Dipotassium phosphite CAS 13492-26-7
| CAS No. | 13492-26-7 |
| Molecular Formula | HK2O3P |
| Molecular Weight | 158.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a phosphonate group, Dipotassium phosphite is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 158.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
CATO supplies Dipotassium phosphite (CAS 13492-26-7), a certified reference material (molecular formula HK2O3P, MW 158.18 g/mol) for analytical method development and quality control.
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.
CATO manufactures Dipotassium phosphite under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | HK2O3P |
| Molecular Weight | 158.18 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 Dipotassium Standards
- 4628-94-8 Dipotassium 1,3,4-thiadiazole-2,5-dithiolate 1,3,4-Thiadiazolidine-2,5-dithione, potassium salt (1:2) 1,3,4-Thiadiazolidine-2,5-dithione, dipotassium salt 2,5-Dimercapto-1,3,4-thiadiazole, dipotassium salt EINECS 225-043-4 (CAS 4628-94-8)
- Dipotassium tris(1,2-benzenediolato-O,O')silicate (CAS 101519-13-5)
- Dipotassium tris(1,2-benzenediolato-O,O′)germanate (CAS 112712-64-8)
- Dipotassium hexahydroxystannate (CAS 12027-61-1)
- Dipotassium Anthraquinone-1,8-disulfonate (CAS 14938-42-2)
- Dipotassium boranocarbonate (CAS 17363-09-6)
- Dipotassium (2-nitro-1-sulfanidylethenyl)sulfanide (CAS 25963-52-4)
- 22387-03-7 Dipotassium hydrogen (~2~H)phosphate DTXSID90628414 (CAS 22387-03-7)
Recommended Standards
- 1346601-57-7 5,6-Diamino-4-thiouracil-13C2 (CAS 1346601-57-7)
- Methyl 4-aminothiazole-2-carboxylate (CAS 1373046-14-0)
- N-(3-Methyl-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)formamide (CAS 13228-79-0)
- 3-Methyl-1,2,4-thiadiazole-5-carbohydrazide (CAS 1375066-73-1)
- 6-(4-Methoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 147269-06-5)
- Ethyl 5-(adamantan-1-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 676589-12-1)
- 2,4-Dichloro-3-methylbenzoic acid (CAS 83277-23-0)
- 2-(5-Bromo-2-cyano-3-fluorophenyl)acetic acid (CAS 1806062-01-0)
- (5-(Dimethylamino)-2-phenyloxazol-4-yl)triphenylphosphonium iodide (CAS 55650-17-4)
- 5,5-Dimethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-2-en-1-one (CAS 497959-45-2)
- tert-Butyl 6-oxopiperidine-3-carboxylate (CAS 1552946-57-2)
- 7-Chloro-N-(3-methoxyphenethyl)quinolin-4-amine (CAS 124532-43-0)
- 4-(Bromomethyl)quinoline hydrobromide (CAS 73870-28-7)
- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com