Phosphine CAS 7803-51-2
| CAS No. | 7803-51-2 |
| Molecular Formula | H3P |
| Molecular Weight | 34.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Phosphine (H3P) contains organophosphorus functionality. 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 34.00 g/mol, it falls into the low-molecular-weight range.
Phosphine (CAS 7803-51-2), molecular formula H3P and molecular weight 34.00 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Phosphine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | H3P |
| Molecular Weight | 34.00 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1959 |
Related Phosphine Standards
- Phosphine, Bis(2,4,6-trimethylphenyl)- (CAS 1732-66-7)
- 34303-18-9 Phosphine oxide, (4-chlorophenyl)diphenyl- DTXSID60457738 (CAS 34303-18-9)
- 855-38-9 Phosphine, tris(4-methoxyphenyl)- Tris(4-methoxyphenyl)phosphine AI3-62578 EINECS 212-723-0 NSC 136458 Phosphine, tris(p-methoxyphenyl)- Trianisylphosphine Tri-p-anisylphosphine Tris(p-anisyl)phosphine tris(p-Methoxyphenyl)phosphine (CAS 855-38-9)
- Phosphine, 1,2-ethanediylbis[[2-(1-methylethyl)phenyl]phenyl-, (1S,1′S)- (CAS 794526-19-5)
- Phosphine, 1,5-pentanediylbis[bis(3,5-dimethylphenyl)- (CAS 220185-38-6)
- Phosphine, 1,1′-[(1R)-2,2′,3,3′-tetrahydro-3,3,3′,3′,5,5′-hexamethyl-1,1′-spirobi[1H-indene]-7,7′-diyl]bis[1,1-diphenyl- (CAS 2213471-14-6)
- Phosphine, 1,1′-[(1S)-2,2′,3,3′-tetrahydro-3,3,3′,3′,5,5′-hexamethyl-1,1′-spirobi[1H-indene]-7,7′-diyl]bis[1,1-diphenyl- (CAS 2213471-24-8)
- Phosphine oxide, [(4R)-2,2,2′,2′-tetrafluoro[4,4′-bi-1,3-benzodioxole]-5,5′-diyl]bis[diphenyl- (CAS 503538-72-5)
Recommended Standards
- 67321-81-7 541C150APR Oxygen O-17 UNII-541C150APR Oxygen, mol. (17O2) (CAS 67321-81-7)
- Hydrogen Peroxide (CAS 7722-84-1)
- Phosphorus (CAS 7723-14-0)
- 5770-05-8 Methanol-18O Methyl alcohol-18O (CAS 5770-05-8)
- 6-Iodo-7-methylimidazo[1,2-a]pyridine-2-carboxylic acid (CAS 1440526-41-9)
- (2S,3R,4S,5R,6R)-6-(Acetoxymethyl)-4-(((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2,3,5-triyl triacetate (CAS 22551-65-1)
- 5-Bromo-1-cyclopropyl-1H-imidazole (CAS 1262035-61-9)
- <I>N, N</I><SC>-</SC>Dimethyl-<SUP>13</SUP>C<SUB>2</SUB>-carboxamide (CAS 117880-10-1)
- 2-(2-Mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)-N-1-naphthylacetamide (CAS 1142206-59-4)
- 1-Bromo-8-fluoro-4-phenylisoquinolin-3-amine (CAS 338761-90-3)
- 3-(2,4,6-Trimethoxyphenyl)propan-1-ol (CAS 941690-20-6)
- 2-Acetylpyrazine (CAS 22047-25-2)
- Methyl 2-(piperidin-4-yloxy)acetate (CAS 721391-32-8)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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