PRODUCTS

BIS(TRI-N-BUTYLTIN)OXIDE

Bis(tri-n-butyltin)oxide is a genotoxic compound that inhibits the activities of enzymes such as sulfamoyl chloride and hydroxyl group.
Bis(tri-n-butyltin)oxide is a chemical compound that the organometallic compounds belongs and primarily as underwater paint (fungicide) was used in shipbuilding.
Bis(tri-n-butyltin)oxide has the form of a colorless to pale yellow liquid that is only slightly soluble in water (20 ppm) but highly soluble in organic solvents.

CAS Number: 56-35-9
EC Number: 200-268-0
Molecular Formula: C24H54OSn2
Molecular Mass: 596.112

Synonyms: Tributyltin oxide, 56-35-9, BIS(TRIBUTYLTIN) OXIDE, TBTO, Hexabutyldistannoxane, Distannoxane, hexabutyl-, Bis(tributyltin)oxide, Butinox, Bis(tri-n-butyltin) oxide, Lastanox Q, Biomet, Mykolastanox F, Biomet 66, Stannicide A, Bis(tri-n-butyltin)oxide, Lastanox F, Lastanox T, Biomet TBTO, BioMeT SRM, Bis(tributylstannyl)oxide, Lastanox T 20, Tin, oxybis(tributyl-, Vikol AF-25, Vikol LO-25, Oxybis(tributylstannane), Hexabutyl distannoxane, Oxyde de tributyletain, C-Sn-9, Bis(tributyloxide) of tin, Bis-(tri-n-butylcin)oxid, Oxybis(tributyltin), Hexabutyldistannioxan, Bis(tri-N-butylzinn)-oxyd, Bis(tributylstannium) oxide, OTBE, Tin, bis(tributyl)-, oxide, Kyslicnik tri-N-butylcinicity, ENT 24,979, Stannane, tri-N-butyl-, oxide, tributyl(tributylstannyloxy)stannane, L.S. 3394, NSC 22332, Oxybis[tributyltin], 6-Oxa-5,7-distannaundecane, 5,5,7,7-tetrabutyl-, Bis(tri-n-butyltin)oxide, technical grade, Stannane, oxide, 3353Q84MKM, NSC-22332, Bis(tributyltin oxide), oxybis(tributyl tin), Oxybis[tributylstannane], Distannoxane, 1,1,1,3,3,3-hexabutyl-, bis(tributyl tin)oxide, OTBE [French], Caswell No. 101, 6-Oxa-5, 5,5,7,7-tetrabutyl-, HBD, Hexabutyldistannioxan [Czech], CCRIS 3697, WLN: 4-SN-4&4&O-SN-4&4&4, HSDB 6505, Bis-(tri-n-butylcin)oxid [Czech], Bis(tri-n-butylzinn)-oxyd [German], EINECS 200-268-0, Tributyltin oxide (TBTO), Kyslicnik tri-n-butylcinicity [Czech], EPA Pesticide Chemical Code 083001, ZK 21995, tributyltinoxide, UNII-3353Q84MKM, AI3-24979, tributyltin hydrate, Tributyl tin oxide, hexabutyidistannoxane, MFCD00009418, TBOT, Tributyltin(IV) oxide, (nBu3Sn)2O, Tributyltin(IV) oxide;, (Bu3Sn)2O, bis(tributyl stannyl)oxide, EC 200-268-0, bis (tri-n-butyltin) oxide, bis(tri-n-butylstannyl)oxide, SCHEMBL19183, Keycide X-10 (Salt/Mix), bis(tri-n-butylstannyl) oxide, Bis[tri-n-butyltin(IV)]oxide, Bis(tributyltin) oxide, 96%, TBTO (Bis(tributyltin) oxide), DTXSID9020166, TRIBUTYLTIN OXIDE [HSDB], APQHKWPGGHMYKJ-UHFFFAOYSA-, CHEBI:81543, NSC22332, NSC28132, Tox21_203001, NSC-28132, tributyl[(tributylstannyl)oxy]stannane, AKOS015909709, ZINC169743007, CAS-56-35-9, 1,1,1,3,3,3-Hexabutyldistannoxane #, NCGC00163942-01, NCGC00163942-02, NCGC00260546-01, BP-20397, TBTO, PESTANAL(R), analytical standard, FT-0623098, C18149, EN300-219085, A831016, Q384794

Bis(tri-n-butyltin)oxide is an organotin compound chiefly used as a biocide (fungicide and molluscicide), especially a wood preservative.
Bis(tri-n-butyltin)oxide chemical formula is [(C4H9)3Sn]2O.

