Selenium disulfide

Base Information

• Chemical Name: Selenium disulfide
• CAS No.: 7488-56-4
• Deprecated CAS: 12299-46-6
• Molecular Formula: S2Se
• Molecular Weight: 143.092
• Hs Code.: 28309085
• European Community (EC) Number: 231-303-8
• UN Number: 2657
• UNII: Z69D9E381Q
• DSSTox Substance ID: DTXSID0042375
• Nikkaji Number: J202.849B
• Wikipedia: Selenium disulfide,Selenium_disulfide
• Wikidata: Q56249646
• ChEMBL ID: CHEMBL1200680
• Mol file: 7488-56-4.mol

Synonyms:Abbottselsun;Bioselenium;Caspiselenio;Ellsurex;Exsel;Glo-Sel;Head and Shoulders;Iosel-250;Lenium;selenium disulfide;selenium sulfide;selenium sulfide (SeS2);Selsun;Selsun Blue;Selukos;Selun Gold;Versel

Chemical Property of Selenium disulfide

Chemical Property:

• Appearance/Colour: orange to reddish-brown powder
• Vapor Pressure: 0.001Pa at 20℃
• Melting Point: 100 °C
• Boiling Point: decomposes [STR93]
• PSA: 32.09000
• Density: 2.442[at 20℃]
• LogP: 0.37990
• Storage Temp.: Store below +30°C.
• Solubility.: Practically insoluble in water.
• Water Solubility.: Insoluble in water.
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 143.86066
• Heavy Atom Count: 3
• Complexity: 18.3
• Transport DOT Label: Poison

Purity/Quality:

99.9% ^*data from raw suppliers

Selenium(IV) sulfide, min. 94% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T; N
• Hazard Codes: N-T,N,T
• Statements: 50/53-33-23/25
• Safety Statements: 61-60-45-28A-20/21-28

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Other Classes -> Other Inorganic Compounds
• Canonical SMILES: S=[Se]=S
• Uses: Selenium sulfide is used as an antifungal agent to treat dandruff, seborrheic dermatitis, eborrhea and tinea versicolor. It is the active component in shampoos as an antifungal agent. Antifungal; antiseborrheic.
• Indications: Selenium sulfide suspension (Selsun) is a mixture of selenium monosulfide and a suspension of solid selenium and amorphous sulfur. Selenium acts by inhibiting cellular proliferation, kills yeast organisms, and has high substantivity. Little or no toxicity has been observed when applied directly to normal skin or hair, but these products should not be used on inflamed or exudative skin, where absorption may be increased. They are used in the control of seborrheic dermatitis, dandruff, and tinea versicolor.

Technology Process of Selenium disulfide

There total 3 articles about Selenium disulfide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

hydrogen sulfide (7783-06-4) + selenium tetrachloride (10026-03-6) → selenium disulfide (7488-56-4)

Guidance literature:

In further solvent(s); soln. of SeCl4 in liquid H2S, thiohydrolysis;; formation of sulfide;;

Reference yield:

hydrogen sulfide (7783-06-4) + selenious acid (7783-00-8) → selenium disulfide (7488-56-4)

Guidance literature:

With barium(II) chloride; In water; satn. of an aq. BaCl2 soln. with H2S; further introduction of H2S and slow addition of H2SeO3 soln. with vigorous stirring; high local excess of H2SeO3 soln. should be avoided (danger of sol formation);;

Reference yield:

selenium (7782-49-2) + sulfur (7704-34-9) → selenium disulfide (7488-56-4)

Guidance literature:

In gas; evaporation of Se in inert atmosphere and reaction of the vapor with S at about 700°C;;

upstream raw materials:

selenium

sulfur

hydrogen sulfide

selenious acid

Downstream raw materials:

2As(C₆H₅)4⁽¹⁺⁾*WO(Se₄)2^(2-)={As(C₆H₅)4}2{WO(Se₄)2}

2As(C₆H₅)4⁽¹⁺⁾*WS(Se₄)2^(2-)={As(C₆H₅)4}2{WS(Se₄)2}