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Specification
Pro Name | ipriflavone |
CAS No | 35212-22-7 |
Synonyms |
Ipriflavone;
4-isopropoxyisoflavone;
7-isopropyloxy-isoflavone;
|
Formula | C18H16O3 |
Exact Mass | 280.11000 |
Molecular Weight | 280.31800 |
PSA | 39.44000 |
LogP | 4.24720 |
Appearance & Physical State | white crystalline powder |
Density | 1.184 g/cm3 |
Melting Point | 114-118ºC |
Boiling Point | 435.9ºC at 760 mmHg |
Flash Point | 209.3ºC |
Refractive Index | 1.592 |
Storage Condition | Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
Assay 98.5% ~101.0% 99.7% |
Identification |
Standardization |
|
Result |
Aspect |
White to yellowish white crystals or crystalline powder |
|
Complied |
Color change |
It gradually turns yellow on exposure to light |
|
Complied |
Solubility |
Soluble in acetonitrile, sparingly soluble in methanol and in methanol(99.5%), and practically insoluble in water |
|
Complied |
Identification |
1)UV spectra of sample exhibit similar with standard spectra |
|
Complied |
|
2)IR: spectra of sample exhibit similar with standard spectra |
|
Complied |
Melting point |
116℃~119℃ |
|
Complied |
Loss on drying |
0.5% max |
|
Complied |
Residue on ignition |
0.1%max |
|
Complied |
Heavy metals |
10ppm max. |
|
Complied |
As |
1ppm max |
|
Complied |
Any other individual impurity |
0.5%max. |
|
0.13% |
Total impurities |
1.0% |
|
0.40% |
Particle size |
|
|
|
D90 |
150μm max. |
|
111μm |
D50 |
15~50μm |
|
19μm |
Description
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