[Specification]

Appearance

Off-white or yellowish crystalline powder

Melting Point

70~ 78 °C

[Identification]

(1) NMR

positive

(2) MS

positive

(3)

320nm maximum absorption
263nm minimum absorption

(4)

Confirms with RS

[test]

pH

5.0~7.0

Clarity

confirms

related substances

≤1.0 %

Toluene residue

≤0.089%

Loss ond rying

≤1.0%

Residue on ignition

≤0.1%

Heavy metals

≤10ppm

Assay

≥ 98.5%