Phenylthiophosphonic Dichloride
Pharmaceutical Materials 2025-03-03
CAS Number: 3497-00-5
Molecular Formula: C6H5Cl2PS
Molecular Weight: Approximately 211.05 g/mol
Appearance: Colorless to pale yellow liquid
Melting Point: Below -20°C
Boiling Point: 270°C
Density: 1.4 g/cm³
Usage: Used as an intermediate in the production of pharmaceuticals, agrochemicals, flame retardants, and plasticizers.
| Property | Details |
|---|---|
| Chemical Name | Phenylthiophosphonic Dichloride |
| Synonyms | Phenylphosphonothioic Dichloride, Dichlorophenylphosphine Sulfide |
| CAS Number | 3497-00-5 |
| EINECS Number | 222-494-9 |
| Molecular Formula | C₆H₅Cl₂PS |
| Molecular Weight | 211.05 g/mol |
| Physical State | Transparent to yellow liquid |
| Density | 1.433 g/cm³ |
| Boiling Point | 270°C |
| Flash Point | 93°C |
| Melting Point | < -20°C |
| Solubility | Insoluble in water; soluble in organic solvents like ethanol and acetone |
| Applications | – Organic synthesis intermediate for pharmaceuticals, agrochemicals, flame retardants, and plasticizers. – Used in molecular structure modular assembly. |
| Safety Precautions | – Corrosive; causes severe skin and eye irritation. – Handle in well-ventilated areas with protective gear. – Avoid contact with oxidizers, moisture, and heat. |
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