| CAS No. | 7719-12-2 |
| Molecular Formula | Cl3P |
| Molecular Weight | 137.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Structurally, Phosphorus Trichloride (Cl3P) contains organophosphorus functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 137.33 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies Phosphorus Trichloride (CAS 7719-12-2), a certified reference material (molecular formula Cl3P, MW 137.33 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Phosphorus Trichloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | Cl3P |
| Molecular Weight | 137.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |