Pirogallol
Pirogallol, pirogallol kis- lota yoki 1,2, 3 — trigidrok-sibenzol — organik birikma, 3 atomli fenol; rangsiz, hidsiz, havoda qorayadigan kri- Stall modda. Mol.m. 126,11, suyuklanish t-rasi 133-134°, qaynash t-rasi 309°. … Batafsil
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