Potassium phosphate monobasic
SIAL/NIST2186I - NIST® SRM® 2186I
Synonym: Monopotassium phosphate; Potassium dihydrogen phosphate; prim.-Potassium phosphate
CAS Number: 7778-77-0
Empirical Formula (Hill Notation): H2KO4P
Molecular Weight: 136.09
MDL Number: MFCD00011401
Linear Formula: KH2PO4
Product Type: Chemical
agency | NIST standard reference material |
application(s) | pharmaceutical (small molecule) |
density | 2.338 g/mL at 25 °C (lit.) |
format | neat |
grade | certified reference material |
InChI | 1S/K.H3O4P/c;1-5(2,3)4/h; |
InChI key | GNSKLFRGEWLPPA-UHFFFAOYSA |
manufacturer/tradename | NIST® |
mp | 252.6 °C (lit.) |
packaging | pkg of 30 g |
pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
Quality Level | 100 ![]() |
SMILES string | [K+].OP(O)([O-])=O |
General description: | SRM 2186I_cert ![]() ![]() ![]() ![]() |
Legal Information: | NIST is a registered trademark of National Institute of Standards and Technology |
Legal Information: | SRM is a registered trademark of National Institute of Standards and Technology |
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.) |
UNSPSC | 12352200 |