4-Hydroxybenzoic acid(CAS#99-96-7)

Chemical Property:

Molecular Formula	C7H6O3
Molar Mass	138.12
Density	1,46 g/cm3
Melting Point	214-217℃
Boling Point	336.2°C at 760 mmHg
Flash Point	171.3°C
Water Solubility	5 g/L (20℃)
Solubility	Slightly soluble in water, chloroform, soluble in ether, acetone and benzene, soluble in ethanol in any proportion, almost insoluble in carbon disulfide. Dissolve in 125 parts of cold water.
Vapor Presure	4.48E-05mmHg at 25°C
Appearance	White to Beige Crystalline Powder
Storage Condition	2-8℃
Sensitive	Sensitive to light
Refractive Index	1.4600 (estimate)
MDL	MFCD00002547
Physical and Chemical Properties	Properties of white powder Crystal, tasteless, odorless, taste when the tongue numbness sense soluble in hot water and alcohol, ether, acetone, micro-soluble in cold water, benzene, insoluble in carbon disulfide. Dissolved in 125 parts of cold water
Use	Mainly as the basic raw materials of fine chemical products, parabens (parabens) as food, medicine and cosmetics preservatives, has been widely used, it is also widely used in the preparation of various dyes, fungicides, color film and a variety of oil-soluble color forming agents, etc., with a wide range of applications of new high temperature resistant polymer P-Hydroxybenzoic acid polyester also as a basic raw material.

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Product Detail

Product Tags

Hazard Symbols	Xi – Irritant
Risk Codes	R36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 – Wear suitable gloves and eye/face protection

4-Hydroxybenzoic acid(CAS#99-96-7)introduce
Hydroxybenzoic acid, also known as p-hydroxybenzoic acid, is an organic compound.

Its main properties are as follows:

Physical properties: Hydroxybenzoic acid is a white or slightly yellow crystal with a unique aromatic odor.

Chemical properties: Hydroxybenzoic acid is slightly soluble in water and soluble in alcohols. It is an acidic carboxylic acid that can form salts with metals. It can also react with aldehydes or ketones, undergo condensation reactions, and form ether compounds.

Reactivity: Hydroxybenzoic acid can undergo neutralization reaction with alkali to form benzoate salt. It can participate in esterification reaction under acid catalysis to generate p-hydroxybenzoate ester. Hydroxybenzoic acid is also an intermediate of plant growth regulators.

Application: Hydroxybenzoic acid can be used to synthesize plant growth regulators, dyes, fragrances, and other chemicals.

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99-96-7