Monobasic Potassium Phosphate
SIAL/PHR1330 - Pharmaceutical Secondary Standard; Certified Reference Material
Synonym: Potassium phosphate monobasic; Monopotassium phosphate; Potassium dihydrogen phosphate; prim.-Potassium phosphate
CAS Number: 7778-77-0
Empirical Formula (Hill Notation): H2KO4P
Molecular Weight: 136.09
EC Number: 231-913-4
MDL Number: MFCD00011401
Linear Formula: KH2PO4
Product Type: Chemical
| agency | traceable to USP 1551139 |
| API family | monobasic potassium phosphate |
| application(s) | pharmaceutical (small molecule) |
| CofA | current certificate can be downloaded |
| density | 2.338 g/mL at 25 °C (lit.) |
| format | neat |
| grade | certified reference material |
| pharmaceutical secondary standard | |
| InChI | 1S/K.H3O4P/c;1-5(2,3)4/h; |
| InChI key | GNSKLFRGEWLPPA-UHFFFAOYSA |
| mp | 252.6 °C (lit.) |
| pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| Quality Level | 300  |
| SMILES string | [K+].OP(O)([O-])=O |
| storage temp. | 2-30°C |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable |
| Analysis Note: | These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available. |
| Application: | These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements. |
| Footnote: | To see an example of a Certificate of Analysis for this material enter LRAB7784 in the slot below. This is an example certificate only and may not be the lot that you receive. |
| General description: | Monobasic Potassium Phosphate is a water-soluble inorganic salt. It is used as a starting material in the synthesis of potassium metaphosphate. |
| General description: | Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. |
| Other Notes: | This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 252.6 °C (lit.) |
| Density | 2.338 g/mL at 25 °C (lit.) |
| Storage Temp. | 2-30°C |
| UNSPSC | 41116107 |