Mercury-204 oxide
HgO · Hg-204 · Oxides
The supplier associates this chemical form with an element-family SDS. The PDF does not establish applicability to a particular isotope enrichment or batch.
Original safety data sheet
Open / download PDF Original supplier PDF

Mercury Oxide, Enriched Mercury Oxide. · 10 pages · Revision 2020-01-20
Product and document identity
- Product
- Mercury-204 oxide
- Isotope
- Hg-204
- Chemical formula
- HgO
- CAS number
- 21908-53-2
- Material form
- Oxides
- Physical form in PDF
- Solid (powder).
- SDS product name
- Mercury Oxide, Enriched Mercury Oxide.
- Document publisher
- Neonest AB / BuyIsotope
- Document scope
- Element family
- Language
- English
- Jurisdiction / regulation cited
- EU CLP cited
- Revision date
- 2020-01-20
- Document version
- 1.1.1
- Isotopic enrichment
- Not specified
- Concentration
- Not applicable
- Composition in PDF
- >99.9%
- Molecular weight in PDF
- 216.59
Source hazard summary
This is an index of source information. Consult the original SDS for complete handling, exposure and emergency instructions.
- Signal word
- Danger.
- Classification
- Acute Toxicity, Oral (Category 2) H300 Acute Toxicity, Dermal (Category 1) H310 Acute Toxicity, Inhalation (Category 2) H330 STOT RE (Category 2) H373 Aquatic Acute (Category 1) H400 Aquatic Chronic (Category 1) H410
- Hazard statement codes
- H300, H310, H330, H373, H400, H410
Isotope reference data
- Natural Abundance (%)
- 6.82
- Atomic Mass (Da)
- 203.9734939
- Neutron Number (N)
- 124
- Atomic Number (Z)
- 80
- Mass Number (A)
- 204
Source files and aliases
- mercury-204 oxide (HgO) — Supplier original
- hg-204 oxide (HgO) — Supplier original
- 204hg oxide (HgO) — Supplier original
Search aliases: mercury-204 Hg204 204Hg mercury mercury-204 oxide (HgO) hg-204 oxide (HgO) 204hg oxide (HgO)
16 SDS sections
- Identification — PDF page 1
- Hazard identification — PDF page 1
- Composition / information on ingredients — PDF page 2
- First-aid measures — PDF page 2
- Fire-fighting measures — PDF page 3
- Accidental release measures — PDF page 3
- Handling and storage — PDF page 4
- Exposure controls / personal protection — PDF page 4
- Physical and chemical properties — PDF page 5
- Stability and reactivity — PDF page 5
- Toxicological information — PDF page 5
- Ecological information — PDF page 6
- Disposal considerations — PDF page 6
- Transport information — PDF page 6
- Regulatory information — PDF page 7
- Other information — PDF page 8
Review and provenance
The supplier associates this chemical form with an element-family SDS. The PDF does not establish applicability to a particular isotope enrichment or batch.
Supplier product page · Supplier element directory · Supplier SDS index
Indexed / reviewed on 2026-09-26. Indexing date does not establish that this is the latest supplier revision.
Related records
| Product / isotope | Material / CAS | Document source |
|---|---|---|
| Mercury metal Hg · Hg | Metals and metalloids 7439-97-6 | Neonest AB / BuyIsotope Element family |
| Mercury oxide Hg · HgO | Oxides 21908-53-2 | Neonest AB / BuyIsotope Element family |
| Mercury-196 metal Hg-196 · Hg | Metals and metalloids 7439-97-6 | Neonest AB / BuyIsotope Element family |
| Mercury-196 oxide Hg-196 · HgO | Oxides 21908-53-2 | Neonest AB / BuyIsotope Element family |
| Mercury-198 metal Hg-198 · Hg | Metals and metalloids 7439-97-6 | Neonest AB / BuyIsotope Element family |
| Mercury-198 oxide Hg-198 · HgO | Oxides 21908-53-2 | Neonest AB / BuyIsotope Element family |
| Mercury-199 metal Hg-199 · Hg | Metals and metalloids 7439-97-6 | Neonest AB / BuyIsotope Element family |
| Mercury-199 oxide Hg-199 · HgO | Oxides 21908-53-2 | Neonest AB / BuyIsotope Element family |
| Mercury-200 metal Hg-200 · Hg | Metals and metalloids 7439-97-6 | Neonest AB / BuyIsotope Element family |
| Mercury-200 oxide Hg-200 · HgO | Oxides 21908-53-2 | Neonest AB / BuyIsotope Element family |
| Mercury-202 metal Hg-202 · Hg | Metals and metalloids 7439-97-6 | Neonest AB / BuyIsotope Element family |
| Mercury-202 oxide Hg-202 · HgO | Oxides 21908-53-2 | Neonest AB / BuyIsotope Element family |