Test Items

Specification

Testing Result

Assay (CH₃)₂CHOH  (by GC) , ω / %

99.9min

99.99

Density(20℃) , ρ / (g/mL)

0.784~0.786

0.785

Solubility in H₂O

Pass test

Pass test

Residue on evaporation , ω / %

0.0005 max

0.0001

Water(by K-F) , ω / %

0.1 max

0.008

(mmol/g)

0.0003max

Not Detected

UV Absorbance

(1cm cell vs. water)

at 205 nm

1.00 max

0.645

at 220 nm

0.30 max

0.195

at 230 nm

0.15 max

0.092

at 245 nm

0.05 max

0.023

at 260 nm

0.03 max

0.003

at 300 nm

0.01 max

0