Appearance is colorless transparent oily liquid with characteristic mercaptan smell. Purity ≥ 98.0% by gas chromatography. Moisture content ≤ 0.2%. Refractive index and density meet standard specifications. Residue on ignition ≤ 0.05%.

Heavy metal content less than 10 ppm, all indexes conform to industrial grade standard.

It is commonly used as chain transfer agent and molecular weight regulator in polymer polymerization reaction.

Widely applied in synthetic rubber, resin, acrylic emulsion polymerization field. Used as raw material for rubber vulcanization accelerator, antioxidant and corrosion inhibitor. Also used in organic synthesis intermediates, metal surface treatment and chemical reagent industry.