disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate)

disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) structure

CAS No.: 3564-70-3

Chemical Name:: disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate)

Synonyms: Einecs 222-648-5;GOLDEN YELLOW GK;Solubilised Vat Yellow 4;C.I. Solubilised Vat Yellow 4;Vat yellow 4 solubilized (C.I. 59101);C.I.Solubilised Vat Yellow 4 :C.I.59101;disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate);Dibenzo[b,def]chrysene-7,14-diol 7,14-di(sulfuric acid sodium) salt;Dibenzo(B,def)chrysene-7,14-diol, bis(hydrogen sulfate), disodium salt;Dibenzo(B,def)chrysene-7,14-diol, 7,14-bis(hydrogen sulfate), sodium salt (1:2)

CBNumber:: CB1877478

Molecular Formula:: C24H14O8S2.2Na

Molecular Weight:: 518.49

MDL Number:

MOL File:: 3564-70-3.mol

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disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Properties

EPA Substance Registry System	Dibenzo[b,def]chrysene-7,14-diol, bis(hydrogen sulfate), disodium salt (3564-70-3)

disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Chemical Properties,Uses,Production

Preparation

(a) in the presence of Pyridine, with chlorosulfonic processing C.I. Vat Yellow 4 leuco; (b) used in Pyridine?metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate) processing ?C.I. Vat Yellow 4. The above two kinds of circumstances are through with alkali, filter out the insoluble,, remove Pyridine and salting-out.

Properties and Applications

red light yellow. Orange powder. Soluble in water and acetone, slightly soluble in alcohol. The strong sulfuric acid for green light yellow, diluted into gold. The solubility in water is good, aqueous solution for under fluorescent light bright yellow. Used for the cotton fabric dyeing as red light yellow, to dead cotton covering power is better. The affinity of cotton fiber medium. This product can be used for printing of cotton, including direct printing, the dye printing, white color printing. Also can be used for silk, wool and PVA 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	4-5	4-5	5-6	5	4-5	3-4	4
AATCC	5	5	4-5	5	4

disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Preparation Products And Raw materials

Raw materials

Vat Yellow 4 Pyridine

Preparation Products

disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) Suppliers

Global( 2)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hunan Yongqi Chemical Co., LTD	0731-85561035 13319583233	yongqi@yongqichem.com	China	622	58
Hu' nan Yunbang Pharmaceutical Co., Ltd.	0731-85561020 15386497078	yunbang@yunbangapi.com	China	4252	58

Supplier	Advantage
Hunan Yongqi Chemical Co., LTD	58
Hu' nan Yunbang Pharmaceutical Co., Ltd.	58

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DIBENZO[B,DEF]CHRYSENE

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Vat yellow 4 solubilized (C.I. 59101) C.I. Solubilised Vat Yellow 4 Dibenzo[b,def]chrysene-7,14-diol 7,14-di(sulfuric acid sodium) salt Dibenzo(B,def)chrysene-7,14-diol, 7,14-bis(hydrogen sulfate), sodium salt (1:2) Dibenzo(B,def)chrysene-7,14-diol, bis(hydrogen sulfate), disodium salt Einecs 222-648-5 disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate) C.I.Solubilised Vat Yellow 4 :C.I.59101 Solubilised Vat Yellow 4 GOLDEN YELLOW GK 3564-70-3