Sodium 2,4,6-trichlorophenolate
Agrochemicals 2025-03-02
Sodium 2,4,6-Trichlorophenolate (CAS No. 3784-03-0)
1. Basic Information
- IUPAC Name: Sodium 2,4,6-trichlorophenolate
- Synonyms:
- TCP-Na
- 2,4,6-Trichlorophenol sodium salt
- CAS Number: 3784-03-0
- Molecular Formula: C₆H₂Cl₃NaO
- Molecular Weight: 221.43 g/mol
- Appearance: White to tan crystalline powder
- Odor: Phenolic odor
2. Physical and Chemical Properties
| Property | Value |
|---|---|
| Melting Point | >300°C (dec.) |
| Solubility (25°C) | – Water: Highly soluble (500 g/L) |
| – Organic solvents: Insoluble in ether, hexane | |
| pH (1% solution) | 8.0–10.0 (alkaline) |
| Stability | Hygroscopic; decomposes under UV light |
3. Hazards (GHS Classification)
- Acute Toxicity:
- Harmful if swallowed (H302)
- Causes skin irritation (H315)
- Causes serious eye damage (H318)
- Environmental:
- Very toxic to aquatic life (H400)
- Persistent and bioaccumulative (H413)
- NFPA Rating: Health 3, Flammability 1, Reactivity 0
4. Storage and Handling
- Storage:
- Keep in airtight containers protected from light
- Store in a cool, dry, well-ventilated area
- Handling:
- Use nitrile gloves, safety goggles, and a fume hood
- Avoid dust generation
5. Applications
- Preservative:
- Wood preservative (historically used, now restricted)
- Biocide:
- Antimicrobial agent in industrial systems (limited use)
- Chemical Intermediate:
- Synthesis of higher chlorinated phenols
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