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Detail

Chemical name : :2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid

CAS NO. :4065-45-6

Molecular Formula :C14H12O6S

Molecular Weight :308.31

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


Yantai Zhuotai New Material Technology co., LTD

The main products are polyurethane soft and hard foam anti-yellowing agent and Chain Extender, UV Absorber, sunscreen cosmetics series and other four major product series.