methanesulfonic anhydride cas 370071-69-5

Chemical Name:Methanesulfonic Anhydride
CAS No.:370071-69-5
Molecular Formula: C2H6O5S2
Molecular Weight:206.24
Appearance: Light amber viscous liquid
Assay: 99%min

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Comprehensive Guide to Methanesulfonic Anhydride (CAS 370071-69-5)

Table of Contents

1. Basic Information & Specifications

Parameter Value
CAS Number 370071-69-5
Chemical Formula C8H6Br4O2
Molecular Weight 453.75 g/mol
Appearance Amber viscous liquid
Purity 98.0% – 99.5%
Packaging 200 kg/drum or customized
Storage Keep sealed in cool, dry environment

Comparative Analysis

Feature Standard Grade Premium Grade
Bromine Content ≥44.0% ≥45.5%
Viscosity @25°C 4,000-40,000 cP Optimized flow properties
Moisture Content ≤0.2% ≤0.1%

2. Key Industrial Applications

2.1 Flame Retardancy Solutions

  • Rigid polyurethane foam insulation for construction
  • Fire-resistant coatings for electronic enclosures
  • Adhesives meeting UL94 V-0/V-1 standards

2.2 Polymer Modification

  • Reactive intermediate for epoxy resin systems
  • Cross-linking agent in specialty elastomers

3. Operational Guidelines

3.1 Processing Recommendations

  • Optimal reaction temperature: 120-150°C
  • Recommended catalyst: Organotin compounds
  • Compatibility solvents: Toluene, DMF, THF

3.2 Safety Protocols

  • PPE Requirements: Nitrile gloves, chemical goggles
  • Ventilation: Local exhaust mandatory
  • Spill management: Absorb with inert material

4. Client Success Stories

4.1 Automotive Components Manufacturer

  • Challenge: Achieve FMVSS 302 compliance for interior parts
  • Solution: 15% additive loading in PU formulations
  • Result: Passed vertical burn test with 50mm/min rate

4.2 Aerospace Insulation Supplier

  • Challenge: Reduce smoke density in cabin materials
  • Solution: Synergistic system with aluminum trihydrate
  • Result: NBS smoke chamber rating <75 Dm

5. Request Customized Solutions

Optimize your flame retardant formulations with technical support from our chemists:

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

Request sample materials or MSDS documentation:

  • Fast response within 24 business hours
  • Bulk order discounts available
  • Global logistics support
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