mole.gif (1741 bytes)Metanilic Acid

SPECIFICATION- METANILIC ACID

1.     Name                                    Metanilic Acid
2.     Molecular Weight                    173.2
3.     Empirical Formula                   C6H7NO3S
4.     Scientific Name                       Meta Amino Benzene Sulphonic
                                                     Acid (Aniline- 3 -Sulphonic Acid)
5.     Srtuctural Formula                   NH2
                                                     HO3
6.     Appearance                            White Powder to off pinkish powder.
7.     Purity                                     98.5% Min. Nitrite/Coupling
                                                     98.5% Min by HPLC.
8.     Solubility                                Soluble in dilute alkaline solution.
9.     Insolubles                                0.2% Max.
10.     Fe Content                            200 ppm Max.
11.     p-Sulphanilic Acid                  1% Max.