China Suppliers > Wenzhou Color Bloom New materials Co., Ltd > Solvent Red 49
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Solvent Red 49
Category : Dyestuffs and Pigments/Solvent Dyes
CAS NO : EC NO : MF : MW : Product description : C.I.NO.: Solvent Red 49 Solvent Red BN, Solvent Red BR, Oil Red BN, Baso Red 546, Neptun Red Base 543, Oil Pink 312, Oil Pink FB, Rhodamine B Base; Neptun Red Base 543 (BASF); Orient oil Pink 312 (KKK) Molecular Formula: C28H30N2O3 Molecular Weight: 442.55 CAS Registry Number: 509-34-2 1. Manufacturing Methods: (a)3-(Diethylamino) phenol and Phthalic anhydride ondensation, alkali fusion, with sulfuric acid acid solution, and using hydrochloric acid crystallization, (b) 2-(3,6-Dichloro-9H-xanthen-9-yl) benzoic acid and Diethylamine in pressure reaction (BP 960088), then made C.I. Basic Violet 10 free base. 2. Properties and Applications: Soluble in water and ethanol for blue light red, with a strong fluorescence, slightly soluble in Acetone, soluble in Cellosole. In concentrated sulfuric acid for yellow brown, and have a strong green fluorescent, dilution after big red, then to blue light red and orange. Dye aqueous sodium hydroxide to join after heating is rose red flocks. Mainly used in oil, candles, rubber, plastic and transparent paint color. Standard Light Fastness Heat-resistant (℃) water Sodium Carbonate (5%) Hydrochloric acid (5%) Melting point Stable ISO Poor 160 110 Good Indissolable Indissolable 3. Physical and Chemical Properties: Test Items Specification Appearance Brilliant blue light pink. Shade BLUISH / Standard Test Conclusion Tinting Strength 100-105 % 102% Shade Similar or Minimal Level Similar Water ≦1.0 0.4 Insolubles ≦1.0 0.25 Heat Resistance 180 °C min Light Fastness 4-5 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 Volatile 105 °C 1.0% max Synonyms : C.I.Solvent Red 49;
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Solvent Red 49