Solvent Yellow 21
Name:C.I.Solvent Yellow 21,C.I.18690
Molecular Structure: Single azo,Metal Complexes
Molecular Formula:C17H14N4O3
Molecular Weight: 322.32
CAS Registry Number:5601-29-6
Manufacturing Methods : 2-Aminobenzoic acid diazotization and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then in formamide solution in 113 ~ 115 ℃ and Chromium formate heating 6 hours, form Chromium complex, 1 mol chrome on 2 Moore dye.
Properties and Applications: yellow. Deep yellow powder. Mainly used for plastic coloring, also used in paint, ink and other supplies coloring.
Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | Well | >180 | 180 | Well | No change | No change |
List of Suppliers:
Solvent Yellow B,Oil Yellow 120,Oil Yellow 801
江苏Haimen Huanyu Chemical Factory.
Haining Hongyu Chemical Co., Ltd.
AP Yellow 21 ( AP Color Products )
Atul Anodal Fast Yellow R ( Atul Limited )
Bricosol Yellow K2R( Albion Colours Ltd)
Caprozol Brilliant Yellow 2K ( Open Joint Stock Company ‘Krasitel’ )
Complesol Yellow 6120 ( GCI Chemicals (HK) Ltd )
Dikai Solvent Yellow 21 (Hangzhou Dikai Chemical Co Ltd)
Filamid Yellow R( Ciba Specialty Chemicals Inc )
Intraplast Yellow GRW( Pylam Products Co. Inc. )
Lampranol Light Yellow 2RN ( Pylam Products Co. Inc. )
Lampronol Yellow 2RN( Avecia (Pigments & Additives) )
Meco Fast Yellow Y-20( Ming-Zu Chemical Industry’ Ltd )
Meco Fast Yellow Y-20-C ( Ming-Zu Chemical Industry’ Ltd )
Orgalon Yellow 120 ( Kelly Chemical Corporation )
Orgalon Yellow 120-T( Kelly Chemical Corporation )
Rathipon Fast Yellow R( Rathi Dye Chem Ltd )
Rosafast Yellow M2R( Rose Color Inc. )
Shaanxi Solvent Yellow 21( Shaanxi Foreign Tade )
Simpsol Yellow 23307 (Simpsons (UK) Ltd)
Technosol Fast Yellow R( Cosmonaut. Chemicals )
Tirasol Yellow (AOOT Khimprom)
Yellow BL (Sinochem Liaoning Import & Export Corporation)
Youhao Oil Yellow 2G (Sinochem Tianjin Imp Exp Corp)
Zapon Fast Yellow R [FIAT]( BASF Aktiengesellschaft )
Zapon Yellow 156(Classic Dyestuffs Inc)