Agent Name

Triphenyltin hydroxide

Alternative Name

Fentin hydroxide

CAS Number




Major Category



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 extra; ENT 28009; Erithane; Fenolovo; Fentin; Fentin [ISO]; Fentin hydroxide [BSI]; Fentine [ISO-French]; Fintin hydroxid [German]; Fintin hydroxyde [Dutch]; Fintin idrossido [Italian]; Fintine hydroxide [French]; Fintine hydroxyde [French]; Flo Tin 4L; Flo-Tin 4L; Haitin; Haitin WP 20 (fentin hydroxide 20%); Haitin WP 60 (fentin hydroxide 60%); Hydroxyde de triphenyl-etain [French]; Hydroxytriphenylstannane; Hydroxytriphenyltin; Ida, Imc Flo-Tin 4L; Idrossido di stagno trifenile [Italian]; K 19; K 19 (VAN); K19; OMS 1017; Phenostat-H; Stannane, hydroxytriphenyl-; Stannol, triphenyl-; Sunitron H; Super Tin 4L Gardian Flowable Fungicide; Suzu H; TPTH; Tenhide; Tin, hydroxytriphenyl-; TPTH Technical; TPTOH; Trifenyl-tinhydroxyde [Dutch]; Trifenylstanniumhydroxid [Czech]; Triphenyl tin hydroxide; Triphenyl-zinnhydroxid [German]; Triphenylstannanol; Triphenylstannium hydroxide; Triphenyltin oxide; Triphenyltin(IV) hydroxide; Triple Tin 4L; Tubotin; Vancide KS; Vito Spot Fungicide; Wesley Technical Triphenyltin Hydroxide; [ChemIDplus] UN3146


Tin Compounds, Organic


White odorless solid; [HSDB] Off-white powder; [MSDSonline]


Used in insecticides, non-systemic fungicides (potatoes, sugar beets, nuts, rice, beans, and vegetables), and antifouling paints; Not currently registered with the EPA for use in the US; [HSDB]


Animals given a single lethal dose have tremor, drowsiness, and ataxia; In other animal studies, it has effects on the immune and reproductive systems; [Reference #1] A skin, respiratory tract, and severe eye irritant; May cause CNS effects; Can be absorbed through skin; May be toxic to the immune and reproductive systems; [ICSC] Causes redness and pain to skin and eyes; Can be absorbed through skin; [HSDB] A skin and mucous membrane irritant; [CAMEO] A skin irritant; Corrosive to eyes; May cause skin sensitization; [eChemPortal: ERMA] A skin and respiratory tract irritant; May cause serious eye injury; [eChemPortal: ESIS] An irritant; May cause serious eye injury; Can be absorbed through skin; [MSDSonline] See "ORGANOMETALS." See "Tin, organic compounds."


Banned for use as a pesticide for plant protection and biocide in the EU; [eChemPortal: ESIS]

Reference Link

INCHEM: Triphenyltin Compounds (CICADS 13 - 1999)

Exposure Assessment
Skin Designation (ACGIH)



0.1 mg/m3, as Sn


0.2 mg/m3, as Sn


0.1 mg/m3, as Sn


0.002 mg/m3, inhalable fraction, as Sn


25 mg/m3, as Sn

Vapor Pressure

3.53E-7 mm Hg

Lethal Concentration

LC50 (rat) = 60.3 mg/m3/4h

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Organotin compound, solid, n.o.s." Organic tin compounds have a "skin" designation and are classified as "A4" (Not classifiable as human carcinogen); [ACGIH]

Reference Link

EPA Pesticide Chemical Search

Adverse Effects

Other CNS Neurotoxin


Hepatotoxin, Secondary

ACGIH Carcinogen

Not Classifiable

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information


Chemical Information

Search ChemIDplus

Related Information in HazMap

Industrial Processes with risk of exposure: