Test Items

Specification

Testing Result

Assay CH₃OH (by GC) , ω / %

99.9min

99.99

Density(20℃) , ρ / (g/mL)

0.791~0.793

0.793

Residue on evaporation , ω / %

0.0005max

<0.0001 

Water(by K-F) , ω / %

0.05 max

0.015

Solubility with H₂O

Pass test

Pass test

Titrable Acid(H⁺) , (mmol/g)

0.0004 max

0.0002

Titrable Base(OH^-) , (mmol/g)

0.00008 max

Not Detected

UV Absorbance

(1cm cell vs. water)

at 205 nm

1.00 max

0.769

at 210 nm

0.60 max

0.413

at 220 nm

0.30 max

0.186

at 230 nm

0.15 max

0.085

at 240 nm

0.05 max

0.035

at 260 nm

0.01 max

0.005