Salicylic acid is a lipid soluble organic acid with the chemical formula C7H6O3. The appearance is a white crystalline powder with a melting point of 158-161 ℃. Found in willow bark, white pearl leaves, and sweet birch trees in nature, it is an important fine chemical raw material that can be used for the preparation of drugs such as aspirin.
The Function and Use of Salicylic Acid
- Standards for titration by alkalimetry and iodimetry. Fluorescent indicator, chelating indicator.
- This product is used as an anti coking agent and in the production of ultraviolet absorbers and foaming agents in the rubber industry.
- Used as a coordination indicator and coordination masking agent. Chromogenic agents and preservatives for titanium, zirconium, and tungsten plasma.
- Salicylic acid is used as an additive in some weakly acidic electrolytes and as a complexing agent for electroplating or chemical plating.
- Cosmetic preservatives. Mainly used in water cosmetics such as toilet water, prickly heat water, and quinine shampoo. In addition to its anti-corrosion and bactericidal effects, it also has functions such as dispelling sweat and odor, relieving itching and swelling, and relieving pain and inflammation.
- Mainly used as raw materials in the pharmaceutical industry, it is used for the preparation of drugs such as aspirin, sodium salicylate, salicylamide, painkillers, phenyl salicylate, and Schistosoma-67. The dye industry is used to prepare mordant dyed pure yellow, direct brown 3GN, acidic chrome yellow, etc. It is also used as a rubber vulcanization retarder and disinfectant preservative.
- Used as an accelerator for epoxy resin curing and also as a preservative. It can be used to prepare synthetic spices such as methyl salicylate and ethyl salicylate. The dye industry is used as a raw material for the preparation of direct dyes and acidic dyes. It can also be used as a rubber anti coking agent, disinfectant, etc.
- A small amount is used to prepare animal essence and other daily essence. Trace amounts are used in food as preservatives. It is an important raw material in the pharmaceutical industry
