Acetic Anhydride is a very useful synthetic intermediate. It is a reagent used generally in acetylation reactions in organic chemistry, primarily cellulose acetate and film material. It is also used in the production of aspirin, which is prepared by the acetylation of salicylic acid.

2,5-Hexanedione

CAS:110-13-4

Molecular Formula:C6H10O2

Alias

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Acetonylacetone; Hexan-2,5-Dion; 2,5-Hexadione; Hexane-2,5-Dione

Brief Introduction

2,5-hexanedione is an important organic chemical intermediate, which is widely used in medicine, spices, pesticides, photographic agents, electroplating and painting. It is used as high boiling solvent for synthetic resin, nitro spray paint, colorant, printing ink, leather tanning preparation, rubber vulcanization accelerator, pesticide and drug raw materials.

3-Methyl-1-Phenyl-1H-Pyrazol-5-Amine

CAS:1131-18-6

Molecular Formula:C10H11N3

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5-Amino-3-Methyl-1-Phenylpyrazole; 1H-Pyrazol-5-Amine, 3-Methyl-1-Phenyl-; 1-Phenyl-3-Methyl-5-Aminopyrazole; 5-Methyl-2-Phenyl-2H-Pyrazol-3-Ylamine; 3-Methyl-1-Phenylpyrazol-5-Ylamine; 5-Methyl-2-Phenylpyrazol-3-Amine; 1-Phenyl-3-Methyl-5-Amino Pyrazole; Pyrazole, 5-Amino-3-Methyl-1-Phenyl-; 1H-Pyrazole-5-Amine, 3-Methyl-1-Phenyl-; 3-Amino-5-Methyl-2-Phenyl-2H-Pyrazole; 5-Amino-1-Phenyl Methylpyrazole; 1-Phenyl-3-Methyl-5-Pyrazolamine; 5-Amino-3-Methyl- 1-Phenylpyrazole; 5-Amino-3-Methyl-Phenylpyrazole; 1-Phenyl-3-Methyl-5-Aminopyrazol; 3-Methyl-1-Phenyl-1H-Pyrazol-5-Ylamine; 5-Amino-3-Methyl-1-Phenylpyrazole, 97%; 5-Amino-3-Methyl-1-Phenyl-1H-Pyrazole; 5-Methyl-2-Phenyl-Pyrazol-3-Amine

Brief Introduction

3-Methyl-1-phenyl-1H-pyrazol-5-amine is mainly used as an intermediate of dyes and medicines.

4-Amino-3-Hydroxynaphthalene-1-Sulfonic Acid

CAS:116-63-2

Molecular Formula:C10H9NO4S

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1-Amino-2-Naphthol-4-Sulfonic Acid; 1-Amino-2-Naphtol-4-Sulfamic acid; 1-Naphthalenesulfonic Acid, 4-Amino-3-Hydroxy-; 4-Amino-3-Hydroxy-1-Naphthalenesulfonic Acid; 4-Amino-3-Hydroxy-1-Naphthalenesulfonic Acid, Acs, 98+%; 1-Amino-2-Naphth-4-Sulfonic Ac; 1-Amino-2-Naphthol-4-Sulfonic Acid Test Solution(Chp); 1-Amino-2-Naphthol-4-Sulphonic Acid Extrapure Ar; 3-Hydroxynaphthionic Acid; 4-Amino-3-Hydroxy-1-Naphthalenesulfonic Acid,95%; 4-Amino-3-Hydroxy-1-Naphthalenesulfonic Acid 1-Amino-2-Naphthol-4-Sulfonic Acid 4-Amino-3-Hydroxynaphthalene-1-Sulfonic Acid; 4-Amino-3-Hydroxy-1-Naphthalenesulfonic Acid,1-Amino-2-Naphthol-4-Sulfonic Acid

Brief Introduction

Intermediate of acidic mordant dyes and acidic complex dyes. Used for manufacturing acidic complex peach red B, acidic mordant black R, acidic complex salt GGN, acidic mordant jujube BN, etc. Also used for colorimetric determination of phosphates and calcium salts.

1-Naphthol-5-Sulfonic Acid

CAS:117-59-9

Molecular Formula:C10H8O4S

Alias

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L Acid; 5-Hydroxynaphtalin-1-Sulfonsaeure; 1-Naphtol-5-Sulfonic Acid; 1-Naphthol-5-Sulfonate; 5-Hydroxynaphthalene-1-Sulfonic Acid; 1-Naphthalenesulfonic Acid,5-Hydroxy; 1-Hydroxynaphthalene-5-Sulphonic Acid; 5-Hydroxynaphthalene-1-Sulphonic Acid; 5-Hydroxy-Naphthalin-1-Sulfonsaeure; 1-Naphthol-5-Sulfonic Acid Sodium Salt Tech; 5-Hydroxy-1-Naphthalenesulfonicaci; 5-Hydroxy-1-Naphthalenesulfonic Acid; 1-Naphthalenesulfonic Acid, 5-Hydroxy-; 1,5-Oxy Acid; 1-Naphthol-5 Sulfonic Acid

Brief Introduction

1-Naphthol-5-sulfonic acid is a white to reddish paste, soluble in water. This product is mainly used as an intermediate for the preparation of direct dyes and organic pigments, such as direct dark blue l, pigment purple paste BLC, Lake violet CK, etc., as well as photoreceptor 215 for the preparation of photoresist. In recent years, it has been used to synthesize photosensitizers for laser printing.

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