Phosphorus, red
Red Phosphorus (CAS 7723-14-0) is an allotrope of elemental phosphorus, appearing as a red-brown amorphous powder. It is less reactive and more stable than white phosphorus. This element is crucial in various chemical synthesis applications and serves as a key component in the production of matches and certain specialty chemicals. Tech Serve Solutions offers Red Phosphorus with an assay of ≥97.0%.
- Synonyms
- PElemental PhosphorusPhosphorus
Chemical Synthesis
Red phosphorus serves as a versatile reagent in organic synthesis, particularly for halogenation reactions and the preparation of organophosphorus compounds.
Pyrotechnics and Matches
Its ability to ignite easily makes red phosphorus a critical ingredient in the striking surface of safety matches and in certain pyrotechnic formulations.
Catalysis
As a catalyst or catalyst precursor, red phosphorus finds use in various industrial chemical processes, contributing to reaction efficiency and product yield.
Semiconductor Doping
In semiconductor manufacturing, phosphorus is used as a dopant to alter the electrical properties of silicon, creating n-type materials.
| Molecular weight | 30.97 |
|---|---|
| Empirical formula | P |
| Assay | ≥97.0% |
| Density | 2.34 g/mL at 25 °C(lit.) |
| Vapour pressure | 0.03 mmHg (21 °C)1 mmHg (76.6 °C) |
| Vapour density | 0.02 (vs air) |
| Autoignition temp | 500 °F |
| Melting point | 416 °C (subl.)(lit.) |
Hazard statements
- H228Flammable solid
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P273Avoid release to the environment
| Protective equipment | dust mask type N95 (US), Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1338 4.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11-16-52/53 |
| Safety statements (S) | 7-43-61 |
| Cation traces | Fe: ≤2000 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Resistivity | 10 μΩ-cm, 20°C |
|---|
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 Red Phosphorus used for?
+
Red Phosphorus is used in chemical synthesis, particularly for halogenation and in the production of matches and pyrotechnics. It also finds applications in catalysis and semiconductor doping.
What is the CAS number and formula for Red Phosphorus?
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The CAS number for Red Phosphorus is 7723-14-0. Its empirical formula is P, and its molecular weight is 30.97 g/mol.
What grade and purity does Tech Serve Solutions supply for Red Phosphorus?
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Tech Serve Solutions supplies Red Phosphorus with an assay of ≥97.0%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Red Phosphorus be handled safely?
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Red Phosphorus is flammable and can be harmful if inhaled or in contact with skin. Handle with appropriate personal protective equipment, including dust masks, eyeshields, gloves, and respirators. Ensure good ventilation and avoid ignition sources. Refer to the Safety Data Sheet for full details.
Is Red Phosphorus a controlled substance?
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Red Phosphorus is a List I chemical under the US DEA and a precursor chemical under EU regulations due to its potential use in illicit drug synthesis. Handling and trade are subject to strict controls and reporting requirements.
How is Red Phosphorus packed, shipped, and exported by TSS?
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Red Phosphorus is typically packed in UN-approved containers suitable for hazardous materials, adhering to international shipping regulations for flammable solids. TSS exports globally, ensuring compliance with all relevant transport and customs requirements.
How can I request a quote or sample of Red Phosphorus?
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To request a quote or sample of Red Phosphorus, please contact the TSS sales team through our website or by phone, providing your specific requirements and shipping details.
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