Vat Violet 10

CAS No.：128-64-3

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
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Vat Violet 10 Basic information

Product Name:	Vat Violet 10
Synonyms:	Benzadone Violet B;Benzo[rst]phenanthro[10,1,2-cde]pentaphene-9,18-dione;C.I. 60000;C.I. Vat Violet 10;Carbanthrene Printing Violet 2R;Dinaphtho(1,2,3-cd:1',2',3'-lm)perylene-9,18-dione;Isothrene;Isoviolanthrone A
CAS:	128-64-3
MF:	C34H16O2
MW:	456.49
EINECS:	204-901-1
Product Categories:	Organics
Mol File:	128-64-3.mol

Vat Violet 10 Chemical Properties

density	1.487±0.06 g/cm3(Predicted)
solubility	slightly sol. in Acetone,Toluene,Chloroform
Colour Index	60000
form	powder to crystal
color	Gray to Dark purple to Black
CAS DataBase Reference	128-64-3(CAS DataBase Reference)
NIST Chemistry Reference	Isodibenzanthrone(128-64-3)
EPA Substance Registry System	Benzo[rst]phenanthro[10,1,2-cde]pentaphene-9,18-dione (128-64-3)

Safety Information

MSDS Information

Vat Violet 10 Usage And Synthesis

Preparation

commonly known as Isoviolanthrone.(a) 7H-benzo[de]anthracen-7-one?chlorinated, with Potassium hydroxide of Etanol solution treatment; (b) 7H-benzo[de]anthracen-7-one?and Potassium hydroxide of Etanol solution in Xylene, Chlorobenzene or kerosene in heating; (c) 3-Chloro-7H-benzo[de]anthracen-7-one?the anthrone into corresponding sulfide or selenide and then use alkali treatment.

Properties and Applications

blue light purple. Soluble in 2 – Chlorophenol, Xylene to red, fluorescence, slightly soluble in Acetone, Chloroform, Pyridine and Toluene, insoluble in Etanol. In concentrated sulfuric acid for SAP green, purple precipitation after dilution, In the basic insurance powder solution for dark red light blue, in acid insurance powder solution for wine.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	3	5	5-6	4	4-5

Purification Methods

Dissolve isoviolanthrone in 98% H2SO4 and precipitate it by adding water to reduce the acid concentration to about 90%. It sublimes in vacuo to give dark green-violet needles [Parkyns & Ubblehode J Chem Soc 4188 1960]. [Beilstein 7 I 465, 7 II 815, 7 III 4538, 7 IV 2747.]

Vat Violet 10 Preparation Products And Raw materials

Raw materials	3-chlorobenzanthrone-->Benzanthrone-->Vat Violet 10
Preparation Products	DIBENZANTHRONE-->THRENE BRILLIANT VIOLET 3B-->6,15-dimethoxybenzo[rst]phenanthro[10,1,2-cde]pentaphene-9,18-dione-->Vat Violet 10

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