SALICYLIC ACID 69-72-7

Physical properties

InChI: InChI = 1 / C7H6O3 / c8-6-4-2-6-4-2 (6) 7 (9) 10 / h1-4, 8 H, (H, 9, 10)

Appearance and properties: white needle crystal or wool crystalline powder.

Solubility: easily soluble in ethanol, ether, chloroform, slightly soluble in water, dissolved in boiling water.

Solubility: ethanol (alcohol) : 1 m (1 mol/L) at 20 ° C, the clear and colorless

Chemical properties

Stable at room temperature. It is rapidly heated and decomposed into phenol and carbon dioxide. Having partial acidity.

This article stimulates the skin, the mucous membrane, because can produce the reaction with the body tissue protein, therefore has the corrosive effect. Can make corneal proliferation after stripping. It is less toxic than phenol, but in large doses can cause vomiting, diarrhea, headaches, sweating, rashes, breathlessness, acidosis, and irritability. [2] white powder appearance, with yellow and pink tinge allowed

1. Standards for titration by alkalimetry and iodometry. Fluorescence indicator, complexation indicator.

2. This product is used as anti-coke agent in rubber industry, ultraviolet absorber and foaming agent, etc.

3. Used as matching indicator and masking agent. Titanium, zirconium, tungsten plasma color reagent and antiseptic.

4, salicylic acid in some weak acid electrolyte as an additive, can also be used as a complexing agent for electroplating or electroless plating.

5. Cosmetics preservatives. It is mainly used in water cosmetics such as toilet water, prickly heat water and quinine head water. In addition to antisepsis and bactericidal effect, there are functions such as dispel sweat odor, relieve itching and swelling, and relieve pain and inflammation.

6. It is mainly used as raw materials in the pharmaceutical industry for the preparation of aspirin, sodium salicylate, salicylamide, zhitong ling, phenyl salicylate, and blood-defense -67, etc. Dyestuff industry is used to prepare mordant dyeing pure yellow, direct brown 3GN, acid chrome yellow, etc. It is also used as rubber vulcanization retardant and antiseptic.

7. It can be used as a accelerator for curing epoxy resin or as a preservative. It can be used to prepare methyl salicylate, ethyl salicylate and other synthetic spices. Dyestuff industry is used as raw material for preparing direct dyestuff and acid dyestuff. Can also be used as rubber anti - coke agent, disinfectant.

8. A small amount is used for preparing animal flavor essence and other daily necessities. Used as a preservative in foods in trace amounts. It is an important raw material for the pharmaceutical industry.

9. Salicylic acid phenol plaster, commonly known as chicken eye ointment.