C.I. Vat Orange 23

Name	Vat Orange 1
Synonyms	c.i. 59105 C.I. 59105 Vat Orange 1 CIVATORANGE1 c.i. vat orange 23 C.I. Vat Orange 23 CIBANONEGOLDENYELLOWRK C.I. Pigment Orange 77 Vat orange 1 (C.I. 59105) C.I. Vat Orange 1 (6CI,8CI) Bibromodibenzo[b,def]chrysene-7,14-dione dibromodibenzo[b,def]chrysene-7,14-dione Dibenzo(b,def)chrysene-7,14-dione, dibromo- 1,2-dibromodibenzo[c,pqr]tetraphene-7,14-dione 1,4-dibromodibenzo[c,pqr]tetraphene-7,14-dione
CAS	1324-11-4
EINECS	215-363-2
InChI	InChI=1/C24H10Br2O2/c25-18-10-9-14-13-6-7-16-19-12(11-3-1-2-4-15(11)23(16)27)5-8-17(20(13)19)24(28)21(14)22(18)26/h1-10H

Molecular Formula	C24H10Br2O2
Molar Mass	490.143
Density	1.84[at 20℃]
Boling Point	700.9°C at 760 mmHg
Flash Point	214.3°C
Water Solubility	8.337mg/L at 20℃
Vapor Presure	1.71E-19mmHg at 25°C
Refractive Index	1.807
Physical and Chemical Properties	hue or shade: brilliant yellow orange
Use	The pigment is a variety of dibenzo [a] pyrene diketone vat dye Bromo derivatives pigment, gives bright orange, has excellent application fastness characteristics, mainly used in industrial coatings and plastic coloring, can also be used for water-based printing ink and leather coloring.

LogP	8.06 at 25℃
EPA chemical information	Information provided by: ofmpub.epa.gov (external link)
use	reduced golden RK is mainly used for dyeing and printing cotton, viscose fiber, silk, polyester, vitamin cotton and polyester cotton. Because it is a severely brittle dye, it is mostly used for color matching and also used to make organic pigments.
production method	using reduced golden GK (C.I.Vat Yellow 4) as raw material, bromine is added for bromination until the bromine content reaches about 28%. 21kg 10%-13% fuming sulfuric acid, 1.82kg of reduced golden GK, 0.1kg of iodine, 0.07kg of sodium nitrite and 1.3kg of bromine were added to the reaction pot and brominated at 85-90 ℃. Dilute with water, filter and wash with water to obtain finished products.

Last Update：2024-04-10 22:29:15

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