Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 81:4,C.I.45161:5

Molecular Structure: Xanthene

C.I.Pigment Red 81:4,C.I.45161:5,CAS 85959-61-1,428.52,C27H29N2O3+,Rhodamine YS PTMA

Molecular Formula:C₂₇H₂₉N₂O₃+

Molecular Weight: 428.52

CAS Registry Number:85959-61-1

Manufacturing Methods :3-(Ethylamino)-4-methylphenol and Phthalic anhydride condensation, the product with methanol and inorganic acid esterification, reoccupy phosphorus molybdenum tungsten acid lake change.

Properties and Applications:brilliant blue light red.

List of Suppliers:

Pigment Red 81:4 (CPMA)

Rhodamine YS PTMA(Magruder Color Company Inc.)