70693-49-1 Usage
Functionality
UV stabilizer and light stabilizer
Application Industries
Industrial and consumer products, plastics, rubber, adhesives, coatings, personal care products, and manufacturing of plastic and rubber products
Benefits
Protection from degradation caused by UV radiation and environmental factors, extending lifespan and maintaining structural integrity of materials and products, preventing photo-degradation of active ingredients in personal care products, enhancing durability and longevity of plastic and rubber products
Chemical Family
Phenolic antioxidant family
Check Digit Verification of cas no
The CAS Registry Mumber 70693-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,6,9 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70693-49:
(7*7)+(6*0)+(5*6)+(4*9)+(3*3)+(2*4)+(1*9)=141
141 % 10 = 1
So 70693-49-1 is a valid CAS Registry Number.
InChI:InChI=1/C28H41N3O/c1-25(2,3)17-27(7,8)19-15-20(28(9,10)18-26(4,5)6)24(32)23(16-19)31-29-21-13-11-12-14-22(21)30-31/h11-16,32H,17-18H2,1-10H3
70693-49-1Relevant articles and documents
Processes for the preparation of benzotriazole UV absorbers
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, (2008/06/13)
Provided is a process for preparing 2H-benzotriazole UV absorbers containing a perfluoroalkyl moiety at the 5-position of the benzo ring, for example a trifluoromethyl group, which involves diazotizing the perfluoroalkyl substituted o-nitroaniline using concentrated sulfuric acid plus sodium nitrite or nitrosylsulfuric acid to form the corresponding monoazobenzene intermediate via the diazonium salt intermediate which is reduced to the corresponding 5-perfluoroalkyl substituted 2H-benzotriazole UV absorber compound by conventional reduction means. Also provided is a novel one-pot, multiphase reaction for the preparation of 2(2-nitrophenylazo) substituted phenols, which are precursors for 2H-benzotriazole UV absorbers.
