2,6-Dihydroxybenzoic acid
2,6-Dihydroxybenzoic acid is a versatile organic compound widely used in pharmaceutical, cosmetic, and chemical industries. With its unique molecular structure, this compound offers excellent stability and reactivity for various applications. Below, we provide detailed technical specifications and frequently asked questions about 2,6-Dihydroxybenzoic acid.
Product Specifications
- Chemical Name: 2,6-Dihydroxybenzoic acid
- CAS Number: 303-07-1
- Molecular Formula: C7H6O4
- Molecular Weight: 154.12 g/mol
- Appearance: White to off-white crystalline powder
- Purity: ≥98% (HPLC)
- Melting Point: 168-172°C
- Solubility: Soluble in ethanol, methanol; slightly soluble in water
| Parameter | Specification |
|---|---|
| Loss on Drying | ≤0.5% |
| Residue on Ignition | ≤0.1% |
| Heavy Metals | ≤10 ppm |
| Related Substances | ≤1.0% |
| Storage Conditions | 2-8°C in airtight container |
Applications
2,6-Dihydroxybenzoic acid serves as a crucial intermediate in:
- Pharmaceutical synthesis (antibiotics, anti-inflammatory drugs)
- Cosmetic formulations (skin-lightening agents, antioxidants)
- Chemical research (chromatography matrix, MALDI-TOF MS analysis)
- Dye manufacturing
FAQs
Q: What is the shelf life of 2,6-Dihydroxybenzoic acid?
A: When stored properly in its original packaging at recommended temperatures (2-8°C), 2,6-Dihydroxybenzoic acid maintains stability for 36 months from the manufacturing date. Always check the certificate of analysis for batch-specific information.
Q: Can 2,6-Dihydroxybenzoic acid be used in food applications?
A: While 2,6-Dihydroxybenzoic acid has potential applications in food preservation due to its antioxidant properties, it is not currently approved as a direct food additive in most jurisdictions. Always consult local regulations before considering any food-related applications.
Q: What safety precautions should be taken when handling 2,6-Dihydroxybenzoic acid?
A: Standard laboratory safety measures apply: wear protective gloves, eye protection, and clothing. 2,6-Dihydroxybenzoic acid may cause skin and eye irritation. Avoid inhalation of dust and ensure adequate ventilation. In case of contact, wash immediately with plenty of water and seek medical advice if irritation persists.
Quality Assurance
Our 2,6-Dihydroxybenzoic acid undergoes rigorous quality control including:
- HPLC purity testing
- Residual solvent analysis
- Heavy metal screening
- Microbiological testing
- Stability studies
Each batch is accompanied by a comprehensive Certificate of Analysis documenting all quality parameters. For specialized applications, we can provide custom purity grades or particle size distributions of 2,6-Dihydroxybenzoic acid.
Packaging Options
| Package Size | Container Type |
|---|---|
| 1g | Glass vial |
| 5g | Glass bottle |
| 25g | Amber glass bottle |
| 100g | HDPE bottle |
| 1kg | Fiber drum with double LDPE bags |