γ- butyrolactone of rim cleaner
Chinese alias: the γ- hydroxybutyrate GBL; 1,4- butyrolactone; γ- butyrolactone (99.5%)
English name: gamma-butyrolactone   CAS NO:. 96-48-0
Formula:> C4H6O2
Weight: 86.1
Structure:
Properties: colorless, transparent, similar to acetone smell oily liquid, boiling point 204 ℃, miscible with water, acetone, carbon tetrachloride and ethanol decomposition in hot lye, aromatic odor.
Product specifications :( enterprise standard: Q / PGM001-2007)
Indicators   Capacitance level   Ordinary Level    Industrial grade
Purity (Wt%)   99.9 Min               99.8 Min                   99.5 Min
Water (Wt%)   0.03 Max              0.05 Max                0.1 Max
Chroma HaZen 10 Max               20 Max                30 Max
Density (D420g / ml) 1.125 ~ 1.135  1.125 ~ 1.135  1.125 ~ 1.135
Refractive index (ND20>) 1.435 ~ 1.438  1.435 ~ 1.438  1.435 ~ 1.438
Packing: galvanized metal pail or polyethylene drum, barrel, net weight 210 kg.