Pigment orange 64

Name	5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
Synonyms	12760 P.O.64 C.I. 12760 Pigment Orange 64 Cromophtal Orange GP C.I.Pigment Orange 64 Pigment orange 64 (C.I. 12760) 5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid 5-[2-(6-methyl-2-oxo-2H-benzimidazol-5-yl)hydrazino]pyrimidine-2,4,6(1H,3H,5H)-trione 5-(6-Methyl-2-oxo-2,3-dihydro-1H-benzimidazol-5-ylazo)hexahydropyrimidine-2,4,6-trione 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo- 5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]-2,4,6(1H,3H,5H-)Pyrimidinetrione 5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl) azo]-2,4,6(1H,3H,5H)-Pyrimidinetrione 5-(6-Methyl-2-oxo-2,3-dihydro-1H-benzimidazol-5-ylazo)-1,2,3,4,5,6-hexahydropyrimidine-2,4,6-trione
CAS	72102-84-2
EINECS	276-344-2
InChI	InChI=1/C12H10N6O4/c1-4-2-6-7(14-11(21)13-6)3-5(4)17-18-8-9(19)15-12(22)16-10(8)20/h2-3,8,17-18H,1H3,(H2,15,16,19,20,22)

Molecular Formula	C12H10N6O4
Molar Mass	302.25
Density	1.92
pKa	0.59±0.20(Predicted)
Refractive Index	1.878
Physical and Chemical Properties	hue or color: bright red orange density/(g/cm3):1.59 Bulk density/(lb/gal):13.4 melting point/℃:250 specific surface area/(m2/g):24 oil absorption/(g/100g):60 hiding power: translucent diffraction curve: reflection curve:
Use	in recent years, there are two grades of yellow-orange varieties put on the market by Ciba company (clomovtal orange GP; Orange GL), which are applied to plastic coloring and can withstand 300 ℃/5min in HDPE, only with the increase of temperature, the color tone is yellow, does not affect the crystallinity of the polymer, does not produce dimensional deformation; Has good resistance to migration in plastic PVC, can also be used for polyethylene and rubber products of coloring; For metal decorative printing ink, heat stability of 200.

EPA chemical substance information

Last Update：2024-04-09 21:01:54

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