(sodiosulfanyl)sodium

• ChemBase ID: 151612
• Molecular Formular: Na2S
• Molecular Mass: 78.04454
• Monoisotopic Mass: 77.95160956
• SMILES: [Na]S[Na]
• Canonical SMILES: [Na]S[Na]
• InChI: InChI=1S/2Na.S
• InChIKey: CXPWOVUZRAFMDA-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: (sodiosulfanyl)sodium
• IUPAC Traditional name: sodium sulfide
• Synonyms: Sodium sulfide hydrate; Sodium sulfide; 硫化钠 水合物; 硫化钠

Database IDs

• CAS Number: 27610-45-3; 1313-82-2
• EC Number: 215-211-5
• MDL Number: MFCD00003498
• PubChem SID: 24886334; 24848172; 24865451; 162245763; 24886333
• PubChem CID: 237873

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): -2.3855
• LogD (pH = 7.4): -2.3855
• Log P: -2.3855
• Molar Refractivity: 5.7558 cm^3
• Polarizability: 7.0876923 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: H2O: soluble0.1 g/mL, clear, colorless
• Apperance: flakes; solid
• Melting Point: 950 °C(lit.)
• Density: 1.86 g/mL at 25 °C(lit.)

Safety Information

• RTECS: WE1905000
• European Hazard Symbols: Corrosive (C); Nature polluting (N); Harmful (Xn)
• UN Number: 1385; 1849
• German water hazard class: 2
• Hazard Class: 4.2; 8
• Packing Group: 2
• Risk Statements: 22-31-34-50
• Safety Statements: 26-36/37/39-45-61
• GHS Pictograms: GHS05; GHS06; GHS09
• GHS Signal Word: Danger
• GHS Hazard statements: H290-H301-H314-H400
• GHS Precautionary statements: P273-P280-P301 + P310-P305 + P351 + P338-P310
• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• RID/ADR: UN 1385 4.2/PG 2; UN 1849 8/PG 2
• Supplemental Hazard Statements: Contact with acids liberates toxic gas., Corrosive to the respiratory tract.
• Storage Temperature: 2-8°C

Product Information

• Purity: ≥60%; ≥60% (RT); 32-38% (RT); 59-65%
• Grade: technical
• Impurities: ≤0.005% ammonium (NH4); ≤10 mg/kg total nitrogen (N); ≤50 mg/kg ammonium (NH4)
• Cation Traces: Fe: ≤10 mg/kg
• Antion Traces: chloride (Cl-): ≤100 mg/kg; sulfite and thiosulfate (as S2O32-: ≤1%; sulfite and thiosulfate (as S2O32-: ≤10000 mg/kg
• Quality: for gravimetric analysis
• Appearance: scales
• Linear Formula: Na2S
• Empirical Formula (Hill Notation): Na2S · xH2O

DETAILS

Sigma Aldrich - 407410

Packaging
10, 50 g in glass bottle

Sigma Aldrich - 14738

Application
Sulfide precipitation of heavy metals from aqueous solutions

Sigma Aldrich - 13468

Application
Nucleophile and reducing agent derived from H2S; reagent for the synthesis of thiols, thioethers, and acyclic sulfides, di-, and polysulfides; reduces aromatic nitro compounds to amines; reduces sulfoxides to sulfides.
General description
May contain up to 40% water.