Hexamethyl-d18-disilazane CAS 136068-19-4
| CAS No. | 136068-19-4 |
| Molecular Formula | - |
| Molecular Weight | 179.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Hexamethyl-d18-disilazane (CAS 136068-19-4) is a high-purity analytical reference standard with the molecular formula C6HD18NSi2 and a molecular weight of 179.50 g/mol.
Based on its molecular formula C6HD18NSi2, Hexamethyl-d18-disilazane contains deuterium isotope labeling, a nitrile group, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 179.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), Hexamethyl-d18-disilazane 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 | C6HD18NSi2 |
| Molecular Weight | 179.50 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Related Hexamethyl Standards
- Hexamethyl-d18-disiloxane (CAS 19108-55-5)
- 1,3,4,4,6,6-Hexamethyl-2,4,5,6-tetrahydrocyclopenta[c]pyrrole (CAS 63307-20-0)
- Hexamethyl-d18-disilane (CAS 61123-71-5)
- 2,3,4,5,6,7-Hexamethyl-1H-indene (CAS 21866-46-6)
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- 1,1,3,3,5,5, Hexamethyl diethoxy trisiloxane (CAS 75144-60-4)
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Recommended Standards
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- 1-(2-Amino-5-chlorophenyl)propan-1-one (CAS 1685-20-7)
- 6-(2,3,4-Trifluorophenyl)pyridin-2-amine (CAS 1339700-84-3)
- 4-(1H-Benzimidazol-2-yl)-1-(4-methylphenyl)pyrrolidin-2-one (CAS 843624-76-0)
- 4-(Trifluoromethyl)benzoic anhydride (CAS 25753-16-6)
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