D-Valine

Appearance

White or off-white crystalline powder



Specific Rotation

(C=8£¬6N HCl)

-27.6 to -29.0°



Chloride (Cl)

not more than 0.02%



Loss on drying

≤0.2%



Residue on Ignition

not more than 0.1%



Heavy Metals(Pb)

not more than 10ppm



Assay

98.5 to 100.5%