Molekula
Antimony powder 325 mesh , 99.9%
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
Antimony powder, a high-purity metallic element with a fine 325 mesh particle size (99.9% pure), is widely used in flame retardants, alloys, and semiconductor manufacturing due to its stability and resistance to corrosion. This CAS 7440-36-0 product (molecular weight 121.76 g/mol, formula Sb) is stored at ambient conditions and carries a **Warning** signal word for handling. Molekula supplies Antimony powder 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
Specifications available on request — see Documents below or contact our sales team.
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 | Hexagonal (rhombohedral) crystals |
| Melting Point | 630.03 °C (gray antimony); trans gray 0 (black antimony) |
| Boiling Point | 1587 °C |
| Density | 6.68 g/cm³ at 20 °C |
| Water Solubility | Insoluble in water |
| Vapour Pressure | 1 mmHg at 886 °C |
Source: PubChem CID 5354495 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90037273 |
| CAS Number | 7440-36-0 |
| IUPAC Name | antimony |
| Molecular Formula | Sb |
| Molecular Weight | 121.76 |
| Exact Mass | 120.9038 |
| SMILES | [Sb] |
| InChIKey | WATWJIUSRGPENY-UHFFFAOYSA-N |
| InChI | InChI=1S/Sb |
| PubChem CID | 5354495 |
| UN Number | UN2871 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 81101000 |
| Tariff Code | 8110100090 |
Safety & GHS
-
Serious Health Hazard
GHS08
Hazard statements
- H351 Suspected of causing cancer
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P202 Do not handle until all safety precautions have been read and understood
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- ANTIMONY
- Antimony element
- Antimony metal
- Antimony powder
- Antimony, elemental
- Antimony, metallic
- Antimony, regulus
- Antymon
- Stibium
- Stibium metallicum
Frequently asked questions
What is antimony powder (325 mesh, 99.9%) commonly used for?
Antimony powder is primarily used in flame retardants, alloys (e.g., lead-acid batteries, solder), and as a catalyst in chemical synthesis, as well as in pigments and semiconductors.
What is the chemical formula and molecular weight of antimony powder?
The chemical formula is **Sb** (elemental antimony), and the molecular weight is **121.76 g/mol**.
How should antimony powder (325 mesh) be stored?
Store in a cool, dry, well-ventilated area at ambient temperature, away from incompatible substances like strong oxidizers.
What purity grades of antimony powder does Molekula supply?
Molekula supplies antimony powder at **99.9% purity** (325 mesh).
Can Molekula supply antimony powder in bulk quantities?
Yes, Molekula can provide antimony powder in bulk, with quantities tailored to your specific requirements.
What documentation comes with an order of antimony powder?
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.