Sulfamic acid cleaning solution for 4,4'-methylene-bisorthochloroaniline (MOCA).
Laboratory tests have shown that an aqueous solution of 1.0 wt.% sulfamic acid-0.5 vol.% surfactant can be used for decontaminating MOCA-contaminated surfaces to less than the analytical detectable limits for MOCA, without any flammability hazards. Nuclear magnetic resonance spectra have shown that a different compound is formed when sulfamic acid is reacted with MOCA, as evidenced by the disappearance of the NH2 peak from the MOCA spectrum.
D000588:Amines; D000814:Aniline Compounds / Q000032:analysis; D001559:Benzhydryl Compounds / Q000032:analysis; D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D003666:Decontamination; D009682:Magnetic Resonance Spectroscopy; D012995:Solubility; D013451:Sulfonic Acids
D000588:Amines; D000814:Aniline Compounds; D001559:Benzhydryl Compounds; D013451:Sulfonic Acids; C005741:sulfamic acid