dimagnesiumylidenesilane

• ChemBase ID: 128183
• Molecular Formular: Mg2Si
• Molecular Mass: 76.6955
• Monoisotopic Mass: 75.94700993
• SMILES: [Mg]=[Si]=[Mg]
• Canonical SMILES: [Mg]=[Si]=[Mg]
• InChI: InChI=1S/2Mg.Si
• InChIKey: YTHCQFKNFVSQBC-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dimagnesiumylidenesilane
• IUPAC Traditional name: magnesium silicide
• Synonyms: Dimagnesium silicide; Magnesium silicide; Magnesium silicide; 硅化镁

Database IDs

• CAS Number: 22831-39-6
• EC Number: 245-254-5
• MDL Number: MFCD00016202
• Merck Index: 145688
• PubChem SID: 162222495; 24861130
• PubChem CID: 89858
• Chemspider ID: 81111
• Wikipedia Title: Magnesium_silicide

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): -1.455
• LogD (pH = 7.4): -1.455
• Log P: -1.455
• Molar Refractivity: 0.0 cm^3
• Polarizability: 6.4245887 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: -20 Mesh Powder; powder
• Melting Point: 1102°C; 1102°C
• Density: 1.988 g cm^-3; 2.0

Safety Information

• Storage Warning: Air & Moisture Sensitive
• European Hazard Symbols: Flammable (F)
• UN Number: 2624; UN2624
• German water hazard class: 3
• Hazard Class: 4.3
• Packing Group: 2; II
• Risk Statements: 14/15; 15; R23, R24, R25, R34
• Safety Statements: 43; 7/8-43
• TSCA Listed: 是
• EU Index: Not listed
• GHS Pictograms: GHS02
• GHS Signal Word: Danger
• Main Hazard: reacts with water to give silane
• GHS Hazard statements: H261
• GHS Precautionary statements: P231 + P232-P422; P231+P232-P280-P233-P370+P378A-P402+P404-P501A
• Personal Protective Equipment: Eyeshields, 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 2624 4.3/PG 2
• Supplemental Hazard Statements: Reacts violently with water.

Product Information

• Purity: ≥99% trace metals basis; 99.5% (metals basis)
• Particle Size: -20 mesh
• Linear Formula: Mg2Si

DETAILS

Sigma Aldrich - 343196

Packaging
25 g in glass bottle