ALIZARINE RED S AR (SODIUM ALIZARINE SULPHONATE)
C.I.No. 58005 Acid base indicator use in analysis of metals Sodium Alizarine Sulphonate
| Product Code | B-00101 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | CAS No | 130-22-3 | |
| Purity | 98 % | Molecular Weight | 342.30 |
| H.S.Code | 2914.79900 | Shelf Life | 60 Months |
| Molecular Formula | C14H7NaO7S |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Red Powder |
|---|---|---|---|
| Odour | Odorless | Melting Point/ Freezing Point [°C] | 289 °C |
| Boiling point [°C] | 287 - 289°C | Initial boiling point [°C] | 287°C |
| final Boiling point [°C] | 287 - 289°C | Solubility in water [% weight] | Sparingly soluble in water |
Packaging
Specification
| Appearance | Red powder |
| Dye content | Min 70.0% |
| Transition range | |
| pH 4.3-6.3 | Yellow-Pink |
| pH 9.4-12.0 | Brown orange-Violet |
| Solubility (0.1% in water) | Clear solution |
| Absorption maxima in 0.1 N NaOH | 553-559 nm |
| Absorption maxima in 0.1 N NaOH | 592-599 nm |
| Absorptivity (A1%/1cm at 556 nm ) | Min 350.0 |
| Absorptivity (A1%/1cm at 595 nm ) | Min 325.0 |
| Loss on drying (at 110°C) | Max 5.0% |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338