Disodium hydrogen phosphate
SIAL/NIST2186II - NIST SRM 2186II
Synonym: Sodium phosphate dibasic; sec-Sodium phosphate; Disodium hydrogen phosphate; Disodium phosphate; Sodium hydrogenphosphate
CAS Number: 7558-79-4
Empirical Formula (Hill Notation): HNa2O4P
Molecular Weight: 141.96
MDL Number: MFCD00003496
Linear Formula: Na2HPO4
Product Type: Chemical
application(s) | pharmaceutical (small molecule) |
form | powder |
grade | certified reference material |
InChI | 1S/2Na.H3O4P/c;;1-5(2,3)4 |
InChI key | BNIILDVGGAEEIG-UHFFFAOYSA |
manufacturer/tradename | NIST® |
packaging | pkg of 30 g |
pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
Quality Level | 100 ![]() |
SMILES string | [Na+].[Na+].[H]OP([O-])([ |
General description: | SRM 2186II_cert ![]() ![]() ![]() ![]() |
Legal Information: | NIST 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 |
UNSPSC | 12352200 |