Bis(tri-n-butyltin)oxide is a colorless viscous liquid.
Bis(tri-n-butyltin)oxide is poorly soluble in water (20 ppm) but highly soluble in organic solvents.
Bis(tri-n-butyltin)oxide is a potent skin irritant.

Historically, Bis(tri-n-butyltin)oxide's biggest application was as a marine anti-biofouling agent.
Concerns over toxicity of these compounds have led to a worldwide ban by the International Maritime Organization.

Bis(tri-n-butyltin)oxide is now considered a severe marine pollutant and a Bis(tri-n-butyltin)oxide of Very High Concern by the EU.
Today, Bis(tri-n-butyltin)oxide is mainly used in wood preservation.

Bis(tri-n-butyltin)oxide is a genotoxic compound that inhibits the activities of enzymes such as sulfamoyl chloride and hydroxyl group.
Bis(tri-n-butyltin)oxide also causes cell lysis, which leads to bacterial death.

Bis(tri-n-butyltin)oxide has been shown to have antimicrobial activity against a variety of bacteria including methicillin-resistant Staphylococcus aureus (MRSA).
Bis(tri-n-butyltin)oxide has also been shown to be effective against microbial infection in mice.
Bis(tri-n-butyltin)oxide is toxic to the liver, causing fatty changes and lesions, as well as decreased levels of atp and hepatic tissues.

Bis(tri-n-butyltin)oxide is an inorganic molecular entity.

Bis(tri-n-butyltin)oxide appears as clear pale yellow liquid.
Toxic by skin absorption or inhalation of vapors.
Bis(tri-n-butyltin)oxide is used as a bactericide, fungicide and chemical intermediate.

Bis(tri-n-butyltin)oxide is an organotin compound.
Bis(tri-n-butyltin)oxides are the main active ingredients in certain biocides used to control a broad spectrum of organisms, and are also used in wood preservation, marine paints (as antifouling pesticides), and textiles and industrial water systems (as antifungal agents).

They also considered moderately to highly persistent organic pollutants and are especially hazardous to marine ecosystems.
The main toxic component of Bis(tri-n-butyltin)oxides is tin.

Bis(tri-n-butyltin)oxide is a chemical element with the symbol Sn and atomic number 50.
Bis(tri-n-butyltin)oxide is a natural component of the earth's crust and is obtained chiefly from the mineral cassiterite, where Bis(tri-n-butyltin)oxide occurs as tin dioxide.

Bis(tri-n-butyltin)oxide is a chemical compound that the organometallic compounds belongs and primarily as underwater paint (fungicide) was used in shipbuilding.

Bis(tri-n-butyltin)oxide has the form of a colorless to pale yellow liquid that is only slightly soluble in water (20 ppm) but highly soluble in organic solvents.
Bis(tri-n-butyltin)oxide is used in Anti Fouling Paints and Wood Preservatives.
Bis(tri-n-butyltin)oxide compounds had been used as marine anti-biofouling agents.

Bis(tri-n-butyltin)oxide is a rather nasty substance and a potent biocide.
Like most volatile organotin compounds, Bis(tri-n-butyltin)oxide can cause ill effects ranging from skin irritation to convulsions.

Bis(tri-n-butyltin)oxide main use is as a wood preservative.
Bis(tri-n-butyltin)oxide 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.

Bis(tri-n-butyltin)oxide appears as thin, colourless to pale yellow, flammable and combustible liquid.
Bis(tri-n-butyltin)oxide is soluble in organic solvents.

Bis(tri-n-butyltin)oxide is an organotin compound used as a biocide, fungicide, and molluscicide.
Bis(tri-n-butyltin)oxide is 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, Bis(tri-n-butyltin)oxide compounds are considered the most hazardous of all tin compounds.

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

Bis(tri-n-butyltin)oxide is widely used in Europe for the preservation of timber, millwork, and wood joinery, eg, window sashes and door frames.
Bis(tri-n-butyltin)oxide is applied from organic solution by dipping or vacuum impregnation.

Bis(tri-n-butyltin)oxide imparts resistance to attack by fungi and insects but is not suitable for underground use.
An advantage of Bis(tri-n-butyltin)oxide is that Bis(tri-n-butyltin)oxide does not interfere with subsequent painting or decorative staining and does not change the natural color of the wood.

