See Table 1.
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5 mg per mL.
Nonproprietary name: Tropicamide.
Chemical name: (2RS)-N-Ethyl-3-hydroxy-2-phenyl-N-(pyridine-4-ylmethyl) propanamide.
Molecular formula: C17
Molecular weight: 284.35.
Description: Tropicamide occurs as a white crystalline powder. It is odorless and has a bitter taste.
It is freely soluble in ethanol (95) and in chloroform, slightly soluble in water and in diethyl ether, and practically insoluble in petroleum ether. It dissolves in dilute hydrochloric acid.
When 1.0 g of tropicamide is dissolved in 500 mL of water, the pH of the solution is between 6.5 and 8.0.
Melting point: 96~99°C.
5 mg per mL.
Nonproprietary name: Phenylephrine Hydrochloride.
Chemical name: (1R)-1-(3-Hydroxyphenyl)-2-methylaminoethanol monohydrochloride.
Molecular formula: C9
Molecular weight: 203.67.
Description: Phenylephrine hydrochloride occurs as white crystals or crystalline powder. It is odorless and has a bitter taste.
It is very soluble in water, freely soluble in ethanol (95), and practically insoluble in diethyl ether.
When 1.0 g of phenylephrine hydrochloride is dissolved in 100 mL of water, the pH of the solution is between 4.5 and 5.5.
Melting point: 140~145°C.