2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid
INCI Name: Benzophenone-4
Synonyms: Uv-284
CAS No.: 4065-45-6
EINECS No.: 223-772-2
Molecular Formula: C14H12O6S
Molecular Weight: 308.31g/mol
Structural Formula:
Solubility:Soluble in Water, Propylene Glycol, Isopropyl Alcohol, Ethanol. Insoluble in Mineral Oil and Isopropyl Myristate.
Property Specification
Appearance White or light yellow crystalline powder
Assay (%) Min. 99.0%
Heavy metals Max. 5ppm
Colour (Gardner-10% aqueous solution) Max. 1.0
Loss on drying Max. 3.0%
PH value 1.2-2.2
UV Absorbance Max @285nm Min. 460
UV Absorbance Max @523nm Min. 290
Melting Point(°C) Min. 140
Turbidity in water (EBC) Max. 1.5
Applications:
Water soluble category I UV-A/B sunscreen. It can used in cosmetic and textiles. Approved use level:5-10%. Soluble active is required.
Stability and Storage:
BP-4 should be stored in a closed system and be kept in a dark place without any light exposure.
Package:25 kg net cardboard drum
Shelf life:24 months
關鍵字： Benzophenone-4;BP-4