Specifications

USP24

FCCIV

Appearance

White crystals or crystalline powder

Assay,%

98.5~101.5

98.5~101.5

Specific optical rotation

+26.6º~ +28.8º

+26.6º~ +29.0º

pH Value

5.5~7.0

5.5~7.0

Loss on drying, %

≤0.3

≤0.3

Residue on ignition, %

≤0.1

≤0.1

Sulfate (as SO4), %

≤0.03

- - -

Chloride (as Cl),%

≤0.05

- - -

Heavy Metals (as Pb), %

≤0.0015

≤0.002

Lead, %

- - -  

≤0.001

Iron, %

≤0.003

- - -

Organic volatile impurities 

Meets the requirements

- - -