Dibutyltin oxide

Synonyms

DBTO; Di-n-butyl-zinn-oxyd [German]; Di-n-butyltin oxide; Dibutyloxide of tin; Dibutyloxostannane; Dibutyloxotin; Dibutylstannane oxide; Dibutylstannium oxide; Kyslicnik di-n-butylcinicity [Czech]; Tin, dibutyl-, oxide; Tin, dibutyloxo-; Stannane, dibutyloxo-; [ChemIDplus] Dibutyl(oxo)stannane; [ECHA REACH Registrations] Dibutyltin(IV) oxide; [Sigma-Aldrich MSDS] UN3146

Category

Tin Compounds, Organic

Description

White solid; [Merck Index] White powder; [Sigma-Aldrich MSDS]

Sources/Uses

Used as a catalyst in synthetic organic chemistry; [Merck Index] Used to formulate adhesives-sealants, paints-coatings-thinners, polymers, products for dying-finishing-impregnating paper-board, textiles, and leather, to make fine chemicals, textiles-leather-fur, pulp-paper-paper products, wood products, rubber products, computer-electronic-optical products, in general manufacturing, and building and construction work; [ECHA REACH Registrations] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]

Comments

Corrosive to eyes in rabbits, with corneal opacity and other effects not reversed within 7 days; [EPA - TSCATS] Causes flaccid paralysis, general anesthesia, and somnolence in intraperitoneal lethal-dose studies of rats; Causes normocytic anemia in 26-week intermittent oral studies of rats; [RTECS] A skin, eye, and respiratory tract irritant; May cause CNS effects; Chronic exposure may cause liver injury; May be toxic to reproduction or development, based on animal studies; [ICSC] An irritant that may cause serious eye injury; May cause skin sensitization; Toxic by ingestion; Prolonged or repeated exposure may cause thymus injury; Suspected mutagen and teratogen (oropharyngeal malformations); [ECHA REACH Registrations] A mild skin irritant; May cause serious eye injury; Highly toxic by ingestion; Prolonged or repeated exposure may cause organ injury; Teratogenicity observed in rats; [Sigma-Aldrich MSDS] See "Tin, organic compounds."

Biomedical References

Yes

0.1 mg/m3, as Sn

0.2 mg/m3, as Sn

0.1 mg/m3, as Sn

0.02 mg/m3, inhalable fraction, as Sn

25 mg/m3, as Sn

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Organotin compound, solid, n.o.s."

Yes

Other CNS neurotoxin

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Yes

Diseases

Occupational diseases associated with exposure to this agent:

• Contact dermatitis, allergic

Processes

Industrial Processes with risk of exposure:

• Leather Tanning and Processing
• Painting (Pigments, Binders, and Biocides)
• Pulp and Paper Processing
• Textiles (Printing, Dyeing, or Finishing)
• Working with Glues and Adhesives