Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: 4-Methyleneoxetan2-one CA Name: 2-Oxethanone,4-methylene- Molecular Structure: Molecular Formula:C4H4O2 Molecular Weight: 84.07 CAS Registry Number: 674-82-8

Name: Barbituric acid CA Name: 2,4,6(1H,3H,5H)-Pyrimidinetrione Molecular Structure: Molecular Formula:C4H4N2O3 Molecular Weight: 128.09 CAS Registry Number: 67-52-7

Name: 5-Methyl-3H-pyrazol-3-one CA Name: 3H-Pyrazole-3-one,2,4-dihydro-5-methyl- Molecular Structure: Molecular Formula:C4H4N2O Molecular Weight: 96.09 CAS Registry Number: 108-26-9

Name: 2-Amino-3,5-dinitrothiophene CA Name: 2-Thiophenamine,3,5-dinitro Molecular Structure: Molecular Formula:C4H3N3O4S Molecular Weight: 189.15 CAS Registry Number: 2045-70-7

Name: Furan-2,5-dione CA Name: 2,5-Furandione,dihydro- Molecular Structure: Molecular Formula:C4H2O3 Molecular Weight: 98.06 CAS Registry Number: 108-30-5