uv-531-Chimasorb 81, Lowilite 22 supplier info@additivesforpolymer.com

UV 531, Chimassorb 81, CAS 1843-05-6

Chemical Name:

2-Hydroxy-4-n-octoxybenzophenone

FormulaC21H26O3 
Molecular Weight     326
CAS#1843-05-6

Specification:

Appearanceslightly yellow powder
Melting point47-49℃
boiling point> 300°C
Solubility(20℃)Water< 0.01
MeoH2
EtoH2
Acetone70
Ch2Cl267
Hexane25

Application:

>Features: Low yellowing; Good absorbance in the UV-B region; improves failure of coatings resulting from exposure to sunlight including discoloration, cracking and loss of adhesion.

>531 is a UV absorber for plasticized and rigid PVC, polyester, PS, Acrylate resins, vinyl ester based coatings, PU based coatings, alkyed resin coatings, improves the weather resistance of the coating.

>Its performance in outdoor applications can be improved further by use in synergistic combination with a hindered amine light stabilizer (HALS) such as HALS 292.

>The amount of UV 531 required for optimum performance should be determined in trials covering a concentration range.

Handing and Safety: 

>FDA approves, under the 21CFR178.2010 for use in aqueous foods, dairy products (water-in-oil emulsions), bakery products without oil, and dry foods without oil at a maximum concentration of 0.5%.

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet.

Package:

25kg per fiber drum, 9*3 layer 27drum per pallet,or according to customers’ requirements.

TDS & MSDS

uv 531 chimassorb 81 msds baoxu chemical

uv 531 chimassorb 81 tds baoxu chemical