CAS 13465-77-5 Hexachlorodisilane - Materials / Alfa Chemistry

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Hexachlorodisilane

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Catalog Number

ACM13465775

CAS Number

13465-77-5

Product Name

Hexachlorodisilane

Structure

Category

Self-Assembly Materials; Self Assembly and Lithography

Synonyms

1,1,1,2,2,2-Hexachlorodisilane

IUPAC Name

Trichloro(trichlorosilyl)silane

Molecular Weight

268.9

Molecular Formula

Cl6Si2

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

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.

Storage

Store under inert gas

Complexity

61.5

EC Number

236-704-1

Exact Mass

267.764019

Hazard Statements

H314 : Causes severe skin burns and eye damage.
H290 : May be corrosive to metals.

Heavy Atom Count

MDL Number

MFCD00011599

Monoisotopic Mass

267.764019

Odor

Acrid odor

Packaging

10 g; 100 g;

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.

Properties

Liquid

Safety Description

26-36/37/39-45

Signal Word

Danger

Specific Gravity

1.55

Stability

Stable, but reacts violently with water. Moisture sensitive. May be shock sensitive. Incompatible with water, moisture, acids, strong bases, oxidizing agents, alcohols.

Topological Polar Surface Area

0 Å²

WGK Germany

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