Molecular Formula: C16H13N5O4 Molecular Weight: 339.31 CAS Registry Number: 52256-37-8 Manufacturing Methods: 2-Amino-4-nitrophenol diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5 (4H) -one coupling, and then into chromium complex. Similar international barnds: Bricosol Orange K2RV (ACL); Brigh orange 3RRG (SIC); Complesol Orange 6209 (GCIH) Solvent Orange 262, Solvent Orange 2A, Solvent Orange R, Transparent Orange 602, Transparent Orange R, Oil Orange 209,Oil Orange 816; Meco fast Orange O-09 (MZ); Savinyl Orange RLSE (CLAR); Valifast Orange 3209 (KKK); Shaanxi Solvent Orange 62 (U); 1. Properties and Applications: Red orange. Orange powder. Insoluble in water, such as in the oil in the organic solvent solubility is admirable, and all kinds of resin has good compatibility, color and vivid colors. Acid and alkali resistance, good resistance to light and good heat resistance. 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. 2. Solubility parameter: Solvents Data Solubility (g/l) Alcohal 100 1-methoxy-2-propanol 200 N-propanol 50 2-ethoxyethanol 300 M.E.K 500 Ethxy Acetate 50 Toluene 50 Heat Stability 150°C 30min A 180°C 10min A 200°C 1min A Light Fasthess 7 3. Physical and Chemical properties: TEST ITEMS SPECIFICATION APPEARANCE Orange POWDER SHADE Reddish Melting point 169 °C Fineness ? Through 40MESH 90% passed WATER ? RESISTANCE 7 WATER SOLUBLE INSOLUBLE VOLATITE 105 °C 1.0% max TINTING ? STRENGTH 100-105 %

CAS NO:52256-37-8

EC NO:257-789-1

Molecular Formula:C₃₂H₂₃CrN₁₀O₈

Molecular Weight:727.5833

Synonyms:;C.I. SOLVENT ORANGE 62;2,4-Dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one chromium complex;C.I. 12714;Acid Orange 92;Hydrogen bis[4-[(2-hydroxy-5-nitrophenyl)azo]-3-methyl-1-phenyl-2-pyrazolin-5-onato(2-)]chromate(III);chromium(3+) hydrogen 5-methyl-4-[(3-nitro-6-oxocyclohexa-2,4-dien-1-ylidene)diazanidyl]-3-oxo-2-phenyl-2,3-dihydropyrazol-1-ide ({3-[(3-methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinylidene]-4-oxocyclohexa-1,5-dien-1-yl}imino)dioxidanide (1:1:1:1);

Molecular Structure: