Calcium phosphide
Calcium phosphide (CAS: 1305-99-3, Formula: Ca₃P₂) is an inorganic compound with a molecular weight of 182.18 g/mol. It is supplied by Tech Serve Solutions in a particle size of 1-7 mm, with an assay of ≥8% active phosphorus. This reactive compound finds primary use in chemical synthesis and as a synthetic reagent within laboratory and industrial settings.

Chemical Synthesis
Calcium phosphide serves as a reagent in various chemical synthesis pathways, contributing phosphorus to organic and inorganic compounds. Its reactivity requires careful handling during these processes.
Synthetic Reagent
Utilised as a specialised synthetic reagent, this compound facilitates specific chemical transformations. Its properties make it suitable for research and development applications where a source of phosphorus is needed.
Inorganic Salts Production
Calcium phosphide can be a precursor or intermediate in the synthesis of other inorganic phosphorus compounds. It is employed in industrial processes requiring controlled phosphorus incorporation.
| Molecular weight | 182.18 |
|---|---|
| Linear formula | Ca3P2 |
| Assay | ≥8% active phoshor (P) basis |
| Particle size | 1-7 mm |



Hazard statements
- H260In contact with water releases flammable gases
- H300Fatal if swallowed
- H400Very toxic to aquatic life
Precautionary statements
- P223Do not allow contact with water
- P231Handle under inert gas
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P370In case of fire
- P422
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1360 4.3/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,T+,N |
| Risk statements (R) | 15/29-28-50 |
| Safety statements (S) | 22-43-45-61 |
| Supplemental hazards | Contact with water liberates toxic gas. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Calcium phosphide (CAS: 1305-99-3) used for?
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Calcium phosphide (CAS: 1305-99-3) is primarily used in chemical synthesis and as a synthetic reagent. It can also be involved in the production of other inorganic salts.
What is the CAS number and formula for Calcium phosphide?
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The CAS number for Calcium phosphide is 1305-99-3, and its chemical formula is Ca₃P₂.
What grade and purity does Tech Serve Solutions supply for Calcium phosphide?
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Tech Serve Solutions supplies Calcium phosphide with an assay of ≥8% active phosphorus. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Calcium phosphide be handled safely?
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Calcium phosphide is a Danger hazard. It reacts with water to liberate toxic gas (H260), is toxic if swallowed (H300), and is very toxic to aquatic life (H400). Always use appropriate personal protective equipment including dust masks, eyeshields, faceshields, gloves, and appropriate respirator cartridges (N100, P2/P3 EN143). Handle only in a dry, well-ventilated area, away from moisture.
Is Calcium phosphide suitable for international export?
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Yes, Tech Serve Solutions can expertly pack, ship, and export Calcium phosphide globally, adhering to all necessary regulations for hazardous materials (UN 1360 4.3/PG 1).
How can I request a quote or sample for Calcium phosphide?
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To request a quote or sample for Calcium phosphide, please contact our sales team through the website or by phone, providing your specific requirements.
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