Solvent yellow 18

Product：Solvent yellow 18
C.I. Name/No:Solvent yellow 18 C.I.12740
CAS 6407-78-9
Hue:Bright - Greenish Yellow
Synonyms：2,4-Dihydro-5-methyl-2-phenyl-4-(phenylazo)-3H-pyrazol-3-one); 1-Phenyl-3-methyl-4-phenylazo-5-pyrazolone; 3-Methyl-1-phenyl-4-(phenylazo)-pyrazol-5-ol; 4-Phenylazo-1-phenyl-3-methyl-5-pyrazolone
Molecular Structure
Molecular Formula:C₁₈H₁₈N₄O
Molecular Weight:306.36
Foreign relative brand:
Indasol Yellow M (IKL)
Naviplast Yellow 9 (IDI)
Oil Yellow DX (DDL)
Vicosol Yellow 18 (VCC)
Waxol Yellow DX(DEVI)
Oilsol Yellow SEG (RH)
Use:In hydrocarbon solvents, for coloring oil, fat, soap, candles etc.

Light Heat(℃) Water Soda (5%) hydrochloric acid (5%) melting point stability good 155 90>210sublimate insoluble unaffected unaffected