1. Dye intermediates for the manufacture of sulphur dyes, azo dyes, fur dyes and fluorescent whitening agents EB. A raw material for the insecticide acesulfame in the pesticide industry.

2. It is mainly used for the manufacture of acid medium blue R, sulfurized yellow brown, etc., and can also be used as a fur dye. Used in the cosmetic industry for the manufacture of hair dyes (as complex dyes).

3. Determination of silver and tin and gold verification. An intermediate for diazo dyes and sulfur dyes.

4. It can be used in the manufacture of dyes, pharmaceuticals, plastic curing agents.

It is a kind of organic synthesis and dye intermediates. For the production of acid medium blue R, sulfur yellow brown, fluorescent whitening agent EBF. This product is absorbed by the skin and causes dermatitis, causing methemoglobinemia and asthma.