Triphenylphosphine CAS No. 603-35-0
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Category：Agrochemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Triphenylphosphine (TPP)
CAS No.: 603-35-0 | EC No.: 210-036-0
1. Chemical Identification
| Property | Specification |
|---|---|
| IUPAC Name | Triphenylphosphane |
| Molecular Formula | C₁₈H₁₅P |
| Molecular Weight | 262.29 g/mol |
| Appearance | White crystalline powder/flakes |
| Density | 1.132 g/cm³ |
| Melting Point | 79-81°C |
| Refractive Index | 1.6358 |
| Flash Point | 180°C |
Synonyms:
TPP, Phosphorous triphenyl
2. Key Applications
Chemical Synthesis
- Catalysis:
✓ Homogeneous catalyst ligand
✓ Mitsunobu reactions
✓ Wittig reactions - Pharmaceuticals:
✓ Chloramphenicol synthesis
✓ Antibiotic production
Industrial Applications
- Polymer Industry:
✓ Polymerization initiator
✓ Photothermal stabilizer - Petrochemicals:
✓ Lubricant antioxidant
✓ Oil refining catalyst
Specialty Uses
- Leather chemical production
- Dye and pigment manufacturing
3. Product Advantages
✔ Versatile Catalyst – Multiple reaction applications
✔ High Stability – Long shelf life under proper storage
✔ Broad Compatibility – Works in various chemical systems
4. Physical & Chemical Properties
- Solubility:
- Soluble in organic solvents (benzene, ether)
- Insoluble in water
- Stability:
- Stable in air (slight oxidation over time)
- Non-hygroscopic
5. Handling & Storage
| Parameter | Requirement |
|---|---|
| Storage Temp | <30°C (dry environment) |
| Packaging | 25kg fiber drums with liner |
| Shelf Life | 36 months |
| Special Notes | Avoid strong oxidizers |
6. Safety Information
Warning!
- H302: Harmful if swallowed
- H315: Causes skin irritation
- H319: Causes serious eye irritation
Protective Measures:
- P280: Wear protective gloves/eye protection
- P305+P351+P338: Eye contact rinse procedure
- P302+P352: Skin contact wash with soap
7. Quality Specifications
- Purity: ≥99% (GC)
- Melting Range: 79-81°C
- Loss on Drying: ≤0.5%
Disclaimer:
The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.
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