Identity
Classification
- Categories
- Biological Buffers primary
- Applications
- Biochemistry
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | White powder | — |
| pH value | 3.5 - 5.5 | — |
| Melting point/ Freezing point [°C] | 190 °C | °C |
| Solubility in water [% weight] | 163.17 g/L | g/L |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit | Method |
|---|---|---|---|
| Appearance | A white powder | — | — |
| Biological buffer, pKa (25 °C) | 8.3 | — | — |
| Assay | Min 99 % | % | — |
| Infrared spectrum | Conforms | — | — |
| Solubility | Clear and colorless solution | — | — |
| pH range | 4.0 - 5.5 | — | — |
| UV absorbance (;10%; 1 cm; water) | Max 0.1 | — | — |
| Sulphate (SO4) | Max 0.005 % | % | — |
| Heavy metal | Max 0.0005 % | % | — |
| Water | Max 0.2 % | % | KF |
Packaging
| Pack size | SKU |
|---|---|
| 25 g | RA000770-PK-25G |
| 100 g | RA000770-PK-100G |