Triphenyl (also known as diphenylbenzene or biphenyl) is a kind of closely related aromatic hydrocarbons, which is composed of central benzene ring and two phenyl substituents. There are three isomers: o-triphenyl, m-triphenyl and p-triphenyl. Commercial cascaded triphenyls are generally mixtures of three isomers, which are used to produce polychlorinated biphenyls. PCTs were previously used as heat storage and transfer agents. P-terphenyl is the most common of the three isomers, which is used as raw material for dye laser and sunscreen.

4-Chloro-2-Nitroaniline

CAS:89-63-4

Molecular Formula:C6H5ClN2O2

Alias

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4-Chloro-2-Nitro-Phenylamine; Devol Red F; Benzenamine,4-Chloro-2-Nitro; Red Base Ciba VI; Benzenamine, 4-Chloro-2-Nitro-; Aniline,4-Chloro-2-Nitro; Devol Red Salt F; 2-Nitro-4-Chloroaniline; 4-Chloro-2-Nitro-Aniline; Red Base Irga VI; Azoamine red 2C; 1-Amino-2-Nitro-4-Chlorobenzene; Red Salt Nbgl; 4-Chloro-2-Nitrobenzenamine; Red Salt Ciba VI

Brief Introduction

A nitro-aromatic amine with mutagenicity and carcinogenicity activity.It is used to produce pigment sun resistant yellow 10g, disperse yellow 211, ultraviolet absorber UV-326, etc

2-Hydroxy-6-Nitro-4-Sulfonaphthalene-1-Diazonium

CAS:50412-00-5

Molecular Formula:C10H5N3O6S

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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.

Vat Red 29

Alias

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C.I.Vat Red 29

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

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