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Product Detail

Product Detail

副标题

UV-284 (BP-4)

CAS NO. : 4065-45-6
Molecular Formula : C14H12O6S
Molecular Weight : 308.31
Chemical name : : 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid
Product Details


SPECIFICATION AND PHYSICAL PROPERTIES

TEST

UNIT

SPECIFICATION

APPEARANCE


OFF WHITE POWDER

ASSAY

%

99.00MIN

MELTING POINT

160.00MIN

VOLATILES

%

2.00MAX

PH


1.20-2.20

COLOR

Gardner

4.0MAX

TURBIDITY

NTU

16.0MAX

HEAVY METAL

ppm

20MAX

SPECIFIC EXTINCTION



285nm


460MIN

325nm


290MIN

K VALUE


45.0-50.0


FEATURE AND APPLICATION

UV-284 is a broad absorption UV absorber that is effective in the 280 - 360 nm range.

UV-284 is soluble water, the acid group need to be o be neutralized with one of the usual neutralizing agents,eg.triethanolamine and NaOH.

UV-284 is approved for skin care in the EU, the USA and Japan, it is widely used in sun preparations.

UV-284 can also be used in water borne coatings, water dyes and detergent to improve the weatherability


PACKING

25Kg Fiber Drum,450KG to a pallet


STORAGE

Keep container tightly closed and dry and storage in cool place


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