4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 94750 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71731 1-Phenyldodecane Price on request 93733 Volatile Standard Price on request PN-69S 1,2,3,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request