Bis(tri-n-butyltin)oxide is an organotin compound chiefly used as a biocide (fungicide and molluscicide), especially a wood preservative.
Bis(tri-n-butyltin)oxide has the form of a colorless to pale yellow liquid that is only slightly soluble in water (20 ppm) but highly soluble in organic solvents.

Bis(tri-n-butyltin)oxide is a potent skin irritant.
Bis(tri-n-butyltin)oxide had been used as marine anti-biofouling agents.

Concerns over toxicity of these compounds have led to a worldwide ban by the International Maritime Organization.
Bis(tri-n-butyltin)oxide is now considered a severe marine pollutant and a Substance of Very High Concern by the EU.

Bis(tri-n-butyltin)oxide is used as an antifouling and biocide agent against fungi, algae and bacteria in paints and is an irritant.
Bis(tri-n-butyltin)oxide is a chemical compound that the organometallic compounds belongs and primarily as underwater paint ( fungicide ) was used in shipbuilding.

Bis(tri-n-butyltin)oxide is an organotin compound.
Bis(tri-n-butyltin)oxide are the main active ingredients in certain biocides used to control a broad spectrum of organisms, and are also used in wood preservation, marine paints (as antifouling pesticides), and textiles and industrial water systems (as antifungal agents).
They also considered moderately to highly persistent organic pollutants and are especially hazardous to marine ecosystems.

The main toxic component of Bis(tri-n-butyltin)oxide is tin.
Bis(tri-n-butyltin)oxide is a chemical element with the symbol Sn and atomic number 50.
Bis(tri-n-butyltin)oxide is a natural component of the earth's crust and is obtained chiefly from the mineral cassiterite, where Bis(tri-n-butyltin)oxide occurs as tin dioxide

Bis(tri-n-butyltin)oxide is employed in the synthesis of α,β-unsaturated methyl ketones, isoxazoles.

Bis(tri-n-butyltin)oxide is an organotin compound chiefly used as a biocide (fungicide and molluscicide), especially a wood preservative.
Bis(tri-n-butyltin)oxide chemical formula is C24H54OSn2.

Bis(tri-n-butyltin)oxide has the form of a thin, colorless to pale yellow liquid with melting point -45 °C, boiling point 180 °C, and slight water solubility (20 ppm).
Bis(tri-n-butyltin)oxide is combustible and soluble in organic solvents.

Bis(tri-n-butyltin)oxide is available under names AW 75-D, Bio-Met TBTO, Biomet, Biomet 75, BTO, Butinox, C-SN-9, Hexabutyldistannoxane, Hexabutylditin, and others.
Bis(tri-n-butyltin)oxide is a potent skin irritant.

Bis(tri-n-butyltin)oxide had been used as marine anti-biofouling agents.
Concerns over toxicity of these compounds (some reports describe biological effects to marine life at a concentration of 1 nanogram per liter) have led to a world-wide ban by the International Maritime Organization.
Bis(tri-n-butyltin)oxide is now considered a severe marine pollutant.

Bis(tri-n-butyltin)oxide are organic derivatives of tetravalent tin.
They are characterized by the presence of covalent bonds between carbon atoms and a tin atom and have the general formula (n-C4H9)3Sn-X (where X isan anion).

The purity of commercial Bis(tri-n-butyltin)oxide is generally above 96%; the principal impurities are dibutyltin derivatives and, to a lesser extent, tetrabutyltin and other trialkyltin compounds.
Bis(tri-n-butyltin)oxide is a colourless liquid with a characteristic odour and a relative density of 1.17 to 1.18.

Bis(tri-n-butyltin)oxide has been used as an anti-fouling paint on commercial ships for decades, inhibiting mollusks or barnacles from attaching themselves to ships.
However, Bis(tri-n-butyltin)oxide has also been recognized as a toxic chemical that causes reproductive defects in and death of crustaceans.
Bis(tri-n-butyltin)oxide is a common problem on both coasts of North America, and is a growing concern in the great lakes.

Uses of Bis(Tri-N-Butyltin)Oxide:
Bis(tri-n-butyltin)oxide is used as antimicrobial and slimicide for cooling-water treatment, disinfectant for hard-surface, sanitizer for laundry, mildewcides in water-based emulsion paints, preservative for timber, millwork, wood, textiles, paper, leather, and glass, and as fungicide and bactericide in underwater and antifouling paints.
Bis(tri-n-butyltin)oxide is also used as pesticide, molluscicide, rodent repellant, and insecticide.

