Sodium 4‑Aminosalicylate Dihydrate (PAS‑Na) CAS 6011-12-7
Release time: 2025-07-23
Physicochemical properties
| Property | Value |
|---|---|
| Chemical Name | Sodium 4-aminosalicylate dihydrate |
| Molecular Formula | C7H10NNaO5 |
| Molecular Weight | 211.14 g/mol |
| CAS Number | 6011-12-7 |
| EINECS Number | 205-091-2 |
| Appearance | White or off-white crystalline powder |
| Solubility | Soluble in water, slightly soluble in ethanol, insoluble in ether |
| Boiling Point | 380.8 °C at 760 mmHg |
| Flash Point | 184.1 °C |
| Vapor Pressure | 1.78 × 10-6 mmHg at 25 °C |
| Stability | Stable under normal conditions; may decompose upon heating or prolonged exposure to light |
| Storage Condition | Store in a cool, dry place, away from light and moisture |
Application Areas
Pharmaceutical research and development: As an anti tuberculosis drug, it inhibits the growth of Mycobacterium tuberculosis by competitively suppressing folate synthesis.
Anti inflammatory research: research on immune regulatory mechanisms for inflammatory bowel disease, rheumatoid arthritis, and cancer
Storage conditions
Packaging and Sealing: The standard packaging is a 25KG cardboard drum (with double layered polyethylene bags inside), which needs to be sealed to prevent moisture.
Environmental requirements: Store in a cool and dry place, avoid heat or sun exposure.
Laboratory storage: The powder needs to be dried and stored at -20 ℃ to avoid repeated freezing and thawing
Safety precautions
Operation protection:
Wear lab clothes, gloves, and goggles, and do not inhale or come into contact with the skin.
Operate inside the fume hood to avoid dust dispersion.
Toxicity risk:
May cause skin or respiratory irritation, ingestion requires medical attention.
Waste disposal: Dispose of hazardous chemicals in accordance with regulations to avoid environmental pollution.

