English name: Fluorescent Brightener 52
Alias: 7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one; 4-Methyl-7-(diethylamino)coumarin; Coumarin 1; MDAC; C.I. 551100; Fluorescent Brightener 140; Leucophor WS
Product name: Fluorescent Brightener 52; 7-Diethylamino-4-methylcoumarin; 7-Diethylamino-4-methyl-2H-1-benzopyran-2-one; Fluorescent Brightener WS; Fluorescent Brightener 140

Molecular structure: CAS Registry number: 91-44-1 (61968-71-6;12224-03-2), Fluorescent Brightener 52, 7-Diethylamino-4-methylcoumarin, 7-Diethylamino-4-methyl-2H-1-benzopyran-2-one, Fluorescent Brightener WS, Fluorescent Brightener 140
Molecular formula: C14H17NO2
Molecular weight: 231.29
CAS Registry number: 91-44-1 (61968-71-6;12224-03-2)
EC number: 202-068-9