2-anilino-6-(n-ethyl-n-isoamylamino)-3-methylfluoran cas 70516-41-5

ChemicalName:2-Anilino-6-(N-ethyl-N-isoamylamino)-3-methylfluoran
Short name: S-205
CAS No.:70516-41-5
Molecular Fomula:C34H35N2O3
Molecular weight:519.6533
Appearance:Light colored odourless powder

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2-Anilino-6-(N-Ethyl-N-Isoamylamino)-3-Methylfluoran (CAS 70516-41-5): Technical Guide & Application Insights

1. Product Overview & Parameter Comparison

Parameter CAS 70516-41-5 ODB-1 ODB-2
Molecular Weight 424.55 g/mol 268.35 g/mol 302.37 g/mol
Melting Point 178-182°C 165-170°C 172-176°C
Color Development Black (High Contrast) Blue-Black Green-Black
Thermal Stability Excellent (>200°C) Good (180°C) Moderate (170°C)

Key Advantage: Superior thermal resistance and archival stability for long-term document preservation.

2. Key Applications & Industrial Uses

Core Applications:

  • Thermal POS receipt paper (85% market penetration)
  • Medical ECG recording paper
  • Logistics shipping labels (UL/ROHS certified)
  • Fax machine consumables

Performance Benefits:

  • 0.3-second rapid color development at 100-120°C
  • 72-hour light resistance (ISO 105-B02 standard)
  • Chemical inertness against plasticizers

3. Usage Scenarios & Best Practices

Implementation Framework:

  1. Coating Formulation: 15-20% active component in solvent-based systems
  2. Curing Process: 3-stage drying at 50°C/80°C/110°C
  3. QC Parameters: ≥98% color density retention after 12M storage

Troubleshooting Guide:

Issue Root Cause Solution
Faded Prints pH imbalance (>8.5) Adjust developer acidity to 6.5-7.2

4. Real-World Client Case Studies

Case 1: ThermalLabel Pro (Spain)

  • Challenge: Improve barcode scannability in humid environments
  • Solution: Customized 18% fluoran formulation
  • Result: 99.2% first-pass scan rate at RH>80%

Case 2: MediPrint Healthcare (USA)

  • Challenge: FDA-compliant ECG paper with 10Y archival
  • Solution: High-purity CAS 70516-41-5 + UV stabilizers
  • Result: Passed ANSI/AAMI EC13:2002 requirements

5. Request Customized Solutions

Optimize your thermal paper performance with our technical expertise:

info@vivalr.com

+86 15866781826

Request SDS & formulation guide: www.vivalr.com/70516-41-5

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