It is mainly used for preparing phenol by alkali melting and resorcinol. It is often used as a catalyst in esterification and dehydration reactions; Dye intermediate.

6-Hydroxynaphthalene-2-Sulfonic Acid

CAS:93-01-6

Molecular Formula:C10H8O4S

Alias

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6-Hydroxy-2-Naphthalenesulfonic Acid; 6-Hydroxy-6-Sulfonic Acid; 2-Naphthol-6-Sulphonic Acid; Scheffers Acid; 2-Naphthol-6-Sodium Sulfonate; 2-Naphthol-6-Sulfonate Potassium; 2-Naphthol-6-Sulfonic Acid; 6-Hydroxynaphthalene-2-Sulphonic Acid; 2-Hydroxy-6-Naphthalenesulfonic Acid; 2-Hydroxy-6-Sulphonaphthalene; 2-Hydroxy-Naphthalene-6-Sulphonic Acid; 2-Naphthalenesulfonic Acid,6-Hydroxy; 2-Naphtol-6-Sulfosaure; 6-Naphthenol-2-Sulfonic Acid

Brief Introduction

This product is used to make acid dyes, edible dyes and pen inks.

2-Formylbenzenesulfonic Acid

CAS:91-25-8

Molecular Formula:C7H5NaO4S

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O-Sulfobenzaldehyde; 2-Sulfobenzaldehyde; Benzenesulfonic Acid, 2-Formyl-; 2-Formylbenzenesulfonate; Sodium 2-Formylbenzenesulphonate Dihydrate; Ortho-Formyl Benzene Sulfonic Acid; O-Sulfobenzaldehyd; O-Formyl-Benzenesulfonic Acid

Brief Introduction

This product is mainly used as dye intermediate.

Phosgene

CAS:75-44-5

Molecular Formula:CCl2O

Alias

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Phlsgene; Phosgenegas; Fosgen; Carbonic Dichloride; Dichloro-Ketone; Carbonyl Chloride; Combatgas; Phosgen; Thionyl Chloride; Fosgene; Fosgeen

Brief Introduction

Phosgene, viewed from the chemical structure, is a diacyl chloride derivative of carbonic acid. It is a very active electrophilic reagent and easy to hydrolyze. It is a severe asphyxiating toxic gas. Inhalation of high concentration can cause pulmonary edema. The toxicity is about 10 times greater than that of chlorine, but it has no accumulation effect in the body. Its common name is translated from Greek φως (light) + Γίνει (generated). Phosgene was originally produced by the decomposition of chloroform by light, so it has this name.

Terphenyl

CAS:26140-60-3

Molecular Formula:C18H14

Alias

More Information

1,1':3',1''-Terphenyl; M-Terphenyl; 1,3-Diphenylbenzene; M-Diphenylbenzene

Brief Introduction

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.

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