Description
Technical Parameters
Product Brief Introduction
Product name: Calcium Dobesilate Monohydrate
CAS: 117552-78-0
MF: C12H12CaO11S2
MW: 418.4
Product Specification
|
Appearance |
White or off-white hygroscopic powder |
|
Identification |
The absorption maximum at 221nm and 301nm. The absorption coefficient at the maximum absorption wavelength of 301nm is 174-181. |
|
|
A blue color and a precipitate are immediately produced. |
|
|
Give reaction of calcium. |
|
Clarity and Color of Solution |
Clear and Colorless |
|
PH |
4.5-6.0 |
|
Moisture |
4.0%~6.0% |
|
Related Substances |
Impurity A ≤ 0.1% |
|
|
Single impurity ≤ 0.1% |
|
|
Total impurities ≤ 0.2% |
|
Iron |
≤ 10ppm |
|
Residual Solvents |
Ethanol ≤ 0.5% |
|
|
Acetone ≤ 0.5% |
|
Total Aerobic Microbial Count |
≤ 1000cfu/g |
|
Yeasts & Molds |
≤ 100cfu/g |
|
Assay (on anhydrous basis) |
99.0%~101.0% |
