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Chlorides and other halides

Triiodosilane

Also known as SiHI3, triododsilane

CAS 13465-72-0Formula HI3SiMolar mass 409.81 g/molEC 882-539-9
GHS signal word: Danger. Pictograms: Flammable, Corrosive
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Triiodosilane chemical structure, HI3Si, CAS 13465-72-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
13465-72-0
Formula
HI3Si
Molar mass
409.81 g/mol
EC number
882-539-9
HS code
281290
Category
Chlorides and other halides

What is Triiodosilane?

Plain description, key identifiers and synonyms

Triiodosilane is a chemical substance with the molecular formula HI3Si and a molar mass of 409.81 g/mol. Its CAS registry number is 13465-72-0.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triiodosilane
CAS number
13465-72-0 CAS number cross-checked
EC number
882-539-9
Molecular formula
HI3Si
InChIKey
DNAPJAGHXMPFLD-UHFFFAOYSA-N
InChI
InChI=1S/HI3Si/c1-4(2)3/h4H
SMILES (canonical and isomeric)
[SiH](I)(I)I

Synonyms

  • SiHI3
  • triododsilane

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
409.81 g/molcalc.
Exact mass
409.6982 Dacalc.
LogP (octanol/water)
2.01calc.
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
0calc.
Formal charge
0calc.
Stereocentres
0calc.

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

  • H226Flammable liquid and vapour.
  • H260In contact with water releases flammable gases which may ignite spontaneously.
  • H314Causes severe skin burns and eye damage.
Precautionary statements (25)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P223Do not allow contact with water.
  • P231 + P232Handle and store contents under inert gas. Protect from moisture.
  • 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.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • 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.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • 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.
  • 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.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

Triiodosilane suppliers

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Triiodosilane 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 Triiodosilane is traded under.

HS 2812.90Indicative HS code

Halides and halide oxides of non-metals, other

World exports in 2024
$572M
+10.6% vs 2023, imports $388M
2019 to 2024
Top exporters
  1. South Korea28.3%
  2. China20.0%
  3. United States18.5%
Top importers
  1. South Korea16.4%
  2. Japan12.3%
  3. Singapore11.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Triiodosilane?

Triiodosilane is a chemical substance with the molecular formula HI3Si and a molar mass of 409.81 g/mol. Its CAS registry number is 13465-72-0.

What is the CAS number of Triiodosilane?

The CAS registry number of Triiodosilane is 13465-72-0.

What is the molecular formula and weight of Triiodosilane?

The molecular formula of Triiodosilane is HI3Si and its molar mass is 409.81 g/mol.

Is Triiodosilane hazardous?

Triiodosilane carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, in contact with water releases flammable gases which may ignite spontaneously, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Triiodosilane?

Triiodosilane is usually classified under HS code 281290 (Halides and halide oxides of non-metals, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Triiodosilane?

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What is the price of Triiodosilane?

Suppliers quote Triiodosilane 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 Triiodosilane

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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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