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Organometallic compounds

Trimethylindium

Also known as trimethylindigane, Indium, trimethyl-, Trimethylindium, elec. gr.

CAS 3385-78-2Formula C3H9InMolar mass 159.92 g/molEC 222-200-9
GHS signal word: Danger. Pictograms: Flammable, Corrosive 3 suppliers listed
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Trimethylindium chemical structure, C3H9In, CAS 3385-78-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3385-78-2
Formula
C3H9In
Molar mass
159.92 g/mol
EC number
222-200-9
HS code
293190
Category
Organometallic compounds

What is Trimethylindium?

Plain description, key identifiers and synonyms

Trimethylindium is a chemical substance with the molecular formula C3H9In and a molar mass of 159.92 g/mol. Its CAS registry number is 3385-78-2. The IUPAC name is trimethylindigane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
trimethylindigane
CAS number
3385-78-2 CAS number cross-checked
EC number
222-200-9
Molecular formula
C3H9In
UNII
WR722GMA7H
InChIKey
IBEFSUTVZWZJEL-UHFFFAOYSA-N
InChI
InChI=1S/3CH3.In/h3*1H3;
SMILES (canonical and isomeric)
C[In](C)C

Synonyms

  • trimethylindigane
  • Indium, trimethyl-
  • Trimethylindium, elec. gr.
  • Trimethylindium, elec gr. (99.999%-In)

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
159.92 g/molcalc.
Exact mass
159.9743 Dacalc.
LogP (octanol/water)
1.37calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
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
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive

Hazard statements

  • H250Catches fire spontaneously if exposed to air.
  • H260In contact with water releases flammable gases which may ignite spontaneously.
  • H261In contact with water releases flammable gas.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
Precautionary statements (23)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P222Do not allow contact with air.
  • P223Do not allow contact with water.
  • P231Handle and store contents under inert gas.
  • P231 + P232Handle and store contents under inert gas. Protect from moisture.
  • P233Keep container tightly closed.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P335 + P334If on skin: Brush off loose particles from skin. Immerse in cool water or wrap in wet bandages.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P402 + P404Store in a dry place. Store in a closed container.
  • P405Store locked up.
  • 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

Trimethylindium suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 3 suppliers

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Where suppliers are based

3 suppliers in 3 countries

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Trimethylindium 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

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

Frequently asked questions

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

What is Trimethylindium?

Trimethylindium is a chemical substance with the molecular formula C3H9In and a molar mass of 159.92 g/mol. Its CAS registry number is 3385-78-2. The IUPAC name is trimethylindigane.

What is the CAS number of Trimethylindium?

The CAS registry number of Trimethylindium is 3385-78-2.

What is the molecular formula and weight of Trimethylindium?

The molecular formula of Trimethylindium is C3H9In and its molar mass is 159.92 g/mol.

Is Trimethylindium hazardous?

Trimethylindium carries the GHS signal word "Danger". Main hazards: catches fire spontaneously if exposed to air, in contact with water releases flammable gases which may ignite spontaneously, in contact with water releases flammable gas. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Trimethylindium?

Trimethylindium 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 Trimethylindium?

CompoundList lists 3 suppliers of Trimethylindium in Finland, Japan and 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 Trimethylindium?

Suppliers quote Trimethylindium 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 Trimethylindium

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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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