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HomeProduct name listBis(tributyltin) oxide

Bis(tributyltin) oxide

Synonym(s):Bis[tri-n-butyltin(IV)]oxide;HBD;Hexabutyldistannoxane;TBTO;Tributyltin(IV) oxide

  • CAS NO.:56-35-9
  • Empirical Formula: C24H54OSn2
  • Molecular Weight: 596.1
  • MDL number: MFCD00009418
  • EINECS: 200-268-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-03-28 14:27:36
Bis(tributyltin) oxide Structural

What is Bis(tributyltin) oxide?

Description

TBTO (bis(tri-n-butyltin)oxide) appears as thin, colourless to pale yellow, flammable and combustible liquid. It is soluble in organic solvents. TBTO, or bis(tri-n-butyltin)oxide, is an organotin compound used as a biocide, fungicide, and molluscicide. Uses of tributyltin also include as an anti-fouling chemical in marine paints for boats, anti-fungal agent in textiles and industrial water systems, in cooling tower and refrigeration water systems, wood pulp preservative in paints and paper mill systems, inner surfaces of cardboard, and in the manufacturing processes of leather goods, textiles, wood, plastics, and mothproof stored garments. In fact, TBT compounds are considered the most hazardous of all tin compounds.

Description

Tributyltin oxide, or, more formally, bis(tri-1-butyltin) oxide, is a rather nasty substance and a potent biocide. Like most volatile organotin compounds, it can cause ill effects ranging from skin irritation to convulsions. Its main use is as a wood preservative. It was formerly used as a marine anti-biofouling agent, but evidence of toxicity to marine animals led to a worldwide ban by the International Maritime Organization. Other pesticide uses of the compound have also been discontinued.

Chemical properties

Clear colorless liquid

The Uses of Bis(tributyltin) oxide

Bis(tributyltin) Oxide is an organotin compound used as a fungicide and molluscicide, particularly in wood preservation. Bis(tributyltin) Oxide was used as an active component in marine antifouling paints but is not longer used due to its toxicity and is considered a severe marine pollutant.

The Uses of Bis(tributyltin) oxide

Bis(tributyltin) oxide is widely used in Europe for the preservation of timber, millwork, and wood joinery, eg, window sashes and door frames. It is applied from organic solution by dipping or vacuum impregnation. It imparts resistance to attack by fungi and insects but is not suitable for underground use. An advantage of bis(tributyltin) oxide is that it does not interfere with subsequent painting or decorative staining and does not change the natural color of the wood.

The Uses of Bis(tributyltin) oxide

Tributyltin oxide is used as an antifouling and biocide agent against fungi, algae and bacteria in paints and is an irritant.

What are the applications of Application

Bis(tributyltin) oxide is an immunosuppressive compound

Definition

ChEBI: Tributyltin oxide is an inorganic molecular entity.

General Description

Clear pale yellow liquid. Toxic by skin absorption or inhalation of vapors. Used as a bactericide, fungicide and chemical intermediate.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Bis(tributyltin) oxide may react vigorously with oxidizing agents and with reducing agents.

Hazard

Toxic via ingestion and inhalation.

Health Hazard

ACUTE/CHRONIC HAZARDS: Bis(tributyltin) oxide is toxic by ingestion and inhalation and is a skin and eye irritant.

Fire Hazard

Bis(tributyltin) oxide is probably combustible.

Contact allergens

Tributyl tin oxide is used as an antifouling and biocide agent against fungi, algae, and bacteria, particularly in paints. Sometimes used in chemistry, tributyltin oxide is a strong irritant.

Properties of Bis(tributyltin) oxide

Melting point: -45°C
Boiling point: 180 °C2 mm Hg(lit.)
Density  1.17 g/mL at 25 °C(lit.)
vapor pressure  <0.01 mm Hg ( 25 °C)
refractive index  n20/D 1.486(lit.)
Flash point: >230 °F
storage temp.  +4°C
solubility  Chloroform (Soluble), Methanol (Slightly)
form  liquid
color  colorless
Specific Gravity 1.170
Water Solubility  INSOLUBLE
Sensitive  Air & Moisture Sensitive
Hydrolytic Sensitivity 5: forms reversible hydrate
BRN  745057
Exposure limits ACGIH: TWA 0.1 mg/m3; STEL 0.2 mg/m3 (Skin)
NIOSH: IDLH 25 mg/m3; TWA 0.1 mg/m3
Stability: Moisture Sensitive
CAS DataBase Reference 56-35-9(CAS DataBase Reference)
NIST Chemistry Reference Distannoxane, hexabutyl-(56-35-9)
EPA Substance Registry System Bis(tributyltin) oxide (56-35-9)

Safety information for Bis(tributyltin) oxide

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H301:Acute toxicity,oral
H311:Acute toxicity,dermal
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H360:Reproductive toxicity
H372:Specific target organ toxicity, repeated exposure
H400:Hazardous to the aquatic environment, acute hazard
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P309:IF exposed or if you feel unwell:
P310:Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Bis(tributyltin) oxide

InChIKey APQHKWPGGHMYKJ-UHFFFAOYSA-N

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