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S. Hirzel , Stuttgart
Tributyltin oxide -- Toxicology., Tributyltin oxide -- Environmental asp
|Statement||edited by the GDCh-Advisory Committee on Existing Chemicals of Environmental Relevance (Beratergremium für Umweltrelevante Altstoffe (BUA)) ; [translated by P. Arend].|
|Series||BUA report,, 36, BUA-Stoffbericht., 36.|
|Contributions||Gesellschaft Deutscher Chemiker. Beratergremium für Umweltrelevante Altstoffe.|
|LC Classifications||RA1242.T645 T75 1994|
|The Physical Object|
|Pagination||xiv, 82 p. ;|
|LC Control Number||94185798|
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TBT is commonly introduced into coatings as tributyltin oxide, tributyltin fluoride, or as a part of an acrylic copolymer that has hydrolyzable tributyltin side chains. All three mechanisms are used to make effective antifouling coatings.
Many other organotins (triphenyltin, tributyltin acetate, tributyltin fluoride, and others) have also been. Additional Physical Format: Online version: Tributyltin oxide.
Geneva: World Health Organization, (OCoLC) Material Type: Government publication. Tributyltin oxide, or, more formally, bis(tributyltin) 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. Tributyltin oxide is extremely hazardous to some aquatic organisms at very low concentrations.
As a result, government restrictions have decreased the global use of tributyltin compounds in antifouling paints on small boats. The compound has been detected in water, sediment, and biota in areas close to pleasure boating activity, in treated.
Physical Properties: Value: Reference: Molecular Weight (g/mol) TR: Solubility @ degC (mg/L) TR: Vapor pressure @ degC (mmHG) e The excretion route of tributyltin is mainly the bile rather than the urine. An initial rapid elimination of tributyltin oxide injected intraperitoneally to mice has been shown with a slow phase in the feces (Brown et al., ).
Thus, approximately 90–96% of ingested tributyltin. Tributyltin oxide 1 FOREWORD Concise International Chemical Assessment Documents (CICADs) are the latest in a family of publications from the International Programme on Chemical Safety (IPCS) — a cooperative programme of the World Health Organization (WHO), the International Labour Organisation (ILO), and the United Nations Environment Programme (UNEP).File Size: KB.
GC/MS for the Analysis of Tributyltin Oxide Number 57 J. Brandau Newport News Shipbuilding, Newport News, Virginia Key Words: TBTO, CI, Environmental, Saturn Introduction Tributyltin Oxide (TBTO) is the active agent in a class of antifoulant marine coatings used on commercial and military ocean vessels.
The. /Tributyltin oxide/ bioaccumulates in organisms, with the highest concentrations found in liver and kidney. Uptake from food is more important than uptake directly from water.
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/In humans tributyltin oxide/ is a severe dermal and respiratory irritant. Tributyltin is a member of the aromatic hydrocarbon chemical family.
It is a colorless liquid with an odor similar to gasoline. The molecular weight of TBT is One of its metabolites, bis-(tri-n-butyltin) oxide (TBTO) is a slightly yellow, combustible liquid.
Exposure Guidelines. Symbol which looks like a small house Solid circle with an upward pointer in it. Jump to content. Tributyltin oxide (TBTO) is an organotin compound chiefly used as a biocide (fungicide and molluscicide), especially a wood chemical formula is [(C 4 H 9) 3 Sn] 2 O.
It is a colorless viscous liquid.
Description Tributyltin oxide PDF
It is poorly soluble in water (20 ppm) but highly Boiling point: °C ( °F; K) at 2 mm Hg. Bis(tributyltin) oxide 96% Synonym: Bis[tri-n-butyltin(IV)]oxide, HBD, Hexabutyldistannