Beta-Cyclodextrin

■ Chemical Description

--Beta-cyclodextrin (abbr. β-CD)

■ CAS No. 7585-39-9

■ Molecular and Structural Formula C₄₂H₇₂O₃₆

■ Characteristics

--White crystal or powder, odorless smell and taste sweet；

--Slightly soluble in water，insoluble in methanol, ethanol, acetone or aether;

■ Specification

No	Tests	Specification
		CP2010	BP2009(A)	USP31(NF26)
1	Specific rotation	＋159°～＋164°	＋160°～＋164°	＋160°～＋164°
2	PH	5.0~8.0	5.0~8.0
3	Clarity and color of solution	＋	＋	＋
4	Loss on drying %	≤14.0	≤16.0	≤14.0
5	Chloride %	≤0.018
6	Residue on ignition %	≤0.1	≤0.1	≤0.1
7	Sugar %	≤1.0	≤0.2	≤1.0
8	Heavy Metal ppm	≤10	≤10	≤5
9	Determination %	96.0%~102.0	98.0%~101.0	98.0%~101.0
10	Absorbing impurities	＋	＋
11	Related Substances		＋
12	Residual Solvents		＋
13	Microbial Limit	＋	＋	＋

■ Application

--Used to increase the stability of the drug, improve the bioavailability drugs, change medication water-soluble, remove drug peculiar smell, reduce the side effects of drugs;

■ Packaging and Storage

--Packed in 25, 50 kg fiber or plastic drum, inner lined with PE bags;

--Stored in dry place at room temperature;

【Last】      【Next】      【Return】