Bis(tri-n-butyltin)oxide is used as a bactericide, fungicide, and chemical intermediate.
Bis(tri-n-butyltin)oxide is used as fungicide, disinfectant, algicide, microbiocide, and microbiostat for cooling tower water, wood preservation (paints, stains, and waterproofing formulations), hard surfaces (livestock, veterinary, and other animal facilities), building materials (drywall, joint compound MDF board, and particulate board), building material adhesives, and adhesives for other manufacturing applications.

Bis(tri-n-butyltin)oxide is also used to treat textile fabrics (except laundry and clothing), paper, fiberfill, foam, rope, sponges, and other materials.
Bis(tri-n-butyltin)oxides are also used in petrochemical injection fluids, metal working fluids, irrigation tubing for non-agricultural uses, rubber for sonar domes, and instruments for oceanographic observations.

Antimicrobials and slimicides for cooling-water treatment and as hard-surface disinfectants.
Also laundry sanitizers and mildewcides to prevent mildew formation in the dried film of water-based emulsion paints.

Bis(tri-n-butyltin)oxide is widely used in Europe for the preservation of timber, millwork, and wood joinery, e.g., window sashes and door frames.
Bis(tri-n-butyltin)oxide is used in fungicide and bactericide in underwater and antifouling paints, pesticide.

Bis(tri-n-butyltin)oxides are the main active ingredients in certain biocides used to control a broad spectrum of organisms, and are also used in wood preservation, marine paints (as antifouling pesticides), and textiles and industrial water systems (as antifungal agents).

Industrial Processes with risk of exposure:
Pulp and Paper Processing
Textiles (Fiber & Fabric Manufacturing)
Painting (Pigments, Binders, and Biocides)
Applying Wood Preservatives
Using Disinfectants or Biocides

General Manufacturing Information of Bis(Tri-N-Butyltin)Oxide:
Bis(tri-n-butyltin)oxide antifouling paint can be classified into three chemical groups based on the way the Bis(tri-n-butyltin)oxide is incorporated into the paint coating and subsequently released.

The first group includes paints in which the Bis(tri-n-butyltin)oxide active ingredient is mixed into the paint matrix and the Bis(tri-n-butyltin)oxide ion is released from the paint by diffusion.
These are called free association paints.

The second group has the Bis(tri-n-butyltin)oxide moiety chemically bound to the paint matrix.
These paints are called copolymer paints and under slightly alkaline conditions (such as sea water), the Bis(tri-n-butyltin)oxide ion is released by chemical hydrolysis.
Because the paint surface is softened by the loss of the Bis(tri-n-butyltin)oxide moiety, the outer layer is exposed.

A third category, Bis(tri-n-butyltin)oxide ablative paints, have characteristics of both groups.
The Bis(tri-n-butyltin)oxide active ingredient is mixed into the paint matrix, but because these are relatively soft paints, the surface ablates or sloughs off as the painted vessel moves through the water.

The use of Bis(tri-n-butyltin)oxide compounds in antifoulants are restricted because of their toxicity to aquatic organisms and EPA is cooperating in international efforts for a global phase-out.

Pharmacology and Biochemistry of Bis(Tri-N-Butyltin)Oxide:

MeSH Pharmacological Classification of Bis(Tri-N-Butyltin)Oxide:

Disinfectants of Bis(Tri-N-Butyltin)Oxide:
Bis(tri-n-butyltin)oxide is used on inanimate objects that destroy harmful microorganisms or inhibit their activity.
Disinfectants are classed as complete, destroying spores as well as vegetative forms of microorganisms, or incomplete, destroying only vegetative forms of the organisms.
They are distinguished from antiseptics which are local anti-infective agents used on humans and other animals.

Fungicides, Industrial of Bis(Tri-N-Butyltin)Oxide:
Chemicals that kill or inhibit the growth of fungi in agricultural applications, on wood, plastics, or other materials, in swimming pools, etc.

Immunosuppressive Agents of Bis(Tri-N-Butyltin)Oxide:
Agents that suppress immune function by one of several mechanisms of action.
Classical cytotoxic immunosuppressants act by inhibiting dna synthesis.

Others may act through activation of t-cells or by inhibiting the activation of helper cells.
While immunosuppression has been brought about in the past primarily to prevent rejection of transplanted organs, new applications involving mediation of the effects of interleukins and other cytokines are emerging.

Absorption, Distribution and Excretion of Bis(Tri-N-Butyltin)Oxide:
Bis(tri-n-butyltin)oxide is absorbed from the gut (20-50%, depending on the vehicle) & via the skin of mammals (approx 10%).
Other data suggest absorption in the 1-5% range via the skin.
Bis(tri-n-butyltin)oxide can be transferred across the blood-brain barrier & from the placenta to the fetus.

