Silicic acid CAS 7699-41-4
| CAS No. | 7699-41-4 |
| Molecular Formula | H2O3Si |
| Molecular Weight | 78.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula H2O3Si, Silicic acid contains an inorganic composition; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 78.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
Silicic acid (CAS 7699-41-4) is a high-purity analytical reference standard with the molecular formula H2O3Si and a molecular weight of 78.10 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 | H2O3Si |
| Molecular Weight | 78.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
Related Silicic Standards
- Silicic acid, AR (CAS 1343-98-2)
- Silicic acid, dilithium salt (CAS 10102-24-6)
- Silicic acid (CAS 10279-57-9)
- 11130-20-4 silicic acid; tetrakis(tungsten oxide) (CAS 11130-20-4)
- Silicic acid, aluminum sodium salt (CAS 1344-00-9)
- Silicic acid (H4SiO4), tetraethyl ester, polymer with trichlorostibine (CAS 135929-41-8)
- Silicic acid, lithium magnesium sodium salt (CAS 53320-86-8)
- Silicic acid tetraethyl ester hydrolyzed - (CAS 68412-37-3)
Recommended Standards
- (±)-1,2-Propanediol-(OD)2 (CAS 58161-11-8)
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- 1,3-Propane-2,2-d2-diol (CAS 38645-14-6)
- CAS 286013-05-6 (CAS 286013-05-6)
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Why CATO?
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