2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(3-nitrophenyl)diazenyl]-, sodium salt (1:2)

2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(3-nitrophenyl)diazenyl]-, sodium salt (1:2) structure

CAS No.: 5858-29-7

Chemical Name:: 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(3-nitrophenyl)diazenyl]-, sodium salt (1:2)

Synonyms: Acid Orange 18;C.I.Acid Orange 18:C.I.16120;2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(3-nitrophenyl)diazenyl]-, sodium salt (1:2)

CBNumber:: CB13239709

Molecular Formula:: C16H11N3Na2O9S2**

Molecular Weight:: 499.38278

MDL Number:

MOL File:: 5858-29-7.mol

Request For Quotation

2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(3-nitrophenyl)diazenyl]-, sodium salt (1:2) Chemical Properties,Uses,Production

Preparation

M-nitroaniline diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications

orange. Red orange powder. Soluble in water and ethanol, in 90 ℃ water solubility of 50 g/L, also can dissolve in acetone. The strong sulfuric acid dyes for product red, dilute to orange. The water solution is orange, and strong hydrochloric acid to red light orange; Add thick sodium hydroxide solution for orange still.

2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(3-nitrophenyl)diazenyl]-, sodium salt (1:2) Preparation Products And Raw materials

Raw materials

Disodium 2-naphthol-3,6-disulfonate 3-Nitroaniline

Preparation Products

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2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(3-nitrophenyl)diazenyl]-, sodium salt (1:2) Acid Orange 18 C.I.Acid Orange 18:C.I.16120 5858-29-7 C16H11N3O9S22Na