China Suppliers > Wenzhou Color Bloom New materials Co., Ltd > Solvent Red 8
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- Region :China/Zhejiang
- Tel : 86-577-88556683
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- Email :sales@colorbloomdyes.com
- URL :www.colorbloomdyes.com
- Add :No.1616-1617,Lixite E-Commerce Mansion, Huichang Road, Quxi Street, Ouhai District, Wenzhou, Zhejiang Province, China
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Solvent Red 8 33270-70-1
Category : Dyestuffs and Pigments/Solvent Dyes
CAS NO : 33270-70-1 EC NO : 251-436-5 MF : C32H23CrN10O8 MW : 727.585 Product description : C.I. No.: Solvent red 8 Molecular Formula: C16H13N5O4 Molecular Weight: 339.31 CAS Registry Number: 33270-70-1 Other Chemical name: Solvent Red B, Solvent Red BL, Transparent Red 108, Transparent Red GB, Oil Red 324, Oil Red 328, Oil Red 353, Oil Red 805, Fast Red R; Bright red 2RD; Meco fast red R-24(MZ); Orgalon Red 324(KCC); Savinyl Red 2BLSE(CLAR); Valifast Red 3304(OCA); Zapon Fast red BE Manufacturing Methods: 2-Amino-5-nitrophenol diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then in Formamide solution and Chromium formate common heating (110 ℃ 4 ~ 5 hours), transforming the Chromium complex (2 Moore single azo dye to 1 mol chrome). 1. Properties and Applications: Brilliant blue light red. Red powder. Soluble in ethanol, slightly soluble in ethyl acetate. Have very good solvent solubility, and all kinds of resin has good compatibility, bright color, the acid, alkali, light and heat are stable. The dye suitable for high grade wood, natural or synthetic leather color. And used in printing ink, vacuum plating, aluminum foil or other metal coloring, precious stones and glass color, appliance car coating, printing paste can, plastic coloring. Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%) Melting point Stable ISO Well >180 160 Well Insoluble No change 2. Physical and Chemical properties: TEST ITEMS SPECIFICATION APPEARANCE RED POWDER SHADE BLUISH HEAT RESISTANCE 220 °C min LIGHT FASTNESS 5~6 ACID RESISTANCE 4 ALKALI RESISTANCE 5 WATER RESISTANCE 5 DENSITY 1.30 g/cm3 RESIDUE ON 80 MESH 5.0% max WATER SOLUBLE 1.0% max VOLATITE 105 °C 1.0% max TINTING STRENGTH 100-105 % Synonyms : C.I. SOLVENT RED 8;Chromate(1-), bis(2,4-dihydro-4-((2-(hydroxy-kappaO)-4-nitrophenyl)azo-kappaN1)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-kappaO3)-, hydrogen;Solvent Red 8;Chromate(1-), bis(2,4-dihydro-4-(2-(2-(hydroxy-kappaO)-4-;EINECS 251-436-5;Chromate(1-), bis(2,4-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-))-, hydrogen;Chromate(1-), bis(2,4-dihydro-4-(2-(2-(hydroxy-kappaO)-4-nitrophenyl)diazenyl-kappaN1)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)-kappaO3)-, hydrogen (1:1);Hydrogen bis(2,4-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-))chromate(1-);Red B;chromium; 4-[[4-(dioxidoamino)-6-oxo-1-cyclohexa-2,4-dienylidene]hydrazono]-5-methyl-2-phenyl-pyrazol-3-one; hydron; (3-methyl-5-oxo-1-phenyl-pyrazol-2-id-4-yl)-[(4-nitro-6-oxo-1-cyclohexa-2,4-dienylidene)amino]azanide; Molecular Structure : 
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Solvent Red 8