Branch brothers free shipping selling paint for organic pigments Permanent Orange G PO13

Pigment Name: CI Pigment Orange 13 (CIPigment Orange 13; PO13) Alias: pyrazolone orange; Permanent Orange G; Pyrazolone Orange; Permanent Orange G Chemical name: 4,4 '- [[3,3'-dichloto (1,1'-biphenyl) -4,4'-diyl] bis [2,4-dihydro-5-methyl-2-phenyl-3H-Pyrazol-3-one] Molecular formula: C32H24Cl2N8O2 Molecular Weight: 623.48 CAS: 3520- 72-7 Properties: Solubility: insoluble in water; blue red solution was concentrated sulfuric acid, diluted orange red light precipitation; Case of concentrated nitric acid brown. Hue or shade: Orange red Relative density: 1.31-1.60 bulk density /(lb/gal):10.9-13.36 Melting point / ℃: 322-332 /μm:0.09 average particle diameter of the particle shape: cube surface area / (m2 / g ): 12-42 pH value / (10% slurry): 3.2-7.0 Oil absorption / (g / 100g): 28-85 opacity: translucent products purposes: the pigment formulations grades are 92 kinds of goods, and Shade Pigment Orange 34 similar translucent than the surface area of ??35-40m2 / g (Irgalite Orange D specific surface area of ??39m2 / g); mobility is not recommended due to appear colored plastic PVC; resistant vulcanized natural rubber, resistance to migration, it applies rubber coloring; detergent-resistant, water-resistant, used for swimming items, sponges, viscose fiber puree, packaging printing inks and metal decorative paint coloring, heat (200 ℃). Synthesis Principle: 3,3'-dichlorobenzidine (DCB) and hydrochloric acid, water, beating, adding sodium nitrite solution at 0-5 ℃ in the diazotization reaction, is added a diazonium salt prepared from 3-methyl- -1- phenyl-5-pyrazolone, and at pH = 9.5-10 coupling reaction was heated to 85-90 ℃, filtered, washed, and dried.