Anthrone

Anthrone C₁₄H₁₀O = 194.2 (90-44-8)

Analytical reagent grade of commerce.

A pale yellow, crystalline powder; melting point, about 155°.

When used in an assay for glucose or dextrans, complies with the following test.

Sensitivity to glucose Add, carefully, 6 mL of a 0.2% w/v solution in a mixture of 19 mL of sulfuric acid and 1 mL of water to 3 mL of a solution containing 5 µg of d-glucose per mL and heat in a water bath for 5 minutes. The solution is a darker green than a solution prepared in the same manner but omitting the glucose.