Potassium phosphate monobasic
SIGMA/RDD020 - anhydrous, free-flowing, Redi-Dri™, ReagentPlus®, ≥99.0% (titration)
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
The Redi-Dri™ packaging system eliminates the common issue of clumping that is noted with many hygroscopic salts and buffers and provides free-flowing, ready-to- use material at all times.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: RDD020-500G
This image depicts SKU: RDD020-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: RDD020-1KG
This image depicts SKU: RDD020-1KG
| assay | ≥99.0% (titration) |
| density | 2.338 g/mL at 25 °C (lit.) |
| form | crystalline |
| grade | anhydrous |
| 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) |
| product line | ReagentPlus® |
| Redi-Dri™ | |
| quality | free-flowing |
| Quality Level | 100  |
| SMILES string | [K+].OP(O)([O-])=O |
| solubility | water: 100 mg/mL, clear, colorless |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 2.5 kg in poly drum |
| Packaging: | 500 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (titration) |
| mp | 252.6 °C (lit.) |
| Density | 2.338 g/mL at 25 °C (lit.) |
| UNSPSC | 12161700 |