Tianjin Yuansu Chemical Reagent Co., LTD

Dimethyl (p-methoxy-benzyl idene)malonate

• Category :

  Paint and Coatings/Appliance Paint

• Synonyms :

  Cyasorb UV 1988;NSC 306435;Malonic acid, (p-methoxybenzylidene)-, dimethyl ester (8CI);Propanedioic acid, ((4-methoxyphenyl)methylene)-, dimethyl ester;Propanedioic acid, 2-((4-methoxyphenyl)methylene)-, 1,3-dimethyl ester;dimethyl (4-methoxybenzylidene)propanedioate;Propanedioic acid, (4-methoxyphenyl)methylene-, dimethyl ester;HOSTAVINPR-25;DIMETHYL(PARA-METHOXYBENZYLIDENE)MALONATE;4-Methoxybenzylidene malonic acid dimethyl ester;Dimethyl 4-methoxybenzylidenemalonate;UV-PR25;Hostavin BRE 25;

• CAS NO :

  7443-25-6

• EC NO :

  231-185-8

• Molecular Formula :

  C₁₃H₁₄O₅

• Molecular Weight :

  250.2473

• Main Specifications :

  99% min

• InChI :

  InChI=1/C13H14O5/c1-16-10-6-4-9(5-7-10)8-11(12(14)17-2)13(15)18-3/h4-8H,1-3H3

• Packing :

  25kg 50kg drum or bag

• Product description :

  　　Appearance:White crystal powder

  　　Assay: 99% min by HPLC

  　　IR Identity: conform to standard

  　　HNMR：conform to standard

  　　carbon spectrum: conform to standard

  　　Water by K. F.:0.5% max or as per the customer’s request

  　　Loss on drying:0.5% max. or as per the customer’s request

  　　M.P.: 55-60°C

• Uses :

  As a UV absorber (such as PR-25, UV-1988), it is used in solvent based coatings, industrial coatings, UV cured coatings, and varnishes, especially suitable for scenes with high color requirements. As a pharmaceutical intermediate, used for pharmaceutical

• Molecular Structure :