bapp cas 13080-86-9

Chemical Name:BAPP/4,4′-(4,4′-Isopropylidenediphenyl-1,1′-diyldioxy)dianiline
CAS No.:13080-86-9
Molecular Formula: C27H26N2O2
Molecular Weight:410.51
Appearance:Off-White Powder or Light Yellow Powder

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Comprehensive Guide to BAPP CAS 13080-86-9

Product Overview

BAPP (CAS 13080-86-9), chemically known as Bisphenol-A bis(diphenyl phosphate), is a halogen-free organophosphorus flame retardant widely used in polymers. Its high thermal stability and low toxicity make it ideal for electronics, construction materials, and automotive components.

Specifications & Comparative Analysis

Parameter BAPP CAS 13080-86-9 Alternative Flame Retardants
Molecular Weight 692.4 g/mol Varies (e.g., TCPP: 327.3 g/mol)
Phosphorus Content 8.9% 7-22% (varies by type)
Thermal Decomposition >300°C 200-400°C
RoHS Compliance Full Partial (some contain halogens)

Key Applications

  • Electronics: Circuit boards, connectors (UL94 V-0 rating)
  • Automotive: Battery casings, wire insulation
  • Construction: Fire-resistant cables, insulation foams

Usage Guidelines

Recommended Dosage

  • Thermoplastics: 10-15% by weight
  • Epoxy Resins: 20-25% by weight

Processing Conditions

  • Mixing Temperature: 180-220°C
  • Storage: Keep sealed at <30°C

Industry Case Studies

Case 1: High-Performance PCB Manufacturing

Client: Leading electronics supplier in Germany
Challenge: Achieve UL94 V-0 without brominated additives
Solution: 12% BAPP in epoxy composite
Result: Passed IEC 61249-2-21, 20% cost reduction vs. halogenated systems.

Case 2: EV Battery Safety Enhancement

Client: Chinese EV battery manufacturer
Challenge: Meet GB/T 31485-2015 flame retardancy
Solution: 18% BAPP in polyamide casing
Result: 50% longer burn-through time, 15% lighter vs. metal enclosures.

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