Standard

Appearance

Clear yellow viscous liquid

Identification

UV Absorptivities do not differ by more than 3.0%

Specific Gravity(at 25℃)

1.045~1.055

Refractive Index(at 20℃)

1.561~1.571

Acidity(0.1mol/L NaOH)

≤0.18ml/g

Chromatographic Purity
---Individual Impurity
---Total Impurity

≤0.5%
≤2.0%

Assay

95.0~105.0%

Residual solvents(2-Ethylhexanol)

≤500ppm