Hexachlorodisilane
Catalog Number
ACM13465775
CAS
13465-77-5
IUPAC Name
Trichloro(trichlorosilyl)silane
Synonyms
1,1,1,2,2,2-Hexachlorodisilane
Application
Hexachlorodisilane, a colorless liquid highly sensitive to moisture, serves as a versatile chemical reagent with various applications. It must be handled in a controlled, moisture-free environment due to its reactive nature when exposed to air or water. Primarily, its purpose includes deoxygenation and desulfurization of phosphine oxides, phosphine sulfides, and amine oxides, as well as acting as a reducing agent for nitro groups and sulfur diimides. Additionally, it is involved in numerous chemical reactions, such as decomposing to silicon tetrachloride and polysilicon compounds when catalyzed by triphenylphosphine or triphenylarsine and reacting with hydrogen chloride to produce silicon tetrachloride and hydrogen. These diverse applications underline its significance in specialized chemical processes.
Molecular Weight
268.9
Molecular Formula
Cl6Si2
Product Information
Canonical SMILES
[Si]([Si](Cl)(Cl)Cl)(Cl)(Cl)Cl
InChI
InChI=1S/Cl6Si2/c1-7(2,3)8(4,5)6
InChI Key
LXEXBJXDGVGRAR-UHFFFAOYSA-N
Boiling Point
144-145.5 °C
Melting Point
<0 °C
Flash Point
78 °C
Purity
95%+
Density
1.562 g/mL at 25 °C (lit.)
Appearance
Clear to straw-colored liquid
Storage
Store under inert gas
Complexity
61.5
Covalently-Bonded Unit Count
1
Exact Mass
267.764019
Hazard Statements
H314 : Causes severe skin burns and eye damage.
H290 : May be corrosive to metals.
H290 : May be corrosive to metals.
Heavy Atom Count
8
MDL Number
MFCD00011599
Monoisotopic Mass
267.764019
Odor
Acrid odor
Precautionary Statements
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P390 : Absorb spillage to prevent material damage.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/d°Ctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/d°Ctor.
P390 : Absorb spillage to prevent material damage.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/d°Ctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/d°Ctor.
Reaxys Registry Number
3535986
Signal Word
Danger
Specific Gravity
1.55
Topological Polar Surface Area
0 Ų
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