Antazoline Sulfate

Q-2115-GMP, 4051168

Bachem Regulatory Documentation



2-(N-Phenyl-N-benzyl-aminomethyl)imidazoline · sulfate;
2-[(N-Benzylanilino)methyl]-2-imidazoline · sulfate;
4,5-Dihydro-N-phenyl-N-(phenylmethyl)-1H-imidazole-2-methanamine · sulfate

Fields of Application


Active Substance

The histamine H1 receptor antagonist antazoline, an imidazoline derivative, acts as an antihistamine and, hence, as an antiallergic agent. In ophthalmic solutions, usually in combination with a decongestant, antazoline sulfate is applied topically to relieve the symptoms of allergic conjunctivitis.

Molecular Information

Molecular Formula

2 C17H19N3 · H2SO4

Relative Molecular Mass

265.36 g/mol (net), 628.80 g/mol (hemisulfate)


91-75-8 (net), 84803-70-3 (hemisulfate)

Long-term Storage

5 ± 3 °C

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