Zinc antimonide CAS 12039-42-8
| CAS No. | 12039-42-8 |
| Molecular Formula | Sb3Zn4 |
| Molecular Weight | 626.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Zinc antimonide (CAS 12039-42-8), molecular formula Sb3Zn4 and molecular weight 626.92 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an inorganic composition, Zinc antimonide is typically white to off-white amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 626.92 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Zinc antimonide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | Sb3Zn4 |
| Molecular Weight | 626.92 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1960 |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com