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Aromatic building blocks

Hexaphenyldisilane

Also known as 1,1,1,2,2,2-Hexaphenyldisilane, Disilane, hexaphenyl-, Disilane, 1,1,1,2,2,2-hexaphenyl-

CAS 1450-23-3Formula C36H30Si2Molar mass 518.81 g/molEC 215-913-1
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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Hexaphenyldisilane chemical structure, C36H30Si2, CAS 1450-23-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1450-23-3
Formula
C36H30Si2
Molar mass
518.81 g/mol
EC number
215-913-1
HS code
293190
Category
Aromatic building blocks

What is Hexaphenyldisilane?

Plain description, key identifiers and synonyms

Hexaphenyldisilane is a chemical substance with the molecular formula C36H30Si2 and a molar mass of 518.81 g/mol. Its CAS registry number is 1450-23-3. The IUPAC name is triphenyl(triphenylsilyl)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triphenyl(triphenylsilyl)silane
CAS number
1450-23-3 CAS number cross-checked
EC number
215-913-1
Molecular formula
C36H30Si2
UNII
A836PXA3G6
MDL number
MFCD00039558
InChIKey
ZMHATUZXFSOVSC-UHFFFAOYSA-N
InChI
InChI=1S/C36H30Si2/c1-7-19-31(20-8-1)37(32-21-9-2-10-22-32,33-23-11-3-12-24-33)38(34-25-13-4-14-26-34,35-27-15-5-16-28-35)36-29-17-6-18-30-36/h1-30H
SMILES (canonical and isomeric)
C1=CC=C(C=C1)[Si](C2=CC=CC=C2)(C3=CC=CC=C3)[Si](C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6

Synonyms

  • 1,1,1,2,2,2-Hexaphenyldisilane
  • Disilane, hexaphenyl-
  • Disilane, 1,1,1,2,2,2-hexaphenyl-
  • Disilane, hexaphenyl
  • Disilane, 1,1,1,2,2,2hexaphenyl
  • triphenyl(triphenylsilyl)silane
  • C36H30Si2
  • Disilane, hexaphenyl-,
  • 1,1,1,2,2,2-Hexaphenyldisilane #
  • 1,1,1,2,2,2-Hexaphenyldisilane, Disilane, 1,1,1,2,2,2-hexaphenyl-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
518.81 g/molcalc.
Exact mass
518.1886 Dacalc.
LogP (octanol/water)
4.41calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
7calc.
Heavy atoms
38calc.
Rings
6calc.
Aromatic rings
6calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc([Si](c2ccccc2)(c2ccccc2)[Si](c2ccccc2)(c2ccccc2)c2ccccc2)cc1

c1ccc([Si](c2ccccc2)(c2ccccc2)[Si](c2ccccc2)(c2ccccc2)c2ccccc2)cc1

6 rings, 38 atoms. This chemical is the scaffold itself.

1 other chemical share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
Precautionary statements (10)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Hexaphenyldisilane suppliers

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Where suppliers are based

1 supplier in 1 country

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Hexaphenyldisilane price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Hexaphenyldisilane is traded under.

HS 2931.90Indicative HS code

Organo-inorganic compounds, other than tetramethyl lead, tetraethyl lead, tributyltin compounds…

World exports in 2024
$3.97B
+5.3% vs 2023, imports $3.93B
2019 to 2024
Top exporters
  1. China28.3%
  2. United States15.6%
  3. Germany15.1%
Top importers
  1. United States14.6%
  2. China13.0%
  3. South Korea8.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Hexaphenyldisilane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hexaphenyldisilane, based on the data on this page

What is Hexaphenyldisilane?

Hexaphenyldisilane is a chemical substance with the molecular formula C36H30Si2 and a molar mass of 518.81 g/mol. Its CAS registry number is 1450-23-3. The IUPAC name is triphenyl(triphenylsilyl)silane.

What is the CAS number of Hexaphenyldisilane?

The CAS registry number of Hexaphenyldisilane is 1450-23-3.

What is the molecular formula and weight of Hexaphenyldisilane?

The molecular formula of Hexaphenyldisilane is C36H30Si2 and its molar mass is 518.81 g/mol.

What is Hexaphenyldisilane used for?

Known uses and roles of Hexaphenyldisilane include building blocks in research and laboratory.

Is Hexaphenyldisilane hazardous?

Hexaphenyldisilane carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Hexaphenyldisilane?

Hexaphenyldisilane is usually classified under HS code 293190 (X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hexaphenyldisilane?

CompoundList lists 1 supplier of Hexaphenyldisilane in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Hexaphenyldisilane?

Suppliers quote Hexaphenyldisilane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Hexaphenyldisilane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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