Pigment Red 81
Name:C.I.Pigment Red 81,C.I.45160:1
Molecular Structure: Xanthene
C.I.Pigment Red 81,C.I.45160:1,CAS 12224-98-5,443.56,C28H31N2O3+,Fast Pink Lake,Fast Pink Lake 6G,Fast Pink Toner,Fast Rose Lake,Solfort Magenta 5G
Molecular Formula:C28H31N2O3+
Molecular Weight: 443.56
CAS Registry Number:12224-98-5
Manufacturing Methods :3-(Ethylamino)-4-methylphenol and Phthalic anhydride condensation, the product with ethanol and inorganic acid esterification, reoccupy phosphorus 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 the same chemical structure (phosphorus molybdenum acid salt).
| Light Fastness | Heat resistance(℃ ) | Sodium carbonate
(5%) |
Muriatic acid
(5%) |
Oleic acid | PVC migration | Soap micelle bleeding | |
| Melting point | Stable | ||||||
| 5 | 4-5
(120 30min) |
Poor
General |
5 | 4-5 | 1 | ||
List of Suppliers:
HANGZHOU XIAOSHAN MINGSHENG INTERNATIONAL TRADE CO. LTD
D&C Red No 19 ( Sun Chemical Corp. )
Dispercel Rhodamine Red PPN-AS (Tennants Inks & Coating Supplies Ltd)
Evert)right Fast Pink Lake 6G 3285 (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)
Everbright Fast Pink Lake G 3288(Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)
Everbright Fast Pink Toner 3289 (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)
Fanatone Rose G ( Kaseihin Kogyo Kyokai )
Fast Pink Lake ( Shaanxi Foreign Tade )
Fast Pink Lake 6G (Sinochem Ningbo Imp & Exp Corp)
Fast Pink Toner (Sinochem Ningbo Imp & Exp Corp)
Fast Pink Toner (Sinochem Liaoning Import & Export Corporation)
Fast Pink Toner ( Shaanxi Foreign Tade )
Fast Rose Lake ( Kaseihin Kogyo Kyokai )
Flexiverse Red 81 (RCD-8100)( Sun Chemical Corp. )
Flexiverse Red 81 (RFD-9122) ( Sun Chemical Corp. )
Flexiverse Red 81 (RFD-9664)( Sun Chemical Corp. )
Foscolor PTMA Red 81(Foscolor Ltd)
Global Pigment Red 81 ( Global Colors Inc. )
Goodlass Toner Pink B (Goodlass Nerolac Paints Ltd)
Halopont Pink 2BM ( Pylam Products Co. Inc. )
Kohinoorment Pink Toner K34 (Krishna Chemicals)
Kromacryl Magnet CuFe (Kromachem Ltd)
Metrochem Organic Red No. 6( Metrochem Industries Ltd )
Neo Fast Pink( Kaseihin Kogyo Kyokai )
Panax Red 1050(UK Seung Chemical Co Ltd)
Pigment Red 81 (CPMA)
Rhodamine Red (Dispersion Technology Ltd)
Rhodamine Y PMA(Magruder Color Company Inc.)
Rhodamine Y PTA (Magruder Color Company Inc.)
Rhodamine Y PTMA (Magruder Color Company Inc.)
Seikalight Rose R-40(Dainichiseika Color & Chemicals)
Solar Red 77P( Pylam Products Co. Inc. )
Solfort Magenta 5G ( Bayer Group )
Sunbrite Red 81 (221 -0021)( Sun Chemical Corp. )
Sunquik Plus 100 (B21-8821)( Sun Chemical Corp. )
Sunset D (B21-2604) ( Sun Chemical Corp. )
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