Cosmetics raw materials CAS 4065-45-6 Benzophenone-4
Benzophenone-4 Description:
Product name: D
CAS NO.: 4065-45-6
Molecular Formula: C14H12O6S
Molecular Weight: 308.31
Chemical name: 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid
Benzophenone-4 Application:
Benzophenone-4 is a broad absorption UV absorber that is effective in the 280 - 360 nm range.
Benzophenone-4 is soluble water, the acid group need to be o be neutralized with one of the usual neutralizing agents,eg.triethanolamine and NaOH.
Benzophenone-4 is approved for skin care in the EU, the USA and Japan, it is widely used in sun preparations.
Benzophenone-4 can also be used in water borne coatings, water dyes and detergent to improve the weatherability.
EST | 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 |
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