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Organometallic compounds

Hexamethylditin

Also known as Distannane, hexamethyl-, Stannane, hexamethyldi-, Trimethyltin dimer

CAS 661-69-8Formula C6H18Sn2Molar mass 327.63 g/molEC 211-549-2
GHS signal word: Danger. Pictograms: Flammable, Acute toxicity (severe), Hazardous to the environment 5 suppliers listed
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Hexamethylditin chemical structure, C6H18Sn2, CAS 661-69-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
661-69-8
Formula
C6H18Sn2
Molar mass
327.63 g/mol
EC number
211-549-2
HS code
293190
Category
Organometallic compounds

What is Hexamethylditin?

Plain description, key identifiers and synonyms

Hexamethylditin is a chemical substance with the molecular formula C6H18Sn2 and a molar mass of 327.63 g/mol. Its CAS registry number is 661-69-8.

Identifiers

Registry numbers, names and line notations, tap to copy

CAS number
661-69-8 CAS number cross-checked
EC number
211-549-2
Molecular formula
C6H18Sn2
UNII
DSR4SPH97E
MDL number
MFCD00008277
InChIKey
CCRMAATUKBYMPA-UHFFFAOYSA-N
InChI
InChI=1S/6CH3.2Sn/h6*1H3;;
SMILES (canonical and isomeric)
C[Sn](C)C.C[Sn](C)C

Synonyms

  • Distannane, hexamethyl-
  • Stannane, hexamethyldi-
  • Trimethyltin dimer
  • Tin, hexamethyldi-
  • TD 5032
  • ((CH3)3Sn)2
  • 4-04-00-04346 (Beilstein Handbook Reference)
  • Distannane, 1,1,1,2,2,2-hexamethyl-
  • Hexamethyldistannane
  • Pennsalt TD 5032
  • 1,1,1,2,2,2-Hexamethyldistannane
  • Bis(trimethyltin)
  • Me6Sn2
  • Hexamethylditin, 99%
  • 1,1,1,2,2,2-Hexamethyldistannane #

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
327.63 g/molcalc.
Exact mass
329.9452 Dacalc.
LogP (octanol/water)
2.74calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
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
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H226Flammable liquid and vapour.
  • H300Fatal if swallowed.
  • H310Fatal in contact with skin.
  • H330Fatal if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (29)
  • 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.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • P316Get emergency medical help immediately.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Hexamethylditin suppliers

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Where suppliers are based

5 suppliers in 2 countries

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Hexamethylditin 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

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

Frequently asked questions

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

What is Hexamethylditin?

Hexamethylditin is a chemical substance with the molecular formula C6H18Sn2 and a molar mass of 327.63 g/mol. Its CAS registry number is 661-69-8.

What is the CAS number of Hexamethylditin?

The CAS registry number of Hexamethylditin is 661-69-8.

What is the molecular formula and weight of Hexamethylditin?

The molecular formula of Hexamethylditin is C6H18Sn2 and its molar mass is 327.63 g/mol.

What is Hexamethylditin used for?

Known uses and roles of Hexamethylditin include heat stabilizers in plastics and polymers and cure catalysts and accelerators in adhesives and sealants.

Is Hexamethylditin hazardous?

Hexamethylditin carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, fatal if swallowed, fatal in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Hexamethylditin?

Hexamethylditin 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 Hexamethylditin?

CompoundList lists 5 suppliers of Hexamethylditin in United States and Germany. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Hexamethylditin?

Suppliers quote Hexamethylditin 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 Hexamethylditin

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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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