Molekula
Lead(II) oxide 99.999%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Lead(II) oxide (PbO), also called litharge, is a high-purity inorganic compound primarily used in ceramics, glass manufacturing, and as a precursor in lead-based pigments and batteries. It serves as a flux in soldering and as a reagent in chemical synthesis due to its reactivity. This product is available at 99.999% purity with a CAS number of 1317-36-8 and a molecular weight of 223.20 g/mol. Store at ambient conditions under proper ventilation, as it carries a **Danger** signal word for toxicity and environmental hazards. Molekula supplies Lead(II) oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Crystalline powder |
| Assay/Purity | 99.999% min |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Yellow orthorhombic crystals |
| Melting Point | 887 °C |
| Boiling Point | 1470 °C |
| Density | 9.64 g/cm³ |
| Solubility (other solvents) | Insoluble in water, alcohol; soluble in acetic acid, dilute nitric acid, warm soln of fixed alkali hydroxides |
Source: PubChem CID 14827 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90038060 |
| CAS Number | 1317-36-8 |
| IUPAC Name | oxolead |
| EC Number | 215-267-0 |
| Molecular Formula | PbO |
| Molecular Weight | 223.20 |
| Exact Mass | 223.9716 |
| SMILES | O=[Pb] |
| InChIKey | YEXPOXQUZXUXJW-UHFFFAOYSA-N |
| InChI | InChI=1S/O.Pb |
| PubChem CID | 14827 |
| UN Number | UN2291 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2824100000 |
| Tariff Code | 2824100000 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
- H351 Suspected of causing cancer
- H360Df May damage the unborn child. Suspected of damaging fertility.
- H362 May cause harm to breast-fed children
- H372 Causes damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Lead monoxide
- Lead oxide (PbO)
- Lead Oxide Yellow
- Lead protoxide
- Litharge Pure
- oxolead
- Plumbi monoxidum
- Plumbous oxide
- Plumbum oxydatum
- Yellow Lead Ocher
Frequently asked questions
What is Lead(II) oxide (PbO) commonly used for?
Lead(II) oxide is primarily used in ceramics, glass manufacturing, lead-acid batteries, and as a pigment in paints and coatings.
What is the molecular formula and molecular weight of Lead(II) oxide?
The molecular formula is **PbO**, and the molecular weight is **223.20 g/mol**.
What safety classification does Lead(II) oxide have?
Lead(II) oxide is classified with the **Signal Word: Danger** due to its toxicity and health hazards.
How should Lead(II) oxide be stored?
Store in a **cool, dry place at ambient temperature**, away from incompatible substances and moisture.
Does Molekula offer Lead(II) oxide in bulk quantities?
Yes, we can supply Lead(II) oxide in bulk—please contact us for availability and pricing.
What documentation comes with an order of Lead(II) oxide?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.