THF 99%

TETRAHYDROFURAN 99.5% - RECOVERED SOLVENT
  
Tetrahydrofuran四氢呋喃   not less than 大于99% w/w
 
Water 水份              not more than 0.20% w/w
Other solvents溶解力 balance  
Specific gravity 20 Deg. C.比重   0.885 - 0.890
  
Colour 色度             not more than 不大于10 Hazen units
  
Peroxides 过氧化物            none detectable没发现
  
BHT               250ppm
  
Residue on evaporation蒸发后残渣  not more than不超过 0.005%w/w