SPL Set ID: 8a6fa0b2-48e3-4c06-97c5-9ec3d6475a7c

Isoniazid is an antibacterial available as a clear solution with peppermint flavor for oral administration. Each 5 mL (teaspoonful) of oral solution contains 50 mg of isoniazid, USP. This product also contains as inactive ingredients: flavoring (peppermint), glycerin, methylparaben and propylparaben. Isoniazid is chemically known as isonicotinyl hydrazine or isonicotinic acid hydrazide. It has a molecular formula of C 6 H 7 N 3 O and a molecular weight of 137.14. It has the following structural formula: Isoniazid is odorless and occurs as a colorless or white crystalline powder or as white crystals. It is freely soluble in water, sparingly soluble in alcohol and slightly soluble in chloroform and in ether. Isoniazid is slowly affected by exposure to air and light. image description