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Salicylic Acid

Salicylic Acid

CAS No.: 69-72-7
Molecular formula: C7H6O3
Molecular weight: 138.12
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Nature

Melting point

158-161 °C(lit.)

Boiling point

211 °C(lit.)

Density

1.44

Vapor density

4.8 (vs air)

Vapor Pressure

1 mm Hg ( 114 °C)

Refractive index

1,565

FEMA

3985 | 2-HYDROXYBENZOIC ACID

Flash point

157 °C

Storage conditions

Store at RT.

Solubility

ethanol: 1 M at 20 °C, clear, colorless

form

Solid

Acidity coefficient (pKa)

2.98(at 25℃)

colour

White to off-white

Acid-base indicator color change ph value range

Non0 uorescence (2.5) to dark blue 0 uorescence (4.0)

PH value

2.4 (H2O)(saturated solution)

Water solubility

1.8 g/L (20 ºC)

Sensitivity

Light Sensitive

Maximum wavelength (λmax)

210nm, 234nm, 303nm

Merck

14,8332

Sublimation point

70 ºC

BRN

774890

stability

Stable. Substances to be avoided include oxidizing agents, strong bases, iodine, fluorine. Combustible. Sensitive to light.

main application

Semiconductors, nanoparticles, photoresists, lubricating oils, UV absorbers, adhesive, leather, cleaner, hair dye, soaps, cosmetics, pain medication, analgesics, antibacterial agent, treatment of dandruff, hyperpigmented skin, tinea pedis, onychomycosis, osteoporosis, beriberi, fungicidal skin disease, autoimmune disease

InChIKey

YGSDEFSMJLZEOE-UHFFFAOYSA-N

CAS database

69-72-7(CAS DataBase Reference)


Chemical properties

White needle crystal or monoclinic crystal, with a spicy taste. Slightly soluble in water, soluble in acetone, turpentine, ethanol, ether, benzene and chloroform.


Use

1. Salicylic acid, also known as o-hydroxybenzoic acid, is an important organic synthetic raw material. In the production of pesticides, the intermediate used in the synthesis of organophosphorus insecticides, sulphate, methyl isoflavin, isopropyl salicylate, and the intermediate of the rodenticide, warfarin and coumatetralyl. Soybean; in the pharmaceutical industry, salicylic acid is used as an intermediate for various drugs such as acetylsalicylic acid (aspirin) in addition to itself as a disinfectant and antiseptic; it is also an important raw material for dyes, perfumes, rubber and other industries.

2. It is mainly used as a raw material for aspirin drugs and a raw material for pesticides such as sulphate, and can also be used in dye industry, refined chemical reagents, etc.

3. The pharmaceutical industry is used to prepare heat, analgesic, anti-inflammatory, diuretic and other drugs. The dye industry is used to make azo direct dyes and acid mordant dyes, and also used in spices, etc.


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