Test Items

Specification

Testing Result

Assay CH₂Cl₂ (by GC) , ω / %

99.8min

99.98

Density(20℃) , ρ / (g/mL)

1.320~1.330

1.326

Residue on evaporation , ω / %

0.0005 max

0.0002

Water(by K-F) , ω / %

0.02 max

0.013

Titrable Acid(H⁺) , (mmol/g)

0.0003max

0.00002

UV Absorbance

(1cmcell vs. water)

at 235 nm

1.00 max

0.332

at 240 nm

0.20 max

0.119

at 250 nm

0.05 max

0.025

at 260 nm

0.02 max

0.018

at 340 nm

0.01 max

0.001