2,4-Dihydroxybenzoic acid CAS No.:89-86-1
Dyeing and Pigments 2025-03-02
Chemical Name: 2,4-Dihydroxybenzoic Acid
Synonyms: β-Resorcylic Acid
CAS No.: 89-86-1
Molecular Formula: C₇H₆O₄
Molecular Weight: 154.12 g/mol
Assay: ≥99.0%
Appearance: White to off-white crystalline powder
Specifications
| Parameter | Specification |
|---|---|
| Purity (HPLC) | ≥99.10% |
| Melting Point | 214.0–215.0°C |
| Water Content | ≤0.30% |
| Residue on Ignition | ≤0.26% |
Applications
- Pharmaceutical Intermediates:
- Synthesis of antibiotics and anti-inflammatory drugs
- Dye Manufacturing:
- Key precursor for azo dyes and UV absorbers
- Laboratory Reagent:
- Chelating agent in analytical chemistry
Packaging & Shipping
- Standard:
- 1 kg/bag (aluminum foil bag with desiccant)
- 25 kg/bag (woven bag with inner PE liner)
- Custom packaging available
Storage & Handling
- Conditions:
- Store in a dry, ventilated area at room temperature
- Relative humidity: <60%
- Protection:
- Light-sensitive – use amber containers for long-term storage
- Incompatibilities: Strong oxidizers, bases
Safety & Compliance
- GHS Hazard Statements:
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- Recommended PPE: Nitrile gloves, goggles, lab coat
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