2-Hydroxypropyl-β-cyclodextrin(128446-35-5)
1、 Basic Information
1. Chemical name: Hydroxypropyl - β - Cyclodextrin
2. Chinese alias: Hydroxypropyl - β - cyclodextrin; Hydroxypropyl cyclodextrin; 2-Hydroxypropyl cyclodextrin; Hydroxypropyl BETA cyclodextrin
3. English name: 2-Hydroxypropyl - β - cyclodextrin
4. Molecular formula: C63H112O42
5. Molecular weight: 1541.54
6. CAS number: 128446-35-5
7. EINECS number: 420-920-2
8. Appearance: White or almost white, amorphous or crystalline powder
2、 Technical parameters
project
indicator
trait
White or almost white, amorphous or crystalline powder
solubility
Easy to dissolve in water or propylene glycol
identification
Infrared spectroscopy (IR)
The infrared absorption spectrum of the sample should be consistent with the infrared spectrum of the reference substance
Appearance of the solution
Clear and colorless
Conductivity (μ S • cm-1)
≤200
Impurity A (HPLC) (%)
≤1.5
Total impurities (excluding impurity A) (HPLC) (%)
≤1.0
Impurity B (GC) (%)
≤2.5
Heavy metals (ppm)
≤20
Dry weight loss (%)
≤10.0
Total aerobic bacteria count (CFU/g)
≤103
Mold and yeast (CFU/g)
≤102
Escherichia coli
Not detected
Salmonella
Not detected
Molar Substitution Degree (MS)
0.40~1.50
Substitution degree DS (7 * MS)
2.80~10.50
pH
5.0~7.5
(The above parameters are reference values, please refer to the factory inspection report for details.)
3、 Packaging specifications
20kg/cardboard box