Identity
Classification
- Categories
- HPLC Buffer Salts Inorganic Salts primary
- Applications
- HPLC
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | White crystalline | — |
| Odour | odourless | — |
| pH value | 3.8 - 4.4 | — |
| Melting point/ Freezing point [°C] | 190 °C | °C |
| Density [g/cm3] | 1.8 g/cm3 | g/cm3 |
| Solubility in water [% weight] | Soluble in water | — |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit | Method |
|---|---|---|---|
| Appearance | White crystalline powder | — | — |
| at 230 nm | Max 0.03 | — | — |
| at 240 nm | Max 0.02 | — | — |
| at 500 nm | Max 0.02 | — | — |
| Assay | Min 99 % | % | acidimetric |
| Filter test | Correspons to standard | — | — |
| RP gradient test | Correspons to standard | — | — |
| Solubility (0.1 g/mL in water; 20°C) | Complete, Colorless | — | — |
| pH (20 °C) | 4 - 5 | — | — |
| at 210 nm | Max 0.05 | — | — |
| at 220 nm | Max 0.04 | — | — |
Available grades
3 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.
Packaging
| Pack size | SKU |
|---|---|
| 500 g | RA000562-PK-500G |