Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Fluorescent Brightener 185

Molecular Structure: Thiophene,Benzoxazole

C.I.Fluorescent Brightener 185,CAS 12224-41-8/2866-43-5,318.35,C18H10N2O2S,Fluorescent Brightener EBF,Fluorescent Brightener PB

Molecular Formula:C₁₈H₁₀N₂O₂S

Molecular Weight: 318.35

CAS Registry Number:12224-41-8/2866-43-5

Manufacturing Methods :2-Amino-4-methylphenol (2 Moore) and Thiophene-2,5-dicarboxylic acid condensation, cooling crystallization, decoloring, recrystallization.

Properties and Applications:blue. Orange crystalline powder. Cellulose acetate, nylon, polyester, PVC, and polypropylene fiber and three vinegar can be used the staining dyeing, more suitable for high temperature high pressure dyeing method, also suitable for continuous process. Can be in hypochlorite, peroxide or insurance powder used in bleaching liquid. Melting point of 216 ~ 220 ℃. In the polyester fiber on the chlorine bleaching, resistance to light and excellent soaping fastness. Also suitable for polyolefin plastic and ABS engineering plastics, organic glass, etc.

List of Suppliers:

Fluorescent Brightener EBF,Fluorescent Brightener PB
Nantong Lisi Organic Chemicals Co.,Ltd.(Nangtong Lisi Chemical Auxiliaries Co.,Ltd)