Nitrogen Mustard HN-1

**Semantic type:** Pharmacologic Substance

**Definition:** A nitrogen mustard vesicant that is a slow-evaporating colorless to yellow oily liquid with a faint musty or fishy odor. It is absorbed into the body by inhalation, ingestion, eye contact, and skin contact, and is a powerful alkylating agent that binds to and crosslinks DNA, preventing cell duplication.

**Synonyms:** - HN1 - HN1 - NITROGEN MUSTARD HN-1