82-18-8

Name	1,5-DIBENZAMIDOANTHRAQUINONE
CAS	82-18-8
EINECS(EC#)	201-401-5
Molecular Formula	C28H18N2O4
MDL Number	MFCD00045352
Molecular Weight	446.45
MOL File	82-18-8.mol

Synonyms

C.I.61725 C.I.Vat Yellow 3 Vat yellow 3 (C.I. 61725) 1,5-DIBENZAMIDOANTHRAQUINONE 1,5-Bis(benzoylamino)anthraquinone N,N'-1,5-anthraquinonylenebisbenzamide 1,5-Bis(benzoylamino)-9,10-anthraquinone N-[5-(benzoylamino)-9,10-diketo-1-anthryl]benzamide N-[5-(benzoylamino)-9,10-dioxoanthracen-1-yl]benzamide N,N′-(9,10-Dihydro-9,10-dioxoanthracen-1,5-diyl)bisbenzamid N,N'-(9,10-dihydro-9,10-dioxoanthracene-1,5-diyl)bisbenzamide n,n’-(9,10-dihydro-9,10-dioxo-1,5-anthracenediyl)bis-benzamid N-[9,10-dioxo-5-(phenylcarbonylamino)anthracen-1-yl]benzamide N,N’-(9,10-dihydro-9,10-dioxo-1,5-anthracenediyl)bis-Benzamide

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Chemical Properties

Melting point	390 °C
Boiling point	556.3±50.0 °C(Predicted)
density	1.409±0.06 g/cm3(Predicted)
pka	12.04±0.20(Predicted)
CAS DataBase Reference	82-18-8
EPA Substance Registry System	Benzamide, N,N'-(9,10-dihydro-9,10-dioxo-1,5-anthracenediyl)bis- (82-18-8)

Hazard Information

Preparation

1,5-Diaminoanthraquinone and Benzoyl chloride (2 Moore) condensation.

Synthesis

1,5-Bis(benzoylamino)anthraquinone , Indanthren Yellow GK, Mr 446.4, mp 350 ?C, is prepared from 1,5-diaminoanthraquinone with benzoyl chloride or from 1,5- dichloroanthraquinone with benzamide , .

Properties and Applications

yellow. Yellow powder. Soluble in four hydrogenated naphthalene and xylene. The strong sulfuric acid for dark olive brown, after diluted orange precipitation; In alkaline insurance powder is in stock for purplish red color; In the acidic insurance powder in the red ones, also for yellow. Can be used for the cotton fabric dyeing.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Fading	Stain
ISO	5	5	6	4-5	5	5	5
AATCC	5	5	5	4	4

Supplier

Shanghai Raise Chemical Technology Co.,Ltd

Telephone 15026594951

Websitehttp://www.raise-chem.com

Shanghai Synchem Pharma Co., ltd

Telephone021-61984905-1 18016477331

Websitehttp://www.synchem-pharma.com

Shaanxi DIDU pharmaceutical and Chemical Co., Ltd

Telephone17691182729 18161915376

Websitehttp://www.dideu.cn

Henan Alpha Chemical Co., Ltd.

Telephone0371-55013243 15324716602

Websitehttps://www.chemicalbook.com/supplier/24684125/

Wuhan Yuxiang Medical Technology Co., Ltd.

Telephone 13971275651

Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1155268/0.htm

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