Ultraviolet Absorbent UV-P - Product

Place of Origin : Shanghai,China

Product Description

Appearance: white to light yellow crystal powder
Content: ≥ 99%
Melting point: 128-130 °C
Loss on drying: ≤ 0.5%
Ash: ≤ 0.1%

Light transmittance:
Wave length nm Light transmittance %
440 ≥ 97
500 ≥ 98

Physical Specification

Other Specification : Synonyms: 2-(2-Benzotriazolyl)-4-methylphenol; 2-(2-Hydroxy-5-methylphenyl)benzotriazole; 2-(2-Hydroxy-5-methyl-phenyl)benzotriazole; 2-(2H-Benzotriazol-2-yl)-p-cresol; Drometrizole; UV Absorber-1; Benazol P Molecular Formula: C13H11N3O Molecular Weight: 225.3 CAS NO.: 2440-22-4 Chemical Structural Formula: Appearance: White To Light Yellow Crystal Powder Content: ≥ 99% Melting Point: 128-130 °C Loss On Drying: ≤ 0.5% Ash: ≤ 0.1% Light Transmittance: Wave Length Nm Light Transmittance % 440 ≥ 97 500 ≥ 98 Toxicity: Low Toxicity, Rattus Norvegicus Oral LD50 >5g/Kg Weight. Use: This Product Is Suitable In Polyester, Epoxy Cellulose Acetate, Polyvinyl Chloride, Organic Glass And Others. Max Absorption Wave Length Range Is 270-380nm. General Dosage: Thin Products: 0.1-0.5%, Thick Products: 0.05-0.2%. 1. Unsaturated Polyester: 0.2-0.5wt% Based On Polymer Weight 2. PVC: Rigid PVC: 0.2-0.5wt% Based On Polymer Weight Plasticized PVC: 0.1-0.3wt% Based On Polymer Weight 3. Polyurethane: 0.2-1.0wt% Based On Polymer Weight 4. Polyamide: 0.2-0.5wt% Based On Polymer Weight

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