EPA IRIS — Mercuric Chloride Oral Reference Dose

The EPA Integrated Risk Information System chemical assessment summary for mercuric chloride (HgCl2, CASRN 7487-94-7) provides the operative US federal oral reference dose for inorganic mercury (EPA IRIS Hg). The RfD was last revised May 1, 1995 and remains in force (EPA IRIS Hg).

ParameterValue
Oral RfD (mercuric chloride)0.3 µg/kg b.w./day (3 × 10⁻⁴ mg/kg/day)
CASRN7487-94-7
Critical studyAutoimmune kidney effects in animals
Last revised1995-05-01
AuthorityEPA Integrated Risk Information System

Sources

  • EPA IRIS Hg — EPA IRIS Chemical Assessment Summary, Mercuric Chloride.