Pigment Red 81:1
Name:C.I.Pigment Red 81:1,C.I.45160:3
Molecular Structure: Xanthene
Molecular Formula:C28H30N2O3
Molecular Weight: 443.56
CAS Registry Number:80083-40-5
Manufacturing Methods :3-(Ethylamino)-4-methylphenol and Phthalic anhydride condensation, the product with ethanol and inorganic acid esterification, reoccupy silicon molybdenum acid lake change.
Properties and Applications:brilliant blue light red. Soluble in water for red, green fluorescent, soluble in ethanol for red, red fluorescence. In concentrated sulfuric acid for yellow, red after diluted. Pigment solution to join sodium hydroxide have big red precipitation. With C.I.Basic Red 1 chemical structure the same (silicon molybdenum acid salt).
List of Suppliers:
Basic Pink Lake (Sinochem Liaoning Import & Export Corporation)
Eljon Pink TYNC ( European Colour (Pigments) Ltd )
Enceprint Pink 4830 ( BASF Aktiengesellschaft )
Fanal Pink D 4830( BASF Aktiengesellschaft )
Intorsol Extra Pink HW-9960 (Intennedios Organicos SA)
Intorsol Extra Pink HW-9969(Intennedios Organicos SA)
Intorsol Extra Pink NP-2624(Intennedios Organicos SA)
Lumiere Pink S.M. 8135C (Cappelle NV)
Pigment Red 81:l(CPMA)
Rhodamine Y SMA(Magruder Color Company Inc.)