Appearance:

Quality standard:

Odor: Qualified 
Assay: ≥89.5～90.5% w/w 
Assay optical: ≥99.5% (L-D)/(L+D)×100 
Chroma: ≤20 apha 
Chroma after heating: ≤20 apha 
Relative density(20/20℃): 1.20～1.22 g/ml 
Sulphate ash: ≤0.01% 
Heavy metal: ≤5ppm 
Iron: ≤5ppm 
Arsenic: ≤1ppm 
Sulphates: ≤10ppm 
Chlorides: ≤10ppm 
Calcium: ≤10ppm 
Readily carbonized compounds (USP): pass the test 
Reducing sugar (USP): pass the test

Range of application:

It is used for chiral medicines and agro-chemical products.

Packing:

net wt. 250KG, in PE drum。 upon clients demand.

Storage:

Stored in cool and dry place, avoid light, no piling in open air; no mixing with alkali and strong oxidants. Pls. see MSDS for other notes.

Shelf life:

24 months.