Potassium phosphate monobasic
SIAL/92214 - TraceCERT®, certified reference material, 31P-qNMR Standard, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Synonym: 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
| application(s) | cleaning products cosmetics flavors and fragrances food and beverages personal care pharmaceutical |
| density | 2.338 g/mL at 25 °C (lit.) |
| format | neat |
| grade | TraceCERT® |
| certified reference material | |
| InChI | 1S/K.H3O4P/c;1-5(2,3)4/h; |
| InChI key | GNSKLFRGEWLPPA-UHFFFAOYSA |
| manufacturer/tradename | Manufactured by: Sigma-Aldrich Production GmbH, Switzerland |
| mp | 252.6 °C (lit.) |
| pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| Quality Level | 100 ![]() |
300 ![]() |
|
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | [K+].OP(O)([O-])=O |
| technique(s) | qNMR: suitable |
| General description: | This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ. Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate. Download your certificate at: http://www.sigma-aldrich. Check out our entire range of quantitative NMR standards (qNMR standards) ![]() |
| General description: | This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST. Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.Search & download your certificate here. ![]() |
| Legal Information: | TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Other Notes: | Check out ChemisTwin, our brand new online portal for identity confirmation of NMR spectra. A feature for quantitative NMR is in development. Learn more or reach out to us for a free trial. ![]() |
| RIDADR | NONH for all modes of transport |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 252.6 °C (lit.) |
| Density | 2.338 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |

