Dyeing and Pigments

Chemical Name: 2-Anilino-6-dibutylamino-3-methylfluoran
Common Name: ODB-2
CAS No.: 89331-94-2
Molecular Formula: C₃₁H₃₈N₂O₃
Molecular Weight: 486.65 g/mol
Assay: ≥99.5%
Appearance: White to off-white crystalline powder

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Quality Specifications

Parameter	Specification
Purity (HPLC)	≥99.5%
Melting Point	≥183.0°C
Insolubles	≤0.3%
Ash Content	≤0.2%
Volatile Matter	≤0.3%

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Applications

• Thermal Paper Manufacturing:
  • Primary color former for:
    • Thermal carbon paper
    • Fax machine thermal paper
    • POS receipt paper
• Specialty Applications:
  • Temperature-sensitive indicators

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Packaging & Shipping

• Standard Packaging:
  • 25 kg/fiber drum (with inner PE liner)
  • 25 kg/carton box (double-layer protection)
• Shipping Options:
  • By sea (full container load)
  • By air (IATA-compliant)
  • Express courier (DHL/FedEx)

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Storage & Handling

• Storage Conditions:
  • Store in dry, ventilated warehouse
  • Temperature: <30°C
  • Relative humidity: <65%
• Protection Measures:
  • Light-sensitive – use opaque containers
  • Moisture-sensitive – keep containers sealed

Disclaimer:

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