Hebei ShengYang Biological Technology Co. Ltd(expird)
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CAS NO.119-61-9
General information:
Product name: Benzophenone
CAS No.: 119-61-9
Molecular formula: C13H10O
Molecular weight: 182.22
Solubility: Soluble in alcohol, ether and chloroform, insoluble in water
Specification:
| Item | Specification(Pharm grade) | Specification(Industrial grade) |
| Appearance | White crystal powder | White flakes |
| Assay | 99.9%min | 99.5%min |
| Color degree (Hazen) | 40 max | 70 max |
| Melting point | 47-49 ℃ | 47-49 ℃ |
| Volatility | 0.05% max | 0.05% max |
| Solution in Methanols | Clear and Colorles | Clear and Colorles |
Package: 25 kgs / fiber drum, 9MT / 20’FCL; 25 kgs / paper bag, 15MT / 20’FCL;
Application: As a photo inhibitor in UV-cured resins, inks and coating. Used in manufacturing of Benzophenone, Hydrazing and as raw material for pharmaceuticals.
| CAS |
119-61-9 |
| Name |
Benzophenone |
| Appearance | White powder |
| Application | Intermediates of pigments, medicines, spices and pesticides can also be used as photoinitiators for ultraviolet curing resins, inks and coatings. |
Details
|
Test Items |
Requirements |
Results |
|
|
Appearance |
White flake crystal,there are rose fragrance |
Complies |
|
|
Identification |
Melting point: 148-152°C |
148-150°C |
|
|
IR |
Complies |
||
|
TLC |
Complies |
||
|
A characteristic reaction of chloride |
Complies |
||
|
Appearance of solution |
No darker than BY4 |
Complies |
|
|
Specific rotation |
-0.10°-+0.10° |
0° |
|
|
Related substances |
≤0.50% |
0.17% |
|
|
Heavy metals |
≤20 ppm USP231 |
10 PPM |
|
|
Loss on drying |
≤0.5% USP731 |
0.02% |
|
|
Residue on ignition |
≤0.1% USP 281 |
0.02% |
|
|
Assay (HPLC) |
98%-102% |
99.8% |
|
|
Conclusion |
The product complies with USP32 |
||