4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 71378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4288-20-IOX10 Sulfur Standard 4 21 Analytes, each 20µg/mL in isooctane Ethanethiol Ethylene sulfide Thiophene Methyl disulfide 2-Methylthiophene 3-Methylthiophene Diphenyl disulfide 2-Ethylthiophene 2,5-Dimethylthiophene 2-Propylthiophene 3-Propylthiophene Thiophe Price on request 683306 Trifluoroacetic acid, 1ml Price on request 10:2FTACR 1H,1H,2H,2H-Perfluorododecyl acrylate (97%), 1.2ml x 48.5ug/ml, isooctane Price on request