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Organometallic compounds

Fentin

Also known as Triphenylstannylium, Stannylium, triphenyl-, Fentine [ISO-French]

CAS 668-34-8Formula C18H15Sn+Molar mass 350.03 g/molEC 200-990-6
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment
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Fentin chemical structure, C18H15Sn+, CAS 668-34-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
668-34-8
Formula
C18H15Sn+
Molar mass
350.03 g/mol
EC number
200-990-6
HS code
293190
Category
Organometallic compounds

What is Fentin?

Plain description, key identifiers and synonyms

Triphenyltin(1+) is an organotin compound. It has a role as an antifeedant.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triphenylstannanylium
CAS number
668-34-8 CAS number cross-checked
EC numbers
200-990-6, 694-821-7
Molecular formula
C18H15Sn+
UNII
4QZ570621E
InChIKey
XBRCDWHXULVEFB-UHFFFAOYSA-N
InChI
InChI=1S/3C6H5.Sn/c3*1-2-4-6-5-3-1;/h3*1-5H;/q;;;+1
SMILES (canonical and isomeric)
C1=CC=C(C=C1)[Sn+](C2=CC=CC=C2)C3=CC=CC=C3

Synonyms

  • Triphenylstannylium
  • Stannylium, triphenyl-
  • Fentine [ISO-French]
  • triphenyltin(1+)
  • Fentin cation
  • Fentin ion
  • Tin(1+), triphenyl-, ion
  • Fentine (ISO-French)
  • Stannol, triphenyl-
  • triphenylstannanylium
  • SnPh3(+)
  • [SnPh3](+)

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
350.03 g/molcalc.
Exact mass
351.019 Dacalc.
LogP (octanol/water)
2.2calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
3calc.
Heavy atoms
19calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0calc.
Formal charge
1calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1cc[c]([Sn+]([c]2ccccc2)[c]2ccccc2)cc1

c1cc[c]([Sn+]([c]2ccccc2)[c]2ccccc2)cc1

3 rings, 19 atoms. This chemical is the scaffold itself.

3 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H331Toxic if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (18)
  • P261Avoid breathing 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.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Fentin suppliers

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Fentin price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • antifeedant
  • pesticide

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

Frequently asked questions

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

What is Fentin?

Triphenyltin(1+) is an organotin compound. It has a role as an antifeedant.

What is the CAS number of Fentin?

The CAS registry number of Fentin is 668-34-8.

What is the molecular formula and weight of Fentin?

The molecular formula of Fentin is C18H15Sn+ and its molar mass is 350.03 g/mol.

What is Fentin used for?

Known uses and roles of Fentin include heat stabilizers in plastics and polymers, cure catalysts and accelerators in adhesives and sealants, antifeedant and pesticide.

Is Fentin hazardous?

Fentin carries the GHS signal word "Danger". Main hazards: toxic if swallowed, toxic in contact with skin, toxic if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Fentin?

Fentin 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 Fentin?

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What is the price of Fentin?

Suppliers quote Fentin 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 Fentin

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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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