Overview
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.
References
Works cited in this page’s text, in first-appearance order. This is not the full corpus for this page; it is only what the prose above draws on. The complete set of sources is listed under Sources below. Each title links to its source record, which carries the ingest receipt, the extracted values, and the file hash of the document it was built from.
Update history
The five most recent substantive edits to this page, classified major (evidence or structure moved), correction (a published value or statement was wrong and has been fixed), or minor (narrative rewritten without changing the underlying evidence). Each description is derived from what the edit did to this page; the linked commit is the authoritative record, routine regeneration passes are excluded, and 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 | Change | Description |
|---|---|---|---|
| a8052bb | 2026-08-09 | major | 1 source added; contamination-profile values revised; 4 sections added |