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Chemical name
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2-Hydroxy-4-methoxy
benzophenone
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CAS No.
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121-57-7
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Formula
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C14H12O3
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Molecular weight
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228.25
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Introduction
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UV-9 is
benzophenone type UV absorber. It is compatible with many plastics. UV-9 particularly recommended for using in cosmetics. It is also
effective to protect PVC and unsaturated polyester resins.
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Physical properties
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Molecular Weight: 228
Appearance: slightly yellowish crystal powder
Purity: 99% min ( HPLC )
Ash content: 0.1% max.
Melting Point: 62 -64 Deg.C
LD 50,one single oral dose: >5,000 mg/kg(In rats
& mice)
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Advantage
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• Very strong UV absorptivity in the region
below 350 nm.
• Readily compatible with many plastics.
• Provide no effect on initial color of
substrates.
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Applications
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1. Cosmetics: 0.1~6.0 wt%
2. PVC : 0.2~0.5 wt% based on polymer weight.
3. Unsaturated polyester: 0.2~0.5 wt% based on polymer
weight.
4. Polyacrylate: 0.2~0.5 wt% based on polymer weight.
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Toxicity & Safety
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UV-9 can be
safely handled without irritation caused to the skin.
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Package
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In 25 kg carton drum with inner plastic bag.
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Storage
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In a closed system and dry, dark place without any
light exposure.
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