Items

Specification

Result

Appearance

Colorless to slight yellow transparent liquid

Conform

Assay

≥99%

99.90%

Density

1.01-1.09

    1.050

  refractive index

     1.36-1.42

    1.3920

    Boiling point

112-115℃

     114.6℃

Water

≤0.2%

     0.045%

Total impurities

≤1%

0.10%

    Single impurity

≤0.5%

     0.04%

Conclution

Complies with enterprise standard.