 |
| White scales or powder. Easy to dissolve in water (1:0.8, 25 ℃) and glycerol (1:5), soluble in 95% ethanol (1:11), almost insoluble in ether, chloroform, and benzene. The aqueous solution is slightly acidic (pH 5-6). Turns pink in the long dew light. Odorless or slightly special odor, sweet and uncomfortable. | |||||||||
54-21-7
Boss Chemical
54-21-7
| Property | Specification |
|---|---|
| Melting Point | > 300 °C (lit.) |
| Boiling Point | 237 °C |
| Bulk Density | 320 kg/m³ |
| Density | 0.32 g/cm³ (20 °C) |
| Vapor Pressure | < 1 hPa (25 °C) |
| Refractive Index | 1.435 |
| Flash Point | 98.3 °C |
| Storage Conditions | Store at +15 °C to +25 °C |
| Solubility | 1000 g/L |
| Form | Crystals or crystalline powder |
| Color | White |
| Odor | White lustrous crystals, scales or amorphous powder; odorless or faint odor, salty taste |
| pH Value | 6.5 (100 g/L, H₂O, 20 °C) |
| Water Solubility | 1000 g/L (20 °C) |
| Sensitivity | Light Sensitive |
| Merck | 14, 8332 |
| Item | Spec | Data | Item conclusion |
|---|---|---|---|
| Characters | White crystalline powder, shiny flakes | White crystalline powder, shiny flakes | Qualified |
| Identification | |||
| A | According with IR reference spectrum | Meets the requirement | Qualified |
| B | Gives positive reaction | Gives positive reaction | Qualified |
| C | Impart an intense yellow color | Yellow color | Qualified |
| Test | |||
| Appearance | Not more color than R.S. BY₆ | Solution is clear | Qualified |
| Acidity | Add 0.01M NaOH ≤ 2.0ml | 1.4ml | Qualified |
| Chloride | The limit test for chlorides (200ppm) | Meet the requirement | Qualified |
| Heavy metal | Limit test B for heavy metals (20ppm) | Not more intense than R.S. | Qualified |
| Sulfate | The limit test for sulfate (600ppm) | Not more intense than R.S. | Qualified |
| Loss on drying | Not more than 0.5 percent | 0.3% | Qualified |
| Assay | Contains C₇H₅NaO₃ 99.0%-101.0% | 99.71% | Qualified |
| Conclusion | The sample is in compliance with the BP-2024. Result: Meets the requirement | — | — |
