beta-Cyclodextrin hydrate (68168-23-0)
1、 Basic Information
1. Chemical name: β - cyclodextrin
2. Chinese alias: β - cyclodextrin; BETA cyclodextrin; Betacyclodextrin
3. English name: beta Cyclodextrin hydrate
4. Molecular formula: C42H70O35
5. Molecular weight: 1134.98
6. CAS number: 68168-23-0
7. EINECS number: 231-493-2
8. Appearance: White crystalline or crystalline powder with a powdery appearance
2、 Technical parameters
project
indicator
trait
White crystalline or crystalline powder
Specific curl (°)
+160 to+164
identification
The infrared absorption spectrum of this product should be consistent with the spectrum of the reference substance
PH value
5.0~8.0
Clarity and color of solution
Clear and colorless, if it appears turbid, it should not be thicker than the turbidity standard solution No. 2
Impurity absorbance
230~350nm
≤0.10
350~750nm
≤0.05
Chloride (%)
≤0.018
Reducing sugar (%)
≤0.5
residual solvent
Cyclohexane (%)
≤0.388
related substances
Alpha cyclodextrin (%)
≤0.25
Gamma cyclodextrin (%)
≤0.25
Total impurities (%)
≤0.5
Dry weight loss (105 ℃,%)
≤14.0
Burning residue (%)
≤0.1
Heavy metals (ppm)
Not exceeding 5 parts per million (≤ 5ppm)
Microbial Limit
Total aerobic bacteria count (cfu/g)
≤103
Total number of mold and yeast
≤102
Escherichia coli
Not detectable in every 1g of the test sample
Content (calculated as dry product,%)
98.0~102.0
(The above parameters are reference values, please refer to the factory inspection report for details.)
3、 Packaging specifications
20 kg/carton