4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 71378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79439 Leptophos Price on request 64054 Aroclor 1254 in Transformer Oil Price on request 681882 2-Phenylhydroquinone, 100mg Price on request