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| a purplish-red, water-soluble powder, C20H11N2O10Na3, an azo dye used chiefly to color pharmaceuticals, food, and garments |
| any of a class of chemical compounds having the general formula ROH, where R represents an alkyl group and ?OH a hydroxyl group |
abietic acid
the most abundant of several closely related organic acids that constitute most of rosin, the solid portion of the oleoresin of coniferous trees. Commercial abietic acid is usually a glassy or partly crystalline, yellowish solid that melts at temperatures as low as 85 C (185 F). It belongs to the diterpene group of organic compounds (compounds derived from four isoprene units)
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