4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 98529 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended FBET 2-Perfluorobutyl ethanol (4:2 FTOH), 50µg/ml in MeOH, 1,2ml Price on request 32852 EPA Method 551 - Disinfection By-Products Price on request 13500-0448-100ME5 alpha-Pinene, 100µg/ml in MeOH, 5ml Price on request