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disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate structure

CAS No.: 15139-76-1

Chemical Name:: disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate

Synonyms: orange B;C.I.19235;Orange 137;C.I.Acid Orange 137;C.I.Acid Orange 137:C.I.19235;disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate;disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate;Sodium (E)-4-[[3-(Ethoxycarbonyl)-5-oxo-1-(4-sulfonatophenyl)-4,5-dihydro-4-pyrazolyl]diazenyl]naphthalene-1-sulfonate;4,5-Dihydro-5-oxo-4-[[4-(sodiooxysulfonyl)-1-naphthyl]azo]-1-[4-(sodiooxysulfonyl)phenyl]-1H-pyrazole-3-carboxylic acid ethyl;4,5-Dihydro-5-oxo-4-[[4-(sodiooxysulfonyl)-1-naphtyl]azo]-1-[4-(sodiooxysulfonyl)phenyl]-1H-pyrazole-3-carboxylic acid ethyl ester

CBNumber:: CB7910609

Molecular Formula:: C22H19N4NaO9S2

Molecular Weight:: 570.52

MDL Number:

MOL File:: 15139-76-1.mol

Last updated:2023-04-23 13:52:06

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disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Properties

color	Dull orange crystals
FDA 21 CFR	74.250
Substances Added to Food (formerly EAFUS)	ORANGE B
FDA UNII	RGU455OS50

disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Chemical Properties,Uses,Production

Uses

In coloring sausage and frankfurter casings.

Preparation

Phenylhydrazine-4-sulfonic acid?and 2-Hydroxymaleic acid?ethyl ester derivatives of the sodium reaction, and partly hydrolysis, lost a ethyl, finally and diazo of 4-Aminonaphthalene-1-sulfonic acid matches.

Safety Profile

: When heated to decomposition emits toxic fumes of SOx.

Properties and Applications

dark orange. The strong sulfuric acid for purple, diluted into red; In strong hydrochloric acid for red; In 10% of sodium hydroxide solution for yellow orange, yellow light is palm diluted.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO
AATCC

disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Preparation Products And Raw materials

Raw materials

Naphthionic acid

Preparation Products

disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Suppliers

Global( 3)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hubei xin bonus chemical co. LTD	86-13657291602	linda@hubeijusheng.com	CHINA	22968	58
BOC Sciences	1-631-485-4226; 16314854226	info@bocsci.com	United States	14059	65
Shaanxi Dideu Newmaterial Co., Ltd.	029-63373950 15353716720	1052@dideu.com	China	10011	58

Supplier	Advantage
Hubei xin bonus chemical co. LTD	58
BOC Sciences	65
Shaanxi Dideu Newmaterial Co., Ltd.	58

15139-76-1(disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate)Related Search:

Acid Orange 154 Chromate(3-), [3-[[4,5-dihydro-3-methyl-5-(oxo-κO)-1-phenyl-1H-pyrazol-4-yl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)][2-(hydroxy-κO)-3-[[[2-(hydroxy-κO)phenyl]methylene]amino-κN]-5-nitrobenzenesulfonato(3-)]-, disodium hydrogen disodium 3-hydroxy-4-(phenylazo)naphthalene-2,7-disulphonate Benzo[a]phenazinium,5-hydroxy-7-phenylsulfo-, inner salt, sodium salt (9CI) Acid Orange 144

C.I. Acid Orange 142 3-[[2-[(N-Ethyl-N-phenylamino)sulfonyl]phenyl]azo]-4-hydroxy-1-naphthalenesulfonic acid sodium salt ACID ORANGE 156 Acid orange 16 (C.I. 16011)

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disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate orange B 4,5-Dihydro-5-oxo-4-[[4-(sodiooxysulfonyl)-1-naphthyl]azo]-1-[4-(sodiooxysulfonyl)phenyl]-1H-pyrazole-3-carboxylic acid ethyl 4,5-Dihydro-5-oxo-4-[[4-(sodiooxysulfonyl)-1-naphtyl]azo]-1-[4-(sodiooxysulfonyl)phenyl]-1H-pyrazole-3-carboxylic acid ethyl ester C.I.19235 C.I.Acid Orange 137 Sodium (E)-4-[[3-(Ethoxycarbonyl)-5-oxo-1-(4-sulfonatophenyl)-4,5-dihydro-4-pyrazolyl]diazenyl]naphthalene-1-sulfonate Orange 137 C.I.Acid Orange 137:C.I.19235 disodium 3-ethyl 4,5-dihydro-5-oxo-4-[(4-sulphonato-1-naphthyl)azo]-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate 15139-76-1 C22H16N4Na2O9S2