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    | product Name | poly(1,4-butanediol) |  
    | Synonyms | Poly(1,4-butanediol), tolylene 2,4-diisocyanate terminated; Poly(1,4-butanediol), isophorone diisocyanate terminated |  
    | Molecular Formula | (C9H6N2O2?(C4H8O)multH2 |  
    | CAS Registry Number | 9069-50-5 |  
    | Boiling point | 250℃ |  
    | Hazard Symbols |  |  
    | Risk Codes |  |  
    | Safety Description |  |  |