Properties: Rhombohedric-cubic crystals. White to colorless. Odor of hydrogen sulfide. Very hygroscopic. Readily hydrolyzed in moist air to NaOH and Na2S. d 1.79. Turns yellow upon heating in dry air, changing to orange at higher temps. mp 350° forming a black liquid. Sol in water, alcohol, ether. Gives a blue-green soln in dimethylformamide.
Melting point: mp 350°
Density: d 1.79
Derivative Type: Dihydrate
Properties: Needles or flakes, mp 55°. Completely and rapidly sol in water, alcohol, ether. Note: The commercial product is usually the dihydrate. Can be shipped in lacquer-lined steel drums.
Melting point: mp 55°
Derivative Type: Trihydrate
Properties: Shiny rhombs, mp 22°.
Melting point: mp 22°
Use: Dehairing hides; desulfurizing viscose rayon; in the manuf of sulfur-contg dyes and other thio compds such as thioamides, thiourea, thioglycolic acid, thio- and dithiobenzoic acids, sodium thiosulfate.
产品链接: 16721-80-5››