Absorbed material is rapidly & widely distributed among tissues (principally the liver and kidney).
The rate of Bis(tri-n-butyltin)oxide loss differs with different tissues.
Bis(tri-n-butyltin)oxide & its metabolites are eliminated principally via the bile.

Handling and Storage of Bis(Tri-N-Butyltin)Oxide:

Handling:
Avoid all contact.
Do not breathe vapors, mists, or aerosols.

Use only in closed systems or well-ventilated fume hoods.
Prevent release to the environment—this substance is very toxic to aquatic life.

Wear appropriate PPE.
Avoid contact with incompatible materials (strong oxidizers, strong acids/bases).
Restrict access to trained personnel; pregnant or breastfeeding personnel should avoid exposure (organotin compounds may cause reproductive harm).

Storage:
Store in tightly closed, chemically compatible containers (amber/glass or lined metal) in a cool, dry, well-ventilated area.
Protect from heat, sunlight, and moisture.

Segregate from food/feed, oxidizers, acids, and bases.
Keep secondary containment to capture leaks; keep locked and clearly labeled.

Stability and Reactivity of Bis(Tri-N-Butyltin)Oxide:

Stability:
Stable under recommended storage; slowly hydrolyzes in the presence of moisture.

Reactivity:
Reacts with strong oxidizing agents; prolonged contact with strong acids/alkalis can lead to decomposition/hydrolysis forming toxic organotin species.

Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, smoke; tin oxides and volatile organotin fragments (e.g., butyl species).

Incompatibilities:
Strong oxidizers, strong acids/alkalis; avoid contact with anionic surfactants that may change bioavailability.

First Aid Measures of Bis(Tri-N-Butyltin)Oxide:

Inhalation:
Move victim to fresh air.
Keep at rest, warm.

If symptoms (cough, dizziness, respiratory irritation) persist, get medical attention.
If not breathing, give artificial respiration; if breathing is difficult, administer oxygen by trained personnel.

Skin Contact:
Immediately remove contaminated clothing and shoes.
Rinse skin with plenty of water for at least 15 minutes and wash with mild soap.

Get medical advice if irritation or systemic symptoms occur.
Launder before reuse; discard heavily contaminated leather items.

Eye Contact:
Rinse cautiously with water for at least 15 minutes, lifting upper and lower lids.
Remove contact lenses if easy.
Seek prompt medical attention.

Ingestion:
Do not induce vomiting.
Rinse mouth with water.

Give small amounts of water if conscious.
Call a POISON CENTER/physician immediately.
Never give anything by mouth to an unconscious person. (Activated charcoal only by medical personnel.)

Firefighting Measures of Bis(Tri-N-Butyltin)Oxide:

Extinguishing Media:
Alcohol-resistant foam, dry chemical, or carbon dioxide; use water spray/fog to cool containers and knock down vapors (do not use high-pressure water jets).

Specific Hazards:
Combustible; vapors may form flammable mixtures with air when heated.
Thermal decomposition releases toxic fumes (tin oxides, organotin vapors) and dense smoke.
Runoff may be highly toxic to aquatic organisms.

Protective Equipment:
Firefighters wear self-contained breathing apparatus (SCBA) and full chemical protective gear.
Contain contaminated runoff; avoid discharge to drains/waterways.

Accidental Release Measures of Bis(Tri-N-Butyltin)Oxide:

Personal Precautions:
Evacuate area; eliminate ignition sources.
Provide ventilation.
Wear full PPE (chemical-resistant gloves, goggles/face shield, protective clothing; respirator if airborne levels may be significant).

Environmental Precautions:
Prevent entry to sewers, soil, and waterways.
Notify authorities if the product has caused environmental pollution.

Spill Cleanup:
Stop leak if safe.
Dike to contain.

Absorb with inert material (vermiculite, dry sand, diatomaceous earth).
Collect using non-sparking tools into labeled, sealable containers for disposal as hazardous waste.

Decontaminate area with suitable detergent solution; collect washings for disposal.
For large spills, use trained hazmat teams and consider SCBA.

Exposure Controls / Personal Protective Equipment of Bis(Tri-N-Butyltin)Oxide:

Engineering Controls:
Use closed transfer systems, local exhaust ventilation, and process enclosures to keep airborne levels as low as reasonably achievable.
Provide eyewash stations and safety showers near work area.

