Potassium phosphate monobasic
SIAL/92214 - TraceCERT®, certified reference material, 31P-qNMR Standard
Synonym: 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
application(s) | cleaning products cosmetics flavors and fragrances food and beverages personal care |
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 |
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. |
Legal Information: | TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC |
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 | 12352200 |