Trometamol CAS NO.77-86-1

CAS 77-86-1 grade Ultra Pure formula weight 121.14 formula C4H11NO3 physical description white crystalline powder Minimum Maximum app…

CAS 77-86-1 grade Ultra Pure formula weight 121.14 formula C4H11NO3 physical description white crystalline powder Minimum Maximum appearance pass assay (on dry basis) 99.9% 100.1% melting range 169.0癈 173.0癈 pH of 5% Aqueous solution 10.0 11.5 water by KF 0.3% heavy metals as Pb 2.0ppm heavy metals as Fe 5.0ppm magnesium 1.0ppm calcium 1.0ppm absorbance A 260 (1M solution) 0.06 absorbance A 280 (1M solution) 0.05 absorbance A 290 (1M solution) 0.20 insoluble matter 50.0ppm identification by IR pass residue on ignition 0.1% organic volatile impurities pass endotoxins 2.5eu/g