Appearance Almost white lyophilized powder
Identification Complies
Appearance of solution Clear
Absorbance Maximum 0.80 at 277nm
Protein impurities of higher molecular mass. Complies
Loss on drying ≤ 6.0%
Bacterial endotoxins Complies
Histamine Complies
Abnormal toxicity Complies
Activity 3-8 TIU/mg
(1 TIU ∼ 1,300 KIU.)KIU (Kallikrein Inhibitor Unit).