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ultraviolet absorbent UV-284,BP-4
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| Post Date: | May 29,2007 |
| Expiry Date: | Jul 28,2007 |
| Detailed Description: | Cas No. : [4065-45-6] ultraviolet absorbent UV-284,BP-4 2-Hydroxy-4-Methoxy-benzophenone- 5-sulfonic Acid Alias: ultraviolet absorbent UV- 284,BP-4 Molecular Formula: C14H12O6S Molecular Weight: 308.31 CAS NO.: [4065-45-6] Structural Formula: Appearance: white or light yellow powder Melting Point: ≥ 150癈 Drying Loss: ≤ 2.0% (can also be tailored upon clients' request) Assay: ≥ 99.0% PH Value: 1.2-2.2 Turbidity of aqueous solution: ≤ 2.0 EBC Chroma: ≤ 2.0 Heavy Metal: ≤ 5ppm Specific Absorptivity(285nm): ≥ 460 Specific Absorptivity(325nm): ≥ 290 Toxicity: non-irritative to human skin Packing: sterilization, cardboard drum lined with vacuum bag 20 kg/drum or 25kg/drum Storage: closed tight and avoid light Features & Use: it is a water- souble and broad-spectrum ultraviolet absorbent with high absorptivity and non-toxicity; stable to light and heat; can absorb both UV-A and UV-B. it is a Type Ⅰsunscreen agent approved by FDA,and widely used in sunscreen cosmetics. Shelf Life: 24 months, 60days after unsealing |
| Company: | Yichang Chuxinyuan Chemical Co.,Ltd. |
| Contact: | LIUCHANGHUA |
| Tel: | 13235620988 |
| Fax: | 86-717-8924499 |
| Email: | Send Message |
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