Guaifenesin with CAS 93-14-1 99% Purity Pham Grade

White crystalline powder, melting point 78.5-79℃, boiling point 215℃ (2.53kPa). At 25℃ 1g of this product can be dissolved in 20ml water, soluble in ethanol, chloroform, glycerol, dimethylformamide, along easily soluble in benzene, insoluble in petroleum ether. Slightly bitter, slightly special smell. Guaiacin is an expectorant, also known as guaiane, methoxybendiether, guaiacin and glycerin guaiacin ester. After oral administration, it can stimulate gastric mucosa reflex and cause bronchial mucosa gland secretion to increase, reduce the viscosity of sputum and make sticky sputum easy to cough up. It also has antiseptic effects, can reduce the odor of sputum, but also has antitussive, spasmodic, anticonvulsive effects, for chronic bronchitis with phlegm cough, lung abscess, bronchiectasis and secondary asthma, and is often used with other antitussive and antiasthmatic drugs.