4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 94750 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95345 VOC Standard Price on request 680991 Acetaminophen, 100 µg/ml, Acetonitrile, 1ml Price on request 96415 VOC Standard Price on request