Lead oxide
An inorganic lead salt composed from lead(2+) and oxide. — ChEBI
Safety documents & references
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Identity & molecular properties
Source-linked values| CAS number | 1317-36-8 | ChEBI ↗ |
| Molecular formula | O.Pb | ChEBI ↗ |
| Molar mass | 223.199 g/mol | ChEBI ↗ |
| Monoisotopic mass | 223.97157 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:81045 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 223 g/mol | PubChem ↗ |
| Exact mass | 223.97157 Da | PubChem ↗ |
PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.
Names & structural identifiers
Copy any identifierlead oxidelead(2+) oxideHTUMBQDCCIXGCV-UHFFFAOYSA-N[O-2].[Pb+2]InChI=1S/O.Pb/q-2;+2Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologySafety classification · Japan
NITE / Japanese governmentLead oxide · R07-B-034-JNIOSH
| Endpoint | Reported classification |
|---|---|
| Carcinogenicity | Category 2 |
| Reproductive toxicity | Category 1A, Additional category: Effects on or via lactation |
| Specific target organ toxicity - Single exposure | Category 1 (nervous system, blood system, kidney) |
| Specific target organ toxicity - Repeated exposure | Category 1 (nervous system, blood system, kidney) |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 223.199 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsPbOCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.