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Product: | BENZOPHENONE-4 | |
英文别名 | 5-BENZOYL-4-HYDROXY-2-METHOXYBENZENESULFONIC ACID; SULISOBENZONE;spectra-sorb uv 284;2-HYDROXY-4-METHOXYBENZOPHENONE-5-SULPHONIC ACID;Uv absorber BP-4(UV-284) | |
CAS NO. | 4065-45-6 | |
Molecular formula | C14H12O6S | |
Molecular weight | 308.31 | |
EINECS NO.: | 223-772-2 | |
Certificate of Analysis | ||
Item | Specification | |
Appearance | Off-white or light yellow crystaline powder | |
Identification | AUV bsorptivities do not differ by more than 3.0% | |
Water | ≤2.0% | |
Assay(Titration) | 97.0%~103.0% | |
Residual solvents | Ethanol≤5000ppm | |
Impurities(HPLC) | Benzophenone-3:≤0.2% | |
Individual impurity:≤0.10% | ||
Total imprities:≤0.5% |
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