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Mr wang +86-18671013296
Mr wang +86-18671013296
2-Hydorxy-4-methoxy-benzophenone-5-Sulphonic Acid
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Quality standards:
| Item | Standard |
| Appearance | Yellow powder |
| Content | ≥99.0% |
| Melting point | 110-120℃ |
| Loss on drying | ≤3% |
| PH | 1.2-1.8（1% aqueous solution） |
| Light absorption | 285nm z≥416 |
| 325nm z≥256 |
Characteristics and uses: This product is non-toxic, non flammable, non explosive, and highly hygroscopic in the air. It is an excellent acidic aqueous solution ultraviolet absorber that can strongly absorb 290-400nm ultraviolet light. Widely used as a UV absorber for water-based polymer coatings and purple lacquer to prevent photocatalytic oxidation of water-based polymer coatings and purple lacquer: it is a good cosmetic sunscreen and UV absorber to improve the weather resistance of woolen fabrics. The general dosage is 0.2-1.5%.
Packaging: High pressure cardboard drum packaging, net weight 20kg.
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