4,4'-Diaminodiphenylmethane, >98%, 25g Back Catalog number: M0220 Manufacturer: TCI EUROPE N.V. Availability: In the manufacturer's stock Price on request - + Recommended 54122 Turbidity Standard (400 NTU) Price on request 680696 2,3,6-Trimethylphenol, 100 µg/ml, Acetonitrile, Price on request 674941 Benzyltrimethylammonium chloride, 100mg Price on request