Einecs 256-582-3; 1-Naphthalenediazonium,2-Hydroxy-6-Nitro-4-Sulfo; 2-Hydroxy-6-Nitro-4-Sulphonaphthalene-1-Diazonium; 6-Nitro-1-Diazo-2-Naphthol-4-Sulfonic acid; N-(Propan-2-Ylideneamino)Propanamide

Brief Introduction

It can be used as dye intermediate.

Naphthol AS-G

CAS:91-96-3

Molecular Formula:C22H24N2O4

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N,N'-Bis(Acetoacetyl)-o-Toluidine; N,N'-(3,3'-Dimethyl-4,4'-Biphenyldiyl)bis(3-Oxobutanamide); Butanamide, N,N‘-(3,3‘-Dimethyl[1,1‘-Biphenyl]-4,4‘-diyl)bis[3-oxo-; Naphthol AS-G;; Cibanaphthol AG;; Acna Naphthol G;; Diacetylacetotolidide;; Naphtanilide G;; Naphthanil G;; Naphthoide G

Brief Introduction

It is mainly used for dyeing and printing of cotton yarn, cotton fabric, artificial cotton, bath towel, viscose fiber, silk and acetate fiber. It can also be used to make fast pigment yellow, etc

Sodium Dihydroxytartrate

CAS:866-17-1

Molecular Formula:C4H4Na2O8

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Dihydroxytartaric acid Disodium salt; Tetrahydroxy-Bernsteinsaeure,Dinatrium-Salz; Dipotassium Tetrahydroxybutanedioate; Disodium Tetrahydroxysuccinate; Dinatriumdihydroxytartrat; Tetrahydroxy-Bernsteinsaeure,Dinatrium-Verbindung; Butanedioic acid,2,2,3,3-Tetrahydroxy-,Sodium salt (1:2); Disodium Dihydroxytartrate; Disodium,2,2,3,3-Tetrahydroxybutanedioate; Disodium 2,2,3,3-Tetrahydroxybutanedioate; Tetrahydroxysuccinic acid,Disodium salt

Brief Introduction

The product is an organic synthetic intermediate used for the synthesis of tartrazine [1934-21-0]. Tartaric acid, also known as lemon yellow, is an edible synthetic pigment with high safety.

2R Acid

Molecular Formula:C10H9NO7S2

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2-Amino-8-Naphthol-3,6-Disulfonic acid

Brief Introduction

This product is a dye intermediate used for preparing azo dyes

P-Phenylenediamine Sulfate

CAS:16245-77-5

Molecular Formula:C6H10N2O4S

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