Sodium borate pentahydrate CAS 11130-12-4
| CAS No. | 11130-12-4 |
| Molecular Formula | B4O7 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 196.24 g/mol gives Sodium borate pentahydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Sodium borate pentahydrate (CAS 11130-12-4), molecular formula B4O7NaH2O and molecular weight 196.24 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an inorganic composition, Sodium borate pentahydrate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 196.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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.
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 | B4O7 2*Na 5*H2O |
| Molecular Weight | 196.24 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.) | 1960 |
Related Sodium Standards
- Zinc borate (Zn3(BO3)2) (CAS 10192-46-8)
- Ammonium borate tetrahydrate (CAS 12228-87-4)
- Borate(5-), difluoro[D-myo-inositol 1-[mono[(2R)-2-[[6-[[5-(3,5-dimethyl-1H-pyrrol-2-yl-κN)-5-(3,5-dimethyl-2H-pyrrol-2-ylidene-κN)-1-oxopentyl]amino]-1-oxohexyl]oxy]-3-[[(9Z)-1-oxo-9-octadecen-1-yl]oxy]propyl] phosphate] 4,5-diphosphato(6-)]-, ammonium h (CAS 1246355-57-6)
- Borate(2-), difluoro[(2R)-2-hydroxy-3-(phosphonooxy)propyl 12-[[5-(3,5-dimethyl-1H-pyrrol-2-yl-κN)-5-(3,5-dimethyl-2H-pyrrol-2-ylidene-κN)-1-oxopentyl]amino]dodecanoato(3-)]-, ammonium hydrogen (1:1:1), (T-4)- (CAS 1246355-62-3)
- Borate(1-), [(1R)-1-[[[(2-aminoethoxy)hydroxyphosphinyl]oxy]methyl]-2-[(1-oxohexadecyl)oxy]ethyl λ-(3,5-dimethyl-2H-pyrrol-2-ylidene-κN)-3,5-dimethyl-1H-pyrrole-2-dodecanoato(2-)-κN1]difluoro-, hydrogen (1:1), (T-4)- (CAS 1246355-64-5)
- Borate(2-), [(1R)-1-[[[[(2S)-2-amino-2-carboxyethoxy]hydroxyphosphinyl]oxy]methyl]-2-[(1-oxohexadecyl)oxy]ethyl λ-(3,5-dimethyl-2H-pyrrol-2-ylidene-κN)-3,5-dimethyl-1H-pyrrole-2-dodecanoato(3-)-κN1]difluoro-, ammonium hydrogen (1:1:1), (T-4)- (CAS 1246355-65-6)
- Zinc borate (CAS 12767-90-7)
- Zinc borate (CAS 1332-07-6)
Recommended Standards
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- 3-(2-Fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine-8-carboxylic acid (CAS 1206970-37-7)
- 5-Hydroxyquinoline-7-carboxylic acid (CAS 1261748-78-0)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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