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Organometallic compounds

Methyltriethoxygermane

Also known as triethoxy(methyl)germane

CAS 5865-91-8Formula C7H18GeO3Molar mass 222.83 g/molEC 801-674-6
GHS signal word: Warning. Pictograms: Flammable
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Methyltriethoxygermane chemical structure, C7H18GeO3, CAS 5865-91-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5865-91-8
Formula
C7H18GeO3
Molar mass
222.83 g/mol
EC number
801-674-6
HS code
293190
Category
Organometallic compounds

What is Methyltriethoxygermane?

Plain description, key identifiers and synonyms

Methyltriethoxygermane is a chemical substance with the molecular formula C7H18GeO3 and a molar mass of 222.83 g/mol. Its CAS registry number is 5865-91-8. The IUPAC name is triethoxy(methyl)germane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triethoxy(methyl)germane
CAS number
5865-91-8 CAS number cross-checked
EC number
801-674-6
Molecular formula
C7H18GeO3
InChIKey
NQDLHPSPSFDVJE-UHFFFAOYSA-N
InChI
InChI=1S/C7H18GeO3/c1-5-9-8(4,10-6-2)11-7-3/h5-7H2,1-4H3
SMILES (canonical and isomeric)
CCO[Ge](C)(OCC)OCC

Synonyms

  • triethoxy(methyl)germane

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
222.83 g/molcalc.
Exact mass
224.0468 Dacalc.
LogP (octanol/water)
1.66calc.
Topological polar surface area
27.69 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
6calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS02: Flammable
Flammable

Hazard statements

  • H226Flammable liquid and vapour.
Precautionary statements (11)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

Methyltriethoxygermane suppliers

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Methyltriethoxygermane 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 Methyltriethoxygermane 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 Methyltriethoxygermane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Methyltriethoxygermane?

Methyltriethoxygermane is a chemical substance with the molecular formula C7H18GeO3 and a molar mass of 222.83 g/mol. Its CAS registry number is 5865-91-8. The IUPAC name is triethoxy(methyl)germane.

What is the CAS number of Methyltriethoxygermane?

The CAS registry number of Methyltriethoxygermane is 5865-91-8.

What is the molecular formula and weight of Methyltriethoxygermane?

The molecular formula of Methyltriethoxygermane is C7H18GeO3 and its molar mass is 222.83 g/mol.

Is Methyltriethoxygermane hazardous?

Methyltriethoxygermane carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Methyltriethoxygermane?

Methyltriethoxygermane 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 Methyltriethoxygermane?

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What is the price of Methyltriethoxygermane?

Suppliers quote Methyltriethoxygermane 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 Methyltriethoxygermane

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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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