It is used in organic synthesis. Intermediate of drug surge; It is used as solvent for acetate fiber, and also as plasticizer, surfactant and intermediate of dye. It is mainly used as solvent for acetate fiber, and also used for the preparation of plasticizer, surfactant, dye intermediate and drug, etc. as the solvent of dye intermediate mainly used as acetyl fiber. It is also used as plasticizer, surfactant, dye intermediate. It is used in the pharmaceutical industry to produce guachuang City oil ether, antiasthmatic drug theophylline, promohydrophylline, etc.

3-Amino-2-Hydroxy-5-Nitrobenzenesulfonic Acid Monohydrate

CAS:96-67-3

Molecular Formula:C6H6N2O6S

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2-Amino-4-Nitrophenol-6-Sulfonic Acid; 2-Hydroxy-5-Nitrometanilic Acid; 6-Amino-4-Nitro-1-Phenol-2-Sulfonic Acid

Brief Introduction

Acid yellow 99, acid brown 145, acid orange 56, 74, acid red 184, 361, mordant Brown 19, 21, 97, mordant green 26, solvent orange 145 and other dye intermediates. As a dye intermediate, it is mainly used to manufacture M-type reactive dyes and acid dyes.

5-Nitrosalicylic Acid

CAS:96-97-9

Molecular Formula:C7H5NO5

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Anilotic Acid; 2-Hydroxy-5-Nitrobenzoic Acid; Benzoic Acid, 2-Hydroxy-5-Nitro-

Brief Introduction

This product can be used as intermediate of medicine and dye.

Cyclohexanecarboxylic Acid

CAS:98-89-5

Molecular Formula:C7H12O2

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Benzoic Acid, Hexahydro-; Hexahydrobenzoic Acid

Brief Introduction

This product is used to synthesize medicine, pesticide, dye and other organic compounds.

Citrazinic Acid

CAS:99-11-6

Molecular Formula:C6H5NO4

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2,6-Dihydroxyisonicotinic acid; 2,6-Dihydroxypyridine-4-Carboxylic acid; 2,6-Dihydroxy-4-Carboxypyridine; 2,6-Dihydroxyisonicotinate; 2,6-Dihydroxy-4-Pyridinecarboxylic acid; 2-Hydroxy-6-oxo-1H-Pyridine-4-Carboxylic acid; 4-Pyridinecarboxylic acid, 2,6-Dihydroxy-; Isonicotinic acid, 2,6-Dihydroxy-; 6-Hydroxy-2-oxo-1,2-Dihydropyridine-4-Carboxylic acid; 4-Pyridinecarboxylic acid, 1,2-Dihydro-6-Hydroxy-2-oxo-; 2,6-Dihydroxy-Isonicotinic acid; 6-Hydroxy-2-oxo-1,2-Dihydro-Pyridine-4-Carboxylic acid; Isonicotinic acid,6-Dihydroxy-; 4-Pyridinecarboxylic acid,6-Dihydroxy-; 4-Pyridinecarboxylic acid,2-Dihydro-6-Hydroxy-2-oxo-; Isonicotinic acid, 1,2-Dihydro-6-Hydroxy-2-oxo-; Citrazinic acid-[13C6]; 4-Carboxy-2,6-Dihydroxypyridine; 6-Hydroxy-2-oxo-1,2-Dihydro-4-Pyridinecarboxylic acid

Brief Introduction

Citric acid is a light yellow acicular crystal or powder, which is carbonized but does not melt above 300 ℃. Soluble in sodium hydroxide or sodium carbonate solution, it turns blue after placing, slightly soluble in hydrochloride, almost insoluble in cold water. The color gradually darkens when exposed to light or air. It can be used in the synthesis of drugs, dyes and color film couplers.

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