4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 94728 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94519 EPA Method 551.1 Standard Price on request 677170 Trimethyltin chloride, 250mg Price on request 681523 D6-Carbofuran-3-hydroxy, 10mg Price on request