The pyragollole

The pyragollole [Pyrogallolum; the formula C6H3(OH)3] - trioxybenzoic. The white crystalline powder, darkens in the air, temperature melting 133°, soluble in 2 h water, 1,5 hours of alcohol, 2 hours of airtime. The pyragollole is a strong reducing agent (see Polyphenols). Used in photography, for synthesis of a number of dyes, etc. Alkaline solutions P. used in gas analysis for the absorption of oxygen. In medicine the pyragollole previously used for the treatment of lupus erythematosus, psoriasis, certain fungal infections, as antiseptic and keratolytic agent (see Keratolytic, keratoplasticheskie funds) in the form of 5-10% ointments; as deodorizers stinking cold and ulcers (in the form of 1-3% solution).
The pyragollole toxic (destroys red blood cells, violates kidney function), so it was used only for treatment of small areas of the skin. Symptoms of poisoning: vomiting, diarrhea, chills, shortness of breath, convulsions, staining of blood in chocolate brown and urine, in the pink or dark color.
With leather pyragollole remove, washing alcohol, petrolatum, oil; if swallowed, rinse the stomach aqueous suspension of activated charcoal, burnt magnesia, etc., (see Phenols).
In the administration of pyragollole contraindicated inward fats, butter, cream, spirits.