A Chinese drug has been banned due to its serious side effects, local media reported on Friday. The drug was found to have serious adverse reactions after its marketing evaluation, the report said.
What Can Be Used Instead Of Phenolphthalein?
How Do You Get Phenolphthalein?
10 parts per million water. The ethanol should be diluted to 1 L with distilled water after adding 0 g of phenolphthalein powder in 750 mL. Add 0. The solution of 1 N sodium hydroxide (NaOH) drops to the first permanent faint pink end point. A colorless pH range of 8 is indicated by the color and pH range. 3-10. 0 red.
Does Lemon Juice Turn Phenolphthalein?
A pink substance is formed when sodium hydroxide, which is a base, is mixed with phenolphthalein. Pink solutions become colorless when the base is neutralized by citric acid, which is present in lemons. As the lemon stays acid, it has a colorless phenolphthalein indicator.
Does Salt Turn Phenolphthalein Pink?
The phenolphthalein indicator turns pink when the salt is diluted with water.
Can You Drink Phenolphthalein?
If swallowed, it can be harmful. There is limited evidence of a carcinogenic effect in the eye. Eye irritation may result from exposure to this substance. An irritation of the skin may occur.
What Phenolphthalein Is Used For?
Acid–base titrations are often accompanied by phenolphthalein. As a result of this application, it becomes colorless in acidic solutions and pink in basic solutions. A phthalein dye is one of the dyes in this class.
Is Phenolphthalein Safe To Use?
This Chemical Laboratory Information Profile is not a Material Safety Data Sheet because phenolphthalein is highly toxic.
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