p-Hydroxybenzaldehyde is referred to as PHBA, its molecular formula is C7H6O2, its molecular weight is 122.12, and it is a light yellow or off-white crystal with a slightly aromatic odor.
Easily soluble in ethanol, ether, acetone, ethyl acetate, DMF, etc., slightly soluble in water (solubility in water at 30.5°C is 1.388g/100ml), soluble in benzene (solubility in benzene at 65°C is 3.68g/ml).
The process characteristics of P-Hydroxybenzaldehyde manufacturing are that the raw materials are easily available, the manufacturing process is relatively simple, but the yield is low and the cost is high.
p-Hydroxybenzaldehyde is an important organic synthesis intermediate and fine chemical product.
Using p-hydroxybenzaldehyde as raw material, a series of higher-level fine chemical products can be developed.
In recent years, with the rapid development of medicine, electronics, cosmetics and other industries, the demand for p-hydroxybenzaldehyde in the global market continues to increase.
P-Hydroxybenzaldehyde is widely used in fine chemical products such as medicine, fragrance, electroplating, food and pesticide.
In medicine, it can be used to synthesize broad-spectrum antibacterial synergist TMP of sulfonamides, ampicillin, intermediates of semi-synthetic oral penicillin, and intermediates such as p-hydroxyphenylpicrin.
It is also used in the synthesis of pesticides and herbicides bromoxynil and oxydiuronil, as well as in the production of fungicides, photographic emulsifiers, nickel-plating glosses, and liquid crystals.
In the pharmaceutical industry, it can be used to synthesize amoxicillin (amoxicillin), antibacterial synergist trimethoprim (TMP), 3,4,5-trimethoxybenzaldehyde, p-hydroxyglycine, amoxicillin cephalosporin , Artificial gastrodia elata, Rhododendron, Asiluoer, etc.
In the fragrance industry, it is used to synthesize fragrances such as vanillin, ethyl vanillin, jasmine aldehyde, syringaldehyde, anisaldehyde and raspberry ketone, which have good market prospects.
P-Hydroxybenzaldehyde is used as a new type of cyanide-free electroplating brightener in electroplating industry.
P-Hydroxybenzaldehyde is also a key raw material for the production of p-hydroxybenzoic acid (p-Hydroxybenzaldehyde is a key intermediate for the new generation of semi-synthetic Penicillium amoxicillin).
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