thione

• ChemBase ID: 105533
• Molecular Formular: S2Se
• Molecular Mass: 143.09
• Monoisotopic Mass: 143.860663
• SMILES: S=[Se]=S
• Canonical SMILES: S=[Se]=S
• InChI: InChI=1S/S2Se/c1-3-2
• InChIKey: JNMWHTHYDQTDQZ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: thione
• IUPAC Traditional name: selenium disulfide
• Synonyms: Selenium sulfide; Selenium sulfide; Selenium disulfide; Selenium(IV) Disulfide; Selsun Blue; SELENIUM SULFIDE; SELENIUM DISULFIDE; 二硫化硒; 硫化硒

Database IDs

• CAS Number: 7488-56-4
• EC Number: 231-303-8
• MDL Number: MFCD00011227
• Merck Index: 148436
• PubChem SID: 162093626; 24855605
• PubChem CID: 24087
• ATC CODE: D01AE13
• CHEMBL: 1200680
• MeSH Name: Selenium+sulfide
• Wikipedia Title: Selenium_disulfide

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 0
• LogD (pH = 5.5): 0.9129
• LogD (pH = 7.4): 0.9129
• Log P: 0.9129
• Molar Refractivity: 31.9825 cm^3
• Polarizability: 8.059389 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Insoluble in water, in dilute HCl; negligible in water; soluble in ammonium monosulfide ; negligible in organic solvents
• Apperance: orange to brown powder; Powder
• Melting Point: <100°C; 217 deg. C; -249.5°C
• Boiling Point: -112°C; 684 +/- 1 deg. C; dec.
• Vapor Pressure: > 0.001 mm Hg at 20 °C
• pKa: 2-6
• Odor: faint

Safety Information

• Storage Condition: Room Temperature (15-30°C)
• RTECS: VS8925000
• European Hazard Symbols: Dangerous for the environment (N); Nature polluting (N); Toxic (T); Toxic (T)
• UN Number: 2657; UN2657
• German water hazard class: 3
• Hazard Class: 6.1
• Packing Group: 2; II
• Australian Hazchem: 2Z
• Risk Statements: 23/25-33-50/53; R:23/25-33; R23/25, R33, R50/53
• Safety Statements: 20/21-28-45-60-61; S:28-45-20/21; S1/2, S20/21, S28, S45, S60, S61
• EU Classification: T2
• EU Hazard Identification Number: 6.1B
• Emergency Response Guidebook(ERG) Number: 153
• TSCA Listed: 是
• EU Index: 034-002-00-8
• GHS Pictograms: GHS06; GHS08; GHS09
• GHS Signal Word: Danger
• NFPA704:
  

  0

  2

  0
• GHS Hazard statements: H301-H331-H373-H400-H410; H301-H331-H373-H410
• GHS Precautionary statements: P260-P261-P301+P310-P321-P405-P501A; P261-P273-P301 + P310-P311-P501
• Personal Protective Equipment: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
• RID/ADR: UN 2657 6.1/PG 2

Product Information

• Purity: 94%; 97%
• Linear Formula: SeS2

DETAILS

MP Biomedicals - 02191145

Selenium: 53-55%
Crystalline

MP Biomedicals - 05218025

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 257710

Packaging
25, 100 g in glass bottle