| | RACEMIC-8,8'-BIS(DIPHENYLPHOSPHINO)-3,3',4,4'-TETRAHYDRO-4,4,4',4',6,6'-HEXAMETHYL-2,2'-SPIROBI[2H-1-BENZOPYRAN],MIN. 95% SPANPHOS CAS:556797-94-5 Formula: C47H46O2P2 ACM556797945 SPAN; 4,4,4,4,6,6-hexamethyl-2,2-spirobi[chroman]- 704.81 Rare Earth and 'Geo' Elements Standard: Ba, Ce, Dy, Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Rb, Sc, Sm, Sr, Tb, Th, Tm, U, Y, Yb @ 100 µg/mL in 5% HNO3 APS002922 |