Items

Standard

Appearance

Almost white powder with lumps

Specific Rotation [20/D]

(C=2 in Acetic Acid)

+10.0 Degree+1.0 Degree

IR Spectrum

In accordance with structure

Related Substance (TLC)

One spot

Melting Point (℃)

114 to 117 ℃

Loss on Drying

Not more than 0.50%

Limit of Isomer

Not more than 0.5%

Purity (PHLC)

Not less than 99.0%

外　　观 

白色粉末状晶体 

杂   质 

≤0.5%

含　　量 

≥98.5% 

熔　 点 

161～163 oC (dec.) 

旋　　光 

+5.5°～+6.5o (c=2, AcOH) 

水   分 

≤1.0%