The GFS Chemicals 2-hydroxy-1-2-hydroxy-4-sulfo-1-naphthylazo-3-naphthoic acid comes in a light yellow liquid form with an unpleasant odor. The 2-hydroxy-1-2-hydroxy-4-sulfo-1-naphthylazo-3-naphthoic acid is ideal for many purposes in professional, scientific and technical fields.
Application: For Professional, Scientific and Technical Activities: other Professional, Scientific and Technical Activities