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).
| Parameter | Value |
|---|---|
| Oral RfD (mercuric chloride) | 0.3 µg/kg b.w./day (3 × 10⁻⁴ mg/kg/day) |
| CASRN | 7487-94-7 |
| Critical study | Autoimmune kidney effects in animals |
| Last revised | 1995-05-01 |
| Authority | EPA Integrated Risk Information System |
Sources
- EPA IRIS Hg — EPA IRIS Chemical Assessment Summary, Mercuric Chloride.
Page history
The five most recent substantive edits to this page. The full version history lives in git; when DOI minting comes online (see schema docs), each entry below will also link to a version-pinned DataCite DOI.
| Commit | Date | Description |
|---|---|---|
| b0f3d38 | 2026-06-12 | batch | corpus rescreen b04 old terminal skips |