Other Name: P-Hydroxy Benzaldehyde; 4-Hydroxybenzaldehyde; Para-Hydroxy Benzaldehyde; PHBA CAS No :123-08-0 Molecular Formula: C7H6O2   Product Usage: It's the important intermediates of pharmaceutical industry and spices. In foreign, it's also used for synthesis of bromoxynil and chloroxynil which are kind of herbicides, and also used in the manufacture of bactericide, photographic emulsifier, nickel plating luster agent, liquid crystal, etc; In the pharmaceutical field, it can be used for synthesis of amoxicillin, antibacterial synergistic agent named TMP, 3,4,5-Trimethoxybenzaldehyde, Artificial gastrodia elata, farrerol, esmololhydrochloride; In the spicery field, it can be used for synthesis of spicery,for example: vanillin, ethyl vanillin, piperonal, springaldehyde, p-anisaldehyde, raspberry ketone natural, etc. Appearance: Light Yellow Crystalline Powder Purity: 99% min Melting Point: 114.5-117°C min Water: 0.5 % max Appearance: White Crystalline Powder Purity: 99.5% min Melting Point: 115.5-117°C min Water: 0.3 % max