ChemicalBook--->CAS DataBase List--->2379-81-9

2379-81-9

2379-81-9 Structure

2379-81-9 Structure
IdentificationBack Directory
[Name]

VAT BLACK 27
[CAS]

2379-81-9
[Synonyms]

C.I. 69005
C.I.VATBLACK27
Indonon Olive R
Novatic Olive R
Navinon Olive R
Calcoloid Olive R
Anthramar Olive R
Cibanone Olive 2R
Vat Olive Green R
Dycosthren Olive R
Mikethrene Olive R
Ostanthren Olive R
Trianthrene Olive R
Nihonthrene Olive R
Indanthrene Olive R
Youhaothrene Olive R.
Vat black 27 (C.I. 69005)
C.I.Vat Black 27:C.I.69005
OXEFCDNMUKTKDV-UHFFFAOYSA-N
VAT BLACK 27 ISO 9001:2015 REACH
Benzamide, N,N-(10,15,16,17-tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho2,3-a:2,3-icarbazole-6,9-diyl)bis-
N,N'-(10,15,16,17-Tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-6,9-diyl)bisbenzamide
N,N'-(10,15,16,17-tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-6,9-diyl)bis(benzamide)
[EINECS(EC#)]

219-169-9
[Molecular Formula]

C42H23N3O6
[MOL File]

2379-81-9.mol
[Molecular Weight]

665.649
Chemical PropertiesBack Directory
[Boiling point ]

685.54°C (rough estimate)
[density ]

1.537
[refractive index ]

1.7800 (estimate)
[pka]

11.19±0.20(Predicted)
[EPA Substance Registry System]

Benzamide, N,N'-(10,15,16,17-tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-6,9-diyl)bis- (2379-81-9)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H317
[Precautionary statements ]

P261-P272-P280-P302+P352-P333+P313-P321-P363-P501
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Sulfuric acid-->Copper(II) sulfate-->Copper-->1,2-Dichlorobenzene-->Potassium chlorate-->1-Aminoanthraquinone-->1,4-Diamino anthraquinone-->1,4-Diamino-2,3-dihydroanthraquinone-->1-Chloro anthraquinone
[Preparation Products]

Vat Brown 68-->Vat Brown 72
Hazard InformationBack Directory
[Preparation]

(a) N-(4-chloro-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide?and N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide in the presence of copper condensation, then use Chlorosulfonic acid cyclization, (b) N-[4-(4-benzoylimino-9,10-dioxo-anthracen-1-ylidene)amino-9,10-dihydroxy-anthracen-1-yl]benzamide?in sulfuric acid central change, then the product oxidation.
[Synthesis]

4,4'-Bisbenzoylamino-1,1'-dianthrimide- 2,2'-carbazole , Indanthren Olive R, is prepared from 4,4'-bisbenzoylamino- 1,1'-dianthrimide by ring closure in concentrated sulfuric acid .
[Properties and Applications]

brown light grey. Black powder. Soluble in 2 – Chlorophenol, slightly soluble in Chloroform and Pyridine , not soluble in Acetone, Etanol, Toluene and Xylene. In concentrated sulfuric acid for red, dilution after flocculent olive green precipitation. Alkaline reduction leuco for red brown; Acid reduction leuco for yellow brown. Mainly used in cotton fiber dyeing, suitable for suspension pad dyeing, also used for cotton yarn of the jig dyeing cotton and the impregnation, rarely used for printing. Can with other VAT dye spell dyed noise. Dyeing silk, affinity and levelness were good, also used for Fiber/cotton blended fabric dyeing.
Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 3 4-5 7 4-5 4-5 4-5 4-5
AATCC 3 4-5 7 4 4-5
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