaporization heat under B.P.,KJ/Kg:220.0
ODP:0.039
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