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Silicates, borates and other salts

Tetrasilane

Also known as n-Tetrasilane, disilanyl(silyl)silane

CAS 7783-29-1Formula H10Si4Molar mass 122.42 g/molEC 616-515-4
GHS signal word: Danger. Pictograms: Flammable
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Tetrasilane chemical structure, H10Si4, CAS 7783-29-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7783-29-1
Formula
H10Si4
Molar mass
122.42 g/mol
EC number
616-515-4
HS code
285000
Category
Silicates, borates and other salts

What is Tetrasilane?

Plain description, key identifiers and synonyms

Tetrasilane is a chemical substance with the molecular formula H10Si4 and a molar mass of 122.42 g/mol. Its CAS registry number is 7783-29-1. The IUPAC name is disilanyl(silyl)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
disilanyl(silyl)silane
CAS number
7783-29-1 CAS number cross-checked
EC number
616-515-4
Molecular formula
H10Si4
UNII
OI9DXJ0BL4
InChIKey
MBDFFBCLMHNNID-UHFFFAOYSA-N
InChI
InChI=1S/H10Si4/c1-3-4-2/h3-4H2,1-2H3
SMILES (canonical and isomeric)
[SiH3][SiH2][SiH2][SiH3]

Synonyms

  • n-Tetrasilane
  • disilanyl(silyl)silane

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
122.42 g/molcalc.
Exact mass
121.986 Dacalc.
LogP (octanol/water)
-4.2calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
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

Hazard statements

  • H250Catches fire spontaneously if exposed to air.
Precautionary statements (7)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P222Do not allow contact with air.
  • P231Handle and store contents under inert gas.
  • P233Keep container tightly closed.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P335 + P334If on skin: Brush off loose particles from skin. Immerse in cool water or wrap in wet bandages.
  • P370 + P378In case of fire: Use appropriate media to extinguish.

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

Tetrasilane suppliers

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Tetrasilane 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 Tetrasilane is traded under.

HS 2850.00Indicative HS code

Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds…

World exports in 2024
$648M
−0.5% vs 2023, imports $610M
2019 to 2024
Top exporters
  1. United States33.3%
  2. China24.9%
  3. Japan10.9%
Top importers
  1. South Korea17.6%
  2. China15.8%
  3. India * partner reported12.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Tetrasilane?

Tetrasilane is a chemical substance with the molecular formula H10Si4 and a molar mass of 122.42 g/mol. Its CAS registry number is 7783-29-1. The IUPAC name is disilanyl(silyl)silane.

What is the CAS number of Tetrasilane?

The CAS registry number of Tetrasilane is 7783-29-1.

What is the molecular formula and weight of Tetrasilane?

The molecular formula of Tetrasilane is H10Si4 and its molar mass is 122.42 g/mol.

Is Tetrasilane hazardous?

Tetrasilane carries the GHS signal word "Danger". Main hazards: catches fire spontaneously if exposed to air. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Tetrasilane?

Tetrasilane is usually classified under HS code 285000 (Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tetrasilane?

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What is the price of Tetrasilane?

Suppliers quote Tetrasilane 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 Tetrasilane

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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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