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Organometallic compounds

Hexaphenyldigermoxane

Also known as triphenyl(triphenylgermyloxy)germane, Oxybis[triphenylgermane], Digermoxane, hexaphenyl-

CAS 2181-40-0Formula C36H30Ge2OMolar mass 623.86 g/molEC 621-917-8
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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Hexaphenyldigermoxane chemical structure, C36H30Ge2O, CAS 2181-40-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2181-40-0
Formula
C36H30Ge2O
Molar mass
623.86 g/mol
EC number
621-917-8
HS code
293190
Category
Organometallic compounds

What is Hexaphenyldigermoxane?

Plain description, key identifiers and synonyms

Hexaphenyldigermoxane is a chemical substance with the molecular formula C36H30Ge2O and a molar mass of 623.86 g/mol. Its CAS registry number is 2181-40-0. The IUPAC name is triphenyl(triphenylgermyloxy)germane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triphenyl(triphenylgermyloxy)germane
CAS number
2181-40-0 CAS number cross-checked
EC number
621-917-8
Molecular formula
C36H30Ge2O
MDL number
MFCD00014065
InChIKey
CSZJVCVUPYDGNQ-UHFFFAOYSA-N
InChI
InChI=1S/C36H30Ge2O/c1-7-19-31(20-8-1)37(32-21-9-2-10-22-32,33-23-11-3-12-24-33)39-38(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)[Ge](C2=CC=CC=C2)(C3=CC=CC=C3)O[Ge](C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6

Synonyms

  • triphenyl(triphenylgermyloxy)germane
  • Oxybis[triphenylgermane]
  • Digermoxane, hexaphenyl-
  • (Ph3Ge)2O
  • Hexaphenyldigermoxane, 97%
  • Bis(triphenylgermanium) oxide
  • Oxbis(triphenylgermanium(IV))
  • Oxybis(triphenylgermanium(IV))
  • 1,1,1,3,3,3-Hexaphenyldigermoxane

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
623.86 g/molcalc.
Exact mass
626.072 Dacalc.
LogP (octanol/water)
4.34calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
8calc.
Heavy atoms
39calc.
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, c1cc[c]([Ge]([O][Ge]([c]2ccccc2)([c]2ccccc2)[c]2ccccc2)([c]2ccccc2)[c]2ccccc2)cc1

c1cc[c]([Ge]([O][Ge]([c]2ccccc2)([c]2ccccc2)[c]2ccccc2)([c]2ccccc2)[c]2ccccc2)cc1

6 rings, 39 atoms. This chemical is the scaffold itself.

2 other chemicals 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.
  • H332Harmful if inhaled.
Precautionary statements (13)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • 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.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • 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

Hexaphenyldigermoxane suppliers

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Where suppliers are based

1 supplier in 1 country

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Hexaphenyldigermoxane price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Hexaphenyldigermoxane 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 Hexaphenyldigermoxane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Hexaphenyldigermoxane?

Hexaphenyldigermoxane is a chemical substance with the molecular formula C36H30Ge2O and a molar mass of 623.86 g/mol. Its CAS registry number is 2181-40-0. The IUPAC name is triphenyl(triphenylgermyloxy)germane.

What is the CAS number of Hexaphenyldigermoxane?

The CAS registry number of Hexaphenyldigermoxane is 2181-40-0.

What is the molecular formula and weight of Hexaphenyldigermoxane?

The molecular formula of Hexaphenyldigermoxane is C36H30Ge2O and its molar mass is 623.86 g/mol.

Is Hexaphenyldigermoxane hazardous?

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

What is the HS code of Hexaphenyldigermoxane?

Hexaphenyldigermoxane 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 Hexaphenyldigermoxane?

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

What is the price of Hexaphenyldigermoxane?

Suppliers quote Hexaphenyldigermoxane 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 Hexaphenyldigermoxane

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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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