Ultraviolet Absorbent UV-531 - Product

Place of Origin : Shanghai,China

Product Description

Appearance:light yellow crystal powder
Content: ≥ 99%
Melting point: 47-49°C
Loss on drying: ≤ 0.5%
Ash: ≤ 0.1%

Light transmittance:
Wave length nm Light transmittance %
450 ≥ 90
500 ≥ 95

Physical Specification

Other Specification : Ingredients: 2-hydroxy-4-(octyloxy)benzophenone Molecular Formula:C21H26O3 Molecular Weight:326 CAS NO.: 1843-05-6 Chemical Structural Formula: Technical Index: Appearance:light Yellow Crystal Powder Content: ≥ 99% Melting Point: 47-49°C Loss On Drying: ≤ 0.5% Ash: ≤ 0.1% Light Transmittance: Wave Length Nm Light Transmittance % 450 ≥ 90 500 ≥ 95 Toxicity: Almost Non-toxic,rattus Norvegicus Oral LD 50 =12g/Kg Weight. Use:This Product Is Mainly Used In Polyolefine, Polystyrene, Polyester, Polyamide Glue And Others. Man Absorption Wave Length Range Is 300-375nm. General Dosage 0.2-0.6% . Solubility: 25°C Unit:g/100mLsolvent Solvent Acetone Benzene Methyl Alcoholn-Heptane Alcohol (95%) Hexane Water Solubility 74 72 2 40 2.6 40.1 <0.5

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