Identity
Classification
- Categories
- Organic Chemicals primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | White crystalline | — |
| Odour | Odorless | — |
| pH value | 6.9 | — |
| Melting point/ Freezing point [°C] | 234 - 236 °C | °C |
| Boiling point [°C] | 178 °C | °C |
| Density [g/cm3] | 1.23 g/cm3 | g/cm3 |
| Partition coefficient Log Pow octanol / water at 20°C | 0.07 | — |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Appearance | Silky white crystals, white glistering needles or a white crystalline powder | — |
| Identification 'F' | It give the reaction of xanthines | — |
| Appearance of solution | Solution S should be clear and colorless | — |
| Insoluble matter in water | Max 0.005 % | % |
| Unspecified impurities | Max 0.1 % | % |
| Total impurities | Max 0.1 % | % |
| Sulphates | Max 0.05 % | % |
| Sulphated ash | Max 0.1 % | % |
| Copper (Cu) | Max 0.0002 % | % |
| Iron (Fe) | Max 0.0002 % | % |
| Lead (Pb) | Max 0.0002 % | % |
| Zinc (Zn) | Max 0.0002 % | % |
| Identification 'A' & 'B' | The spectrum of the sample should be concordant with spectrum of caffeine CRS or with the reference spectrum of caffeine | — |
| Identification 'C' | The precipitate should dissolve | — |
| Identification 'D' | An intense blue color should develops | — |
Available grades
2 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.
Packaging
| Pack size | SKU |
|---|---|
| 100 g | RA000919-PK-100G |
| 250 g | RA000919-PK-250G |