3-Hydroxybenzaldehyde powder Raw Materials CAS 100-83-4

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Uses and synthesis of 3-Hydroxybenzaldehyde powder

3-Hydroxybenzaldehyde powder Colourless or light yellow crystalline solid.3-Hydroxybenzaldehyde CAS 100-83-4 Slightly soluble in water, soluble in hot water, ethanol, acetone, ether and benzene.3-Hydroxybenzaldehyde Raw Materials Can sublime. Cannot be distilled with water vapour.

Applications / Functions of 3-Hydroxybenzaldehyde powder

• 3-Hydroxybenzaldehyde powder is used in the synthesis of pharmaceuticals, dyes and organic compounds.
• 3-Hydroxybenzaldehyde CAS 100-83-4 Used as an intermediate in pharmaceuticals, dyestuffs, fungicides, photo emulsifiers and other fine chemicals.
• 3-Hydroxybenzaldehyde Raw Materials As an intermediate, it is mainly used in the manufacture of pharmaceuticals, spices, dyes, but also used in bactericides, photographic emulsifiers, nickel-plated luster agent, etc. The drugs synthesised from 3-Hydroxybenzaldehyde powder are mainly dehydroxyadrenaline hydrochloride, epinephrine, quinine, The main drugs synthesised from 3-Hydroxybenzaldehyde Powder are dehydroxyadrenaline hydrochloride, adrenaline, quinine, rytocaine, etc.

Schiff's reagent (Schiff'sreagent) of the colour development agent. Pharmaceuticals, plastics, dye intermediates. Bactericide. Photographic emulsifier.

Physicochemical Property of 3-Hydroxybenzaldehyde powder

Colourless or light yellow crystalline solid. Melting point 103-104 ℃, boiling point 240 ℃, 191 ℃ (6.7kPa). 3-Hydroxybenzaldehyde CAS 100-83-4 slightly soluble in water, soluble in hot water, ethanol, acetone, ether and benzene. Can sublimate, can not be water vapour distillation.

Production methodprocess of 3-Hydroxybenzaldehyde powder

1. It is obtained from m-nitroformaldehyde by addition, reduction, diazotisation and hydrolysis. Dissolve sodium bisulphite in water, add m-nitrobenzaldehyde, stirring at 50 ℃ to dissolve, get the adduct.
2. Adduct in the presence of calcium carbonate, and ferrous sulfate heating reflux 3h, reduced to amino.
3. The reduction solution is cooled to below 15 ℃, diazotised by adding sodium nitrite solution dropwise, and then hydrolysed at 100-110 ℃ to obtain m-hydroxybenzaldehyde. After decolourisation by activated carbon and recrystallisation with water, 3-Hydroxybenzaldehyde Raw Materials were obtained.

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