Sulfonilic acid CAS# 121-57-3
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- Appearance: White or off-white powder.
- Assay: 99. 0%min.
- Packaging: 25kg/bag.
- Sample: Available.
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Quality Control of Sulfonilic acid
Quality Control & MSDS
Packing of Sulfonilic acid
Description of Sulfonilic acid
Sulfanilic acid (4-aminobenzenesulfonic acid ) is an off-white crystalline solid which finds application in quantitative analysis of nitrate and nitrite ions. The solid acid exists as a zwitterion, and has an unusually high melting point.
Basic Info of Sulfonilic acid
Sulfanilic Acid;4-Aminobenzenesulfonic acid,Aniline-4-sulfonic acid;4-Aminobenzenesulfonic acid,Aniline-4-sulfonic acid,Sulfanilic acid;4-Aminobenzenesulfonic acid,Sulfanilic acid;4-Aminobenzenesulfonic acid;Expand
UN 2790 8/PG 3
P280; P305 + P351 + P338
H315; H317; H319
Appearance & Physical State
light grey powder
0.1 g/100 mL (20 ºC)
Stable. Incompatible with strong oxidizing agents.
Store in dark
What is Sulfonilic acid?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Sulfonilic acid which has developed particularly rapidly in recent years. Do you know about Sulfonilic acid?
The official answer: The 4-Aniline sulfonic acid molecular formula is C6H7NO3S, is a white to off-white powder, in the air after absorbing moisture into white crystals, with a molecule of crystal water, temperature up to 100 ℃ to lose crystal water, at 300 ℃ began to decompose carbonization, slightly soluble in cold water, soluble in boiling water, insoluble in ethanol, ether and benzene, has obvious acidity, can be soluble in sodium hydroxide solution and sodium carbonate solution. It is used in the manufacture of azo dyes, etc. It can also be used as a pesticide for the prevention and control of wheat rust.
What’s the application of Sulfonilic acid?
- Used in the manufacture of azo dyes, etc., also used as a pesticide to prevent and control wheat rust.
- Mainly used in the manufacture of dyestuffs, printing and dyeing auxiliaries, and prevention of wheat rust and as intermediates for spices, food coloring, pharmaceuticals, whitening agents, pesticides, etc.
- Used in organic synthesis, also used as color layer analysis reagent, etc.
- Used as benchmark reagent, experimental reagent, and chromatographic analysis reagent.
- Reference reagent. Determination of aluminum, magnesium, potassium, sodium, iodine, iodide, and nitrite. Used with N-1-naphthyl ethylenediamine hydrochloride for the determination of nitrite, osmium, and ruthenium. Indirect determination of potassium by potassium nitrite. Determination of serum bilirubin, soil analysis. Also used to make printing and dyeing auxiliaries, pesticide fungicide, spices, food coloring, pharmaceutical building materials, and other fields.
- Used as analytical reagents, such as as a benchmark reagent for the determination of nitrite. Also used as a chromatographic reagent, and used in dye synthesis, pharmaceutical industry.
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