China 99 % estrone powder CAS 53-16-7, Find details about China estrone powder, cas 53-16-7 from 99 % estrone powder CAS 53-16-7
Product Name: | Estrone |
CAS: | 53-16-7 |
MF: | C18H22O2 |
MW: | 270.37 |
EINECS: | 200-164-5 |
Item | Specifications |
Description | White crystals or crystalline power |
Assay ,% | 98.5~101.5 |
Transmittance, % | ≥95.0 |
Specific rotation | +14.0°~+15.6° |
Chloride,% | ≤0.02 |
Sulfate,% | ≤0.02 |
Ammonium,% | ≤0.02 |
Iron, % | ≤0.001 |
Heavy metals ,% | ≤0.001 |
Arsenic, % | ≤0.0001 |
Loss on drying, % | ≤0.2 |
Residue on ignition,% | ≤0.1 |
PH | 5.2 -6.2 |