Dyeing and Pigments

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

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Specifications

Parameter	Specification
Purity (HPLC)	≥99.10%
Melting Point	214.0–215.0°C
Water Content	≤0.30%
Residue on Ignition	≤0.26%

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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

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Packaging & Shipping

• Standard:
  • 1 kg/bag (aluminum foil bag with desiccant)
  • 25 kg/bag (woven bag with inner PE liner)
• Custom packaging available

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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

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Safety & Compliance

• GHS Hazard Statements:
  • H315: Causes skin irritation
  • H319: Causes serious eye irritation
• Recommended PPE: Nitrile gloves, goggles, lab coat

Disclaimer:

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