Benzopinacol CAS 464-72-2

Appearance: White crystal powder
Assay: 98.00%
Packing: 1kg / aluminum foil bag or 25kg / fiber drum
Sample: Available

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Benzopinacol (CAS 464-72-2) Ultimate User Guide 2025

Table of Contents

1. Product Overview & Specifications

Benzopinacol (CAS 464-72-2), a crystalline organic compound, serves as a high-efficiency photoinitiator with the following technical parameters:

Parameter Specification
Chemical Name Benzopinacol
CAS Number 464-72-2
Molecular Formula C26H20O2
Molecular Weight 364.44 g/mol
Appearance White to off-white crystalline powder
Purity ≥99% (HPLC)
Melting Point 176-180°C
Solubility Soluble in acetone, DMF; Insoluble in water

Comparative Analysis with Similar Products

Feature Benzopinacol Irgacure 184 Darocur 1173
Initiation Efficiency High Medium High
Thermal Stability Up to 160°C 140°C 150°C
UV Range 250-400 nm 320-390 nm 300-400 nm

2. Key Applications & Industrial Uses

Primary Applications:

  • Photopolymerization Initiator: Enables rapid curing in UV-curable coatings (80% faster than thermal initiators)
  • Advanced Material Synthesis: Critical component in OLED manufacturing and optical films
  • Chemical Research: Used in radical-mediated organic synthesis

3. Step-by-Step Usage Guidelines

Typical Formulation for UV Coatings:

  1. Prepare resin base (e.g., epoxy acrylate)
  2. Add 0.5-2% Benzopinacol by weight
  3. Mix with 3% tertiary amine co-initiator
  4. Apply coating at 50-100 μm thickness
  5. UV cure at 300-400 mJ/cm² intensity

4. Performance Comparison with Alternatives

Parameter Benzopinacol Conventional Initiators
Curing Speed 15-30 sec 45-90 sec
Yellowing Index ΔY<0.5 ΔY>2.0
Storage Stability 12 months 6-8 months

5. Real-World Client Success Stories

Case 1: Automotive Coatings Manufacturer

Client: Top-tier German auto supplier
Challenge: Needed <3 minute curing for production lines
Solution: 1.8% Benzopinacol formulation
Result: 95 sec curing achieved (+300% line efficiency)

Case 2: Flexible Electronics Producer

Client: Asian OLED display leader
Challenge: Low-temperature curing for PET substrates
Solution: Benzopinacol-based initiator system
Result: Enabled 80°C processing (vs. 120°C previously)

6. Request Customized Quotation

Contact our technical team for application-specific formulations:

  • Email: info@vivalr.com
  • Phone: (86) 15866781826

[Request Sample] [Download TDS] [Schedule Tech Consult]

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