dichlorosilane

• ChemBase ID: 126989
• Molecular Formular: Cl2H2Si
• Molecular Mass: 101.00738
• Monoisotopic Mass: 99.93028196
• SMILES: Cl[SiH2]Cl
• Canonical SMILES: Cl[SiH2]Cl
• InChI: InChI=1S/Cl2H2Si/c1-3-2/h3H2
• InChIKey: MROCJMGDEKINLD-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dichlorosilane
• IUPAC Traditional name: dichlorosilane
• Synonyms: Silicic dichloride dihydride; Dichlorosilane; Dichlorosilane; 二氯硅烷

Database IDs

• CAS Number: 4109-96-0
• EC Number: 223-888-3
• MDL Number: MFCD00011600
• PubChem SID: 24860129; 162221312
• PubChem CID: 61330; 6327212
• Chemspider ID: 55266
• MeSH Name: dichlorosilane
• Wikipedia Title: Dichlorosilane

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 1.084
• LogD (pH = 7.4): 1.084
• Log P: 1.084
• Molar Refractivity: 13.8726 cm^3
• Polarizability: 7.5044174 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: Reacts in water
• Apperance: Colourless gas
• Melting Point: -122 °C(lit.); -122°C
• Boiling Point: 7.85°C (281K) (at 101 kPa); 8.3 °C(lit.)
• Flash Point: -34.6 °F; -37 °C
• Auto Ignition Point: 136 °F
• Density: 1.22 g cm^-3
• Vapor Pressure: 1254 mmHg ( 20 °C); 167.2 kPa (at 20 °C)
• Vapor Density: 3.5 (vs air)
• Std enthalpy of formation: -320.49 kJ mol^-1
• Std molar entropy: 286.72 J K^-1 mol^-1

Safety Information

• RTECS: VV3050000
• European Hazard Symbols: Highly flammable (F+); Toxic (T)
• UN Number: 2189
• German water hazard class: 1
• Hazard Class: 2.3
• Risk Statements: 12-14-23-34; R12, R14, R23, R34
• Safety Statements: 26-36/37/39-45; S26, S36/37/39, S45
• GHS Pictograms: GHS corrosion; GHS flame; GHS skull and crossbones; GHS02; GHS04; GHS05; GHS06
• GHS Signal Word: DANGER; Danger
• NFPA704:
  

  4

  4

  2

  W
• Explode Limits: 4.1–99%; 99 %
• GHS Hazard statements: 220, 280, 314, 331; H220-H280-H314-H331
• GHS Precautionary statements: 210, 261, 305+351+338, 310, 410+403; P210-P261-P280-P305 + P351 + P338-P310-P410 + P403
• Personal Protective Equipment: Faceshields, Gloves, Goggles, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 2189 2.3
• Supplemental Hazard Statements: Reacts violently with water.

Product Information

• Purity: ≥97%; ≥99.99% trace metals basis
• Film Resistivity: >50 Ω-cm
• Linear Formula: Cl2SiH2

DETAILS

Sigma Aldrich - 333395

Packaging
227 g in steel cylinder