1,4-Dimethyl-1,1,2,2,3,3,4,4-octaphenyltetrasilane CAS 1590-85-8
| CAS No. | 1590-85-8 |
| Molecular Formula | C50H46Si4 |
| Molecular Weight | 759.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1,4-Dimethyl-1,1,2,2,3,3,4,4-octaphenyltetrasilane (C50H46Si4) contains a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 28.0, corresponding to approximately 28 ring(s) or double-bond equivalent(s). With a molecular weight of 759.24 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1,4-Dimethyl-1,1,2,2,3,3,4,4-octaphenyltetrasilane (CAS 1590-85-8) is a high-purity analytical reference standard with the molecular formula C50H46Si4 and a molecular weight of 759.24 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C50H46Si4 |
| Molecular Weight | 759.24 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 28.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
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