disilane

• ChemBase ID: 127147
• Molecular Formular: H6Si2
• Molecular Mass: 62.21864
• Monoisotopic Mass: 62.00080326
• SMILES: [SiH3][SiH3]
• Canonical SMILES: [SiH3][SiH3]
• InChI: InChI=1S/H6Si2/c1-2/h1-2H3
• InChIKey: PZPGRFITIJYNEJ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: disilane
• IUPAC Traditional name: disilane
• Synonyms: Disilane; Disilane; 乙硅烷

Database IDs

• CAS Number: 1590-87-0
• EC Number: 216-466-5
• MDL Number: MFCD00054678
• PubChem SID: 162221469; 24869889
• PubChem CID: 6327126; 74123
• CHEBI ID: 30597
• Chemspider ID: 66736
• Gmelin ID: 368
• Wikipedia Title: Disilane

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): -1.866
• LogD (pH = 7.4): -1.866
• Log P: -1.866
• Molar Refractivity: 4.8 cm^3
• Polarizability: 6.6007166 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: Colourless gas; gas
• Melting Point: -132°C; -132.6 °C(lit.)
• Boiling Point: -14°C; -14.5 °C(lit.)
• Flash Point: <10 °C; <50 °F
• Density: 2.7 g dm^-3
• Transition Temperature: critical temperature 150.9 °C

Safety Information

• European Hazard Symbols: Flammable (F); Harmful (Xn)
• UN Number: 3161
• German water hazard class: 3
• Hazard Class: 2.1
• Risk Statements: 17-20/21-36/37/38-42
• Safety Statements: 16-24-26-36/37/39
• GHS Pictograms: GHS02; GHS04; GHS07; GHS08
• GHS Signal Word: Danger
• Main Hazard: Extremely flammable
• GHS Hazard statements: H220-H280-H312-H315-H319-H332-H334-H335
• GHS Precautionary statements: P210-P261-P280-P305 + P351 + P338-P342 + P311-P410 + P403
• Personal Protective Equipment: Eyeshields, Faceshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 3161 2.1

Product Information

• Grade: electronic grade
• Impurities: <0.2 ppm Chlorosilanes; <1 ppm Argon (Ar) + Oxygen (O2); <1 ppm Carbon dioxide (CO2); <1 ppm Nitrogen (N2); <1 ppm THC; <1 ppm Water; <5 ppm Siloxanes; ≤50 ppm Higher silanes
• Linear Formula: Si2H6

DETAILS

Sigma Aldrich - 463043

Features and Benefits
Disilane is used for the deposition of amorphous silicon, epitaxial silicon and silicon based dielectrics via rapid low-temperature chemical vapor depsition (LTCVD).2 Disilane is also used in the epitaxial growth of SiGe films by molecular beam epitaxy (MBE) in conjunction with solid sources of germanium.3 Precursor for the rapid, low temperature deposition of epitaxial silicon and silicon-based dielectrics.4
General description
Atomic number of base material: 14 Silicon
Packaging
20 g in ss cylinder
Application
Precursor for the rapid, low temperature deposition of epitaxial silicon and silicon-based dielectrics.1
Recommended products
Stainless steel regulators Z527416 or Z527424 are recommended.