disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate

CAS No.: 2347-72-0

Chemical Name:: disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate

Synonyms: E 111;CI 15980;ORANGEGGN;FOODORANGE2;CIFOODORANGE2;C.I.Food Orange 2:C.I.15980;disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate;6-Hydroxy-5-[(3-sulfophenyl)azo]-2-naphthalenesulfonic acid disodium salt;2-Naphthalenesulfonic acid, 6-hydroxy-5-(3-sulfophenyl)azo-, disodium salt;6-Hydroxy-5-(m-sodiooxysulfonylphenylazo)-2-naphthalenesulfonic acid sodium salt

CBNumber:: CB2876771

Molecular Formula:: C16H10N2Na2O7S2

Molecular Weight:: 452.36934

MOL File:: 2347-72-0.mol

Modify Date:: 2023/5/25 18:01:04

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disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate Properties

LogP	-0.095 (est)

disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate Chemical Properties,Uses,Production

Preparation

3-Aminobenzenesulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

bright orange. Soluble in water for golden brown, slightly soluble in ethanol for light golden brown. The strong sulfuric acid in orange, orange for gold after diluted. The dye solution to join strong hydrochloric acid for golden brown; Add thick sodium hydroxide solution for red light orange brown.

disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate Preparation Products And Raw materials

Raw materials

Metanilic acid 6-Hydroxynaphthalene-2-sulphonic acid

Preparation Products

disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate Suppliers

Global( 24)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
Shanghai Acmec Biochemical Technology Co., Ltd.	+undefined18621343501	China	33338	58	Inquiry
SHANGHAI KEAN TECHNOLOGY CO., LTD.	+8613817748580	China	40066	58	Inquiry
Shanghai Haohong Scientific Co., Ltd.	400-400-8210725	China	39953	58	Inquiry
HONEST JOY HOLDINGS LIMITED	+86-755-26404303	United States	6675	54	Inquiry
Shanghai JONLN Reagent Co., Ltd.	400-0066400 13621662912	China	9978	55	Inquiry
Shanghai Jizhi Biochemical Technology Co. Ltd.	4009004166/18616739031 18616739031	China	52693	58	Inquiry
Shanghai Jingke Chemical Technology Co., Ltd.	021-54997581 13524423207	CHINA	6972	58	Inquiry
Shanghai Caiyou Industrial Co., Ltd.	021-34661276 18616021677	CHINA	6893	58	Inquiry
Shanghai Zhenyu Biological Technology Co., Ltd.	15801849740	CHINA	6970	58	Inquiry
Shanghai Hao Biological Technology Co., Ltd.	021-58116080 18019263206	CHINA	6906	58	Inquiry

Supplier	Advantage
Shanghai Acmec Biochemical Technology Co., Ltd.	58
SHANGHAI KEAN TECHNOLOGY CO., LTD.	58
Shanghai Haohong Scientific Co., Ltd.	58
HONEST JOY HOLDINGS LIMITED	54
Shanghai JONLN Reagent Co., Ltd.	55
Shanghai Jizhi Biochemical Technology Co. Ltd.	58
Shanghai Jingke Chemical Technology Co., Ltd.	58
Shanghai Caiyou Industrial Co., Ltd.	58
Shanghai Zhenyu Biological Technology Co., Ltd.	58
Shanghai Hao Biological Technology Co., Ltd.	58

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disodium 6-hydroxy-5-[(3-sulphonatophenyl)azo]naphthalene-2-sulphonate CI 15980 2-Naphthalenesulfonic acid, 6-hydroxy-5-(3-sulfophenyl)azo-, disodium salt E 111 ORANGEGGN CIFOODORANGE2 FOODORANGE2 6-Hydroxy-5-(m-sodiooxysulfonylphenylazo)-2-naphthalenesulfonic acid sodium salt 6-Hydroxy-5-[(3-sulfophenyl)azo]-2-naphthalenesulfonic acid disodium salt 2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) C.I.Food Orange 2:C.I.15980 2347-72-0