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单词 purpurogallin
释义 purpurogallin
[´pǝr·pyǝ·rō`gal·ǝn]
ORGANIC CHEMISTRY
C11H8O5 A red, crystalline compound, the aglycon of several glycosides from nutgalls; decomposes at 274-275°C; soluble in boiling alcohol, methanol, and acetone; used as an antioxidant or to retard metal contamination in hydrocarbon fuels or lubricants.
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