Appearance and properties: light yellow and crystal

Density: 1,79g /cm3

Melting point: 55°C

Flash point: 90°C

Water solubility: 620 g/L (20 oC)

Stability: Stable, but hygroscopic. Flammable solid. May ignite in air.

Storage conditions: the warehouse is ventilated and dry at low temperature, and stored separately from acids, inflammables and oxidants.

Usage

Additives for the synthesis of organic intermediates and the preparation of sulphur dyes. The tannery industry is used for hair removal and tanning of raw hide, and also for wastewater treatment; Chemical fertilizer industry is used to remove monomer sulfur in activated carbon desulfurizer. It is a raw material for the manufacture of ammonium sulfide and pesticide ethylmercaptan semi-finished products. The mining industry is heavily used for copper ore processing. Artificial fiber production for sulfite dyeing and other aspects.