HPLC Buffer Salts
POTASSIUM PHOSPHATE DIBASIC ANHYDROUS For HPLC
"Store at 15–25°C" Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate
- Article code
- 05428
- CAS
- 7758-11-4
- Grade
- For HPLC
- Purity
- 99%
- Category
- HPLC Buffer Salts
Specification and availability are confirmed by Chemical Suppliers when you inquire. Product details are attached to your request automatically.
Properties
- Article No.
- 05428
- Grade
- For HPLC
- Purity
- 99%
- CAS No.
- 7758-11-4
- Molecular Formula
- K2HPO4
- Molecular Weight
- 174.2
- H.S. Code
- 2835.2400
- Shelf Life
- 60 Months
Product information
| Article No. | 05428 | Grade | For HPLC |
| Purity | 99% | CAS No. | 7758-11-4 |
| Molecular Formula | K2HPO4 | Molecular Weight | 174.2 |
| H.S. Code | 2835.2400 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
| Odour | Odorless | pH value | 8.8 |
| Melting point/ Freezing point [°C] | >465°C | Decomposition point [°C] | >465°C |
| Density [g/cm3] | 2.338 | Solubility in water [% weight] | 1600 g/l (20°C) |
Specifications
| Appearance | White hygroscopic crystalline powder | Assay | Min 99% |
| Solubility (0.1 g/mL in water; 25°C) | Complete, colourless | pH (10% solution in water) | 8.5 - 9.6 |
| Loss on drying (at 105°C) | Max 1.0% | UV absorbance (10% in water) | - |
| at 230 nm | Max 0.15 | at 240 nm | Max 0.12 |
| at 250 nm | Max 0.11 | at 310 nm | Max 0.05 |
| at 500 nm | Max 0.02 |
Packaging options
- 500 g (00500)
Details
POTASSIUM PHOSPHATE DIBASIC ANHYDROUS For HPLC "Store at 15–25°C" Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate MSDS DE EN FR KO PT ES TH TR COAs Packings 500 g (00500) Print friendly version Article No. 05428 Grade For HPLC Purity 99% CAS No. 7758-11-4 Molecular Formula K 2 HPO 4 Molecular Weight 174.2 H.S. Code 2835.2400 Shelf Life 60 Months Physical Properties Physical state at 20 °C Solid Colour White crystalline Odour Odorless pH value 8.8 Melting point/ Freezing point [°C] >465°C Decomposition point [°C] >465°C Density [g/cm3] 2.338 Solubility in water [% weight] 1600 g/l (20°C) Specifications Appearance White hygroscopic crystalline powder Assay Min 99% Solubility (0.1 g/mL in water; 25°C) Complete, colourless pH (10% solution in water) 8.5 - 9.6 Loss on drying (at 105°C) Max 1.0% UV absorbance (10% in water) - at 230 nm Max 0.15 at 240 nm Max 0.12 at 250 nm Max 0.11 at 310 nm Max 0.05 at 500 nm Max 0.02 Safety Information and Hazard Symbols Safety Statement: 22-24/25 Revision Date: 13-Feb-2026 Home Lab Chemicals HPLC Buffer Salts POTASSIUM PHOSPHATE DIBASIC ANHYDROUS