1. A yellow coloration is developed upon exposure of santonin to light. 2. Santonin dissolves in alkalies with formation of salts of this carboxylic acid.3. This made the production of Santonin economically viable in India. 4. Santonin is neutral to litmus paper moistened with alcohol.5. From its solution in caustic alkalies, santonin is completely precipitated by supersaturation with an acid ". 6. During his tenure, the company held a virtual monopoly on e . g . santonin and cocaine. 7. The ethyl ester of the latter is obtained when an alcoholic solution of santonin is exposed to sunlight ( Sestini ). 8. Santonin yields, with an alcoholic solution of potassium hydrate, a bright pinkish-red liquid, which gradually becomes colorless.9. Edmund Rose is remembered for his research of color blindness, xanthopsia and the drug Santonin , and how Santonin affected color vision. 10. Edmund Rose is remembered for his research of color blindness, xanthopsia and the drug Santonin, and how Santonin affected color vision.
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