c.i. pigment red 168

Name	Soluble Vat Brilliant Orange Irk
Synonyms	C.I. 59300 Vat Orange 3 Vat Orange 3 C.I.VATORANGE3 Pigment Red 168 C.I. Vat Orange 3 C.I. Pigment Red 168 c.i. pigment red 168 4,10-dibromoanthanthrone Helio Brilliant Orange RK VAT ORANGE 3 (TECHNICAL GRADE) Soluble Vat Brilliant Orange Irk 4,10-dibromo-dibenzo[def,mno]chrysene-6,12-dione 4,10-dibromonaphtho[7,8,1,2,3-nopqr]tetraphene-6,12-dione
CAS	4378-61-4
EINECS	224-481-3
InChI	InChI=1/C22H8Br2O2/c23-15-7-14-19-17-9(15)3-1-5-11(17)21(25)13-8-16(24)10-4-2-6-12(22(14)26)18(10)20(13)19/h1-8H

Molecular Formula	C22H8Br2O2
Molar Mass	464.11
Density	1.970
Boling Point	689.9±55.0 °C(Predicted)
Flash Point	229.6°C
Vapor Presure	6.92E-19mmHg at 25°C
Appearance	Powder
Color	Red to Very Dark Red
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.882
Physical and Chemical Properties	solubility: soluble in xylene and tetralin, slightly soluble in chloroform (heat), O-chlorophenol, pyridine, insoluble in acetone, ethanol and toluene; Dark green in concentrated sulfuric acid, after dilution, it is orange; It is red-purple in alkaline powder solution, and turns orange in case of acid. hue or shade: brilliant yellow relative density: 1.40-1.99 Bulk density/(lb/gal):11.6-16.5 melting point/℃:400 average particle size/μm:0.08 particle shape: needle specific surface area/(m2/g):30(Red 2Y) Ph/(10% slurry):4.8 oil absorption/(g/100g):40-58 hiding power: translucent reflectance curve:
Use	Dibromo anthracene and anthracene are typical vat dye pigments, giving a bright yellow red color. The specific surface area of Hostaperm Scarlet GO is 37 m2/g; Resistant to most organic solvents, is one of the best varieties of light and weather fastness pigment. Mainly used in high-grade industrial coatings, automotive coatings, architectural coatings and latex paint, also used in color matching with other red pigments; Used for metal decorative ink, light fastness up to 7 (1/3-25SD), thermal stability of 220 deg C/10min, resistant to sterilization treatment.

LogP	1.06 at 24℃ and pH7
EPA chemical information	Information provided by: ofmpub.epa.gov (external link)
use	reduced orange 3RK is used for dyeing cotton and printing cotton cloth, as well as dyeing flax, viscose and silk, with good leveling performance and medium affinity. It is also used to make organic pigments.
production method	products are obtained by amidation, rearrangement, hydrolysis, diazotization, aromatization, cyclization and bromination using 1,8-naphthalenedicarboxylic acid as raw material. The finished product is filtered, washed and dried..

Last Update：2024-04-09 19:05:12