Respiratory Protection:
If engineering controls are inadequate or during spills/maintenance, use an appropriate NIOSH-approved respirator—e.g., full-facepiece with organic vapor/P100 cartridges; for high concentrations or unknown levels, use positive-pressure SCBA.

Hand Protection:
Wear chemical-resistant gloves with proven resistance to organotins (e.g., butyl rubber, Viton®, laminated film/SilverShield®).
Change gloves regularly; double-glove for prolonged tasks.

Eye/Face Protection:
Chemical splash goggles; add face shield for splash risk.

Skin/Body Protection:
Lab coat or chemical-resistant coveralls; antistatic, chemical-resistant footwear.

Hygiene Measures:
No eating, drinking, or smoking in handling areas.
Wash hands/forearms/face after use.

Remove contaminated clothing/PPE before breaks; launder separately.
Implement environmental/medical surveillance where required.

Identifiers of Bis(Tri-N-Butyltin)Oxide:
CAS Number: 56-35-9
ChEBI: CHEBI:81543
ChEMBL: ChEMBL511667
ChemSpider: 10218152
ECHA InfoCard: 100.000.244
EC Number: 200-268-0
KEGG: C18149
PubChem CID: 16682746
RTECS number: JN8750000
UNII: 3353Q84MKM
UN number: 2788 3020 2902
CompTox Dashboard (EPA): DTXSID9020166
InChI: InChI=1S/6C4H9.O.2Sn/c6*1-3-4-2;;;/h6*1,3-4H2,2H3;;;
Key: APQHKWPGGHMYKJ-UHFFFAOYSA-N
InChI=1/6C4H9.O.2Sn/c6*1-3-4-2;;;/h6*1,3-4H2,2H3;;;/rC24H54OSn2/c1-7-13-19-26(20-14-8-2,21-15-9-3)25-27(22-16-10-4,23-17-11-5)24-18-12-6/h7-24H2,1-6H3
Key: APQHKWPGGHMYKJ-XAMPVVILAF
SMILES: CCCC[Sn](CCCC)(CCCC)O[Sn](CCCC)(CCCC)CCCC

Linear Formula: (CH3CH2CH2CH2)3SnOSn(CH2CH2CH2CH3)3
CAS Number: 56-35-9
Molecular Weight: 596.10
Beilstein: 745057
EC Number: 200-268-0
MDL number: MFCD00009418
PubChem Substance ID: 24891834
NACRES: NA.22

Substance name: Bis(tri-n-butyltin)oxide
EC number: 200-268-0
CAS number: 56-35-9

Formula: C₂₄H₅₄OSn₂
MW: 596,11 g/mol
Boiling Pt: 475 °C (1013 hPa)
Density: 1,17 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00009418
CAS Number: 56-35-9
EINECS: 200-268-0
UN: 2788
ADR: 6.1,III

Properties of Bis(Tri-N-Butyltin)Oxide:
Chemical formula: C24H54OSn2
Molar mass: 596.112
Appearance: colorless oil
Density: 1.17 g/mL at 25 °C (lit.)
Melting point: −45 °C (−49 °F; 228 K)
Boiling point: 180 °C (356 °F; 453 K) at 2 mm Hg
Solubility in water: 20 mg/L
Solubility: Hydrocarbons, alcohols, ethers, THF
log P: 5.02

Vapor pressure: <0.01 mmHg ( 25 °C)
Quality Level: 200
Assay: 96%
Form: liquid
Refractive index: n20/D 1.486 (lit.)
bp: 180 °C/2 mmHg (lit.)
Density: 1.17 g/mL at 25 °C (lit.)
SMILES string: CCCC[Sn](CCCC)(CCCC)O[Sn](CCCC)(CCCC)CCCC
InChI: 1S/6C4H9.O.2Sn/c6*1-3-4-2;;;/h6*1,3-4H2,2H3;;;
InChI key: APQHKWPGGHMYKJ-UHFFFAOYSA-N

Molecular Weight: 596.1
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 1
Rotatable Bond Count: 20
Exact Mass: 596.22128
Monoisotopic Mass: 598.22187
Topological Polar Surface Area: 9.2 Å²
Heavy Atom Count: 27
Complexity: 246
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes

Names of Bis(Tri-N-Butyltin)Oxide:

Preferred IUPAC name:
Hexabutyldistannoxane

Other names:
Bis(tributyltin) oxide
tri-n-butyltin oxide
bis(tri-n-butyltin)oxide
AW 75-D
Bio-Met TBTO
Biomet
Biomet 75
BTO
Butinox, C-SN-9