Pigment Red 8
Name:C.I.Pigment Red 8,C.I.12335
Molecular Structure: Single azo
C.I.Pigment Red 8,C.I.12335,CAS 6410-30-6,460.87,C24H17ClN4O4,Chemibrite Red KGR,Chemibrite Red R,Fast Re A4R,Fast Red F4R,Permanent Red G-68
Molecular Formula:C24H17ClN4O4
Molecular Weight: 460.87
CAS Registry Number:6410-30-6
Manufacturing Methods : 2-Methyl-5-nitrobenzenamine diazotization, and N-(4-chlorophenyl)-3-hydroxy-2-naphthamide coupling.
Properties and Applications:yellow red, shallow blue light pink. Red powder, colour and lustre is more bright-coloured. Acid resistance is good, resistance to solvents and alkali resistance is poor. In concentrated sulfuric acid for yellow big red, dilution after big red precipitation; In concentrated nitric acid for blu-ray big red; In the sodium hydroxide solution does not change color. Mainly used in printing ink, paper, cosmetics, paint, pencil and coloring, also used for artificial leather, rubber and plastic products coloring.
| Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
| Melting point | Stable | ||||||
| 5-6 | 305 | 4-5 150(20min) | 4 | 4-5 | 4 | 3-4 | |
List of Suppliers:
Jiangsu Multicolor Fine Chemical Industry Co.,Ltd.
HANGZHOU XIAOSHAN MINGSHENG INTERNATIONAL TRADE CO. LTD
Baoyuan Chemical Industry Co., Ltd
ADC Permanent Red F4RP (Amar Dye Chem Ltd)
Adycolor Red 2B (Inpal SA Industrias Quimicas)
Chemibrite Red KGR( Chemi-Dyestuffs Industries (Pvt) Ltd )
Chemibrite Red R( Chemi-Dyestuffs Industries (Pvt) Ltd )
Deepglo Red F4R (Deepak Colourants Pvt Ltd)
Dynamic Red TSA ( Dynamic Industries Ltd )
Everbright Fast Red F4R 3149 (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)
Fast Re A4R (Monarch Dyestuffs Industries)
Fast Red F4R (Sinochem Liaoning Import & Export Corporation)
Fast Red F4R (Sinochem Ningbo Imp & Exp Corp)
Fast Red F4R ( Shaanxi Foreign Tade )
Fast Red F4R( Bhavi International Ltd )
GF Red F4R(Goodlass Nerolac Paints Ltd)
Hajfast Red F4R(Haj Group)
Jupistar Fast Red J4R ( Jupiter Dyes Pvt Ltd )
Kohinoorment Red F4R(Krishna Chemicals)
Metrochem Organic Pigment Red No. 4 ( Metrochem Industries Ltd )
Navifast Red 4RS( Indian Dyestuffs Industries Ltd )
Orgaprin Red F4R(Organik Kimya San Vetic AS)
Perma Pigment Soap Fast Red H4R (Highland Organic Pigments Ltd)
Permanent Red F4R (Dintex Dyechem Ltd)
Permanent Red F4R(Sinochem Tianjin Imp Exp Corp)
Permanent Red F4R( Hoechst A G )
Permanent Red F4R (Fenchem Enterprises Ltd)
Permanent Red G-68(Hangzhou Dikai Chemical Co Ltd)
Pigment Red 8(CPMA )
Pigment Red H4R ( Sharda International )
Polymo Red R ( Kaseihin Kogyo Kyokai )
Red P43JR ( Mangal Vypar Pvt Ltd )
Sandal Red F4R( Sandal Dyestuff Industries (Pvt) Ltd )
Sanyo Rubine FR(Sanyo Color Works Ltd)
SF Red F4R 323 (Sudarshan Chemical Industries Ltd)
Suimei Fast Red F4R ( Kaseihin Kogyo Kyokai )
Tulaprint Fast Red GR( Atul Limited )
Uni Red F4R(Unity Dye Chem)
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