Suqian Unitechem UV-531

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Suqian Unitechem UV-531
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	Chemical Name: 2-Hydroxy-4-Octyloxy Benxophenone CAS NO.: 1843-05-6 Properties: Freely soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, very slightly soluble in ethane dichloride. Use: It is capable of strongly absorbing ultraviolet radiation with the wavelength of 300-375nm, and has low volatility, being almost colorless. It is compatible with most of the polymers, particularly with polyolefin, also applicable to polystyrene, polyester, acrylic fiber etc. with the general dosage of 0.2-0.6%. Information Provided by Suqian Unitechem Co., Ltd.
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Physical Properties	Original Value	Comments

Ash	<= 0.10 %

Thermal Properties	Original Value	Comments
Melting Point	47.0 - 49.0 °C

Optical Properties	Original Value	Comments
Transmission, Visible	>= 90 %	450nm
	>= 95 %	500nm

Descriptive Properties
Appearance	Yellowish powder
Purity (%)	>99

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PSUQI17 / 104000

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