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Fungicides

Triphenyltin hydroxide

Also known as Triphenylhydroxytin, Fentine, Triphenyltin hydroxide (TPTH)

CAS 76-87-9Formula C18H16OSnMolar mass 367.04 g/molEC 200-990-6
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Serious health hazard, Hazardous to the environment 12 suppliers listed
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Triphenyltin hydroxide chemical structure, C18H16OSn, CAS 76-87-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Crystalline solid
Melting point
119 °C
Density
1.54 g/cm³ @ 20 °C
Flash point
400 °C
Solubility
In water, 1.2 ppm @ 20 °C.
HS code
293190
Category
Fungicides
UN number
UN 2786
Illustrative photo, closed blue fibre drums on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Triphenyltin hydroxide?

Plain description, key identifiers and synonyms

Triphenyltin hydroxide is an odorless white powder. Stable at room temperature. Melting point 121-123 °C. Moderately soluble in most organic solvents (Farm Chemical Handbook). Insoluble in water. Non corrosive. Used as a fungicide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triphenylstannanylium hydroxide
CAS number
76-87-9 CAS number cross-checked
EC number
200-990-6
Molecular formula
C18H16OSn
UNII
KKL46V5313
InChIKey
BFWMWWXRWVJXSE-UHFFFAOYSA-M
InChI
InChI=1S/3C6H5.H2O.Sn/c3*1-2-4-6-5-3-1;;/h3*1-5H;1H2;/q;;;;+1/p-1
SMILES (canonical and isomeric)
C1=CC=C(C=C1)[Sn+](C2=CC=CC=C2)C3=CC=CC=C3.[OH-]

Synonyms

  • Triphenylhydroxytin
  • Fentine
  • Triphenyltin hydroxide (TPTH)
  • (Sn(OH)Ph3)
  • Brestan H 47.5 WP fungicide
  • Dowco 186
  • Du-Ter
  • Du-Ter Fungicide
  • Du-Ter Fungicide Wettable Powder
  • Du-Ter PB-47 Fungicide
  • Du-Ter W-50
  • Du-Tur Flowable-30
  • Duter
  • Duter extra
  • ENT 28009
  • Erithane
  • Fenolovo
  • Fentin hydroxide
  • Fintin hydroxid
  • Fintin hydroxyde
  • Fintin idrossido
  • Fintine hydroxide
  • Fintine hydroxyde
  • Flo Tin 4L
  • Flo-Tin 4L
Show all 39 synonyms
  • Haitin
  • Haitin WP 20 (fentin hydroxide 20%)
  • Haitin WP 60 (fentin hydroxide 60%)
  • Hydroxyde de triphenyl-etain
  • Hydroxytriphenylstannane
  • Hydroxytriphenyltin
  • Ida, Imc Flo-Tin 4L
  • Idrossido di stagno trifenile
  • OMS 1017
  • Phenostat-H
  • Sn(OH)Ph3
  • Stannane, hydroxytriphenyl-
  • Sunitron H
  • Super Tin 4L Gardian Flowable Fungicide

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

Appearance
Crystalline solidexp.
Odour
ODORLESSexp.
Melting point
119 °Cexp.
Density
1.54 g/cm³ @ 20 °Cexp.
Flash point
400 °Cexp.
Solubility
In water, 1.2 ppm @ 20 °C.exp.
Vapour pressure
3.53 × 10⁻⁷ mm Hg at 25 °Cexp.

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
367.04 g/molcalc.
Exact mass
368.0223 Dacalc.
LogP (octanol/water)
2.03calc.
Topological polar surface area
30 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
20calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
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, the Fentin ring system.

3 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H330Fatal if inhaled.
  • H335May cause respiratory irritation.
  • H351Suspected of causing cancer.
  • H361dSuspected of damaging the unborn child.
  • H372Causes damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (29)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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.
  • 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.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off 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.
UN number
UN 2786
Transport hazard class
6.1
Packing group
II

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

Triphenyltin hydroxide suppliers

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Where suppliers are based

12 suppliers in 5 countries

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Triphenyltin hydroxide 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

Antifeeding compounds for insect pest control, nonsytemic fungicide. (Former use).

Fungicide. For early and late blight on potatoes, leaf spot on sugar beets, peanuts, scab, and several other diseases on pecans. Fungal diseases on rice, beans, garlic, onion, pepper, tomato. Exhibits antifeeding properties for surface-feeding insects. (Former use).

In antifouling paint (Former).

Triphenyl tin compounds are used as agricultural fungicides in crop protection. They are employed to control potato, celery, sugar beet, coffee, and rice against fungal disease. It is also used as a biocide in antifouling paints. (Former).

Industrial uses: Other.

Consumer uses: Other.

Use classes: Fungicides.

Roles

  • acaricide
  • agrochemical
  • antifungal agent
  • antifungal agrochemical
  • antimicrobial agent
  • fungicide
  • pesticide

Functional uses

  • Biocide

How it is made

Production (from) ... triphenyltin chloride ... by hydrolysis with aqueous sodium hydroxide.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 050-004-00-1

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Fentin hydroxide, Ref no: 1099, Annex ref: II/1099

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Triphenyltin hydroxide 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 Triphenyltin hydroxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Triphenyltin hydroxide, based on the data on this page

What is Triphenyltin hydroxide?

Triphenyltin hydroxide is an odorless white powder. Stable at room temperature. Melting point 121-123 °C. Moderately soluble in most organic solvents (Farm Chemical Handbook). Insoluble in water. Non corrosive. Used as a fungicide.

What is the CAS number of Triphenyltin hydroxide?

The CAS registry number of Triphenyltin hydroxide is 76-87-9.

What is the molecular formula and weight of Triphenyltin hydroxide?

The molecular formula of Triphenyltin hydroxide is C18H16OSn and its molar mass is 367.04 g/mol.

What is Triphenyltin hydroxide used for?

Antifeeding compounds for insect pest control, nonsytemic fungicide. (Former use). Fungicide. For early and late blight on potatoes, leaf spot on sugar beets, peanuts, scab, and several other diseases on pecans. Fungal diseases on rice, beans, garlic, onion, pepper, tomato.

Is Triphenyltin hydroxide hazardous?

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

What is the HS code of Triphenyltin hydroxide?

Triphenyltin hydroxide 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 Triphenyltin hydroxide?

CompoundList lists 12 suppliers of Triphenyltin hydroxide in United States, China, Brazil, Germany and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Triphenyltin hydroxide in India?

1 supplier in India list Triphenyltin hydroxide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Triphenyltin hydroxide?

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Guides for buyers

Practical guides that help when you source, ship or handle Triphenyltin hydroxide

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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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