TPP-BQ
1. Introduction to triphenylphosphine-1,4-benzoquinone adduct
English name: Triphenylphosphine-1,4-Benzoquinone Adduct
Abbreviation: TPP–BQ
CASRN：5405-63-0
Constitutional formula ：
Formula: C24H20O2P
Molecular weight: 371.39
Use: as plastic additive.
2. Quality standards
| project | metric | bear fruit | remarks |
| surface | Pale yellow powder | Pale yellow powder | |
| content ，% | ≥98.0 | 98.5 | LC |
| volatile content ，% | ≤1.0 | 0.2 | |
| melting point ，℃ | 250-270 | 255-260 | |
| Nuclear magnetic resonance (1H,31P) | No significant peaks | No significant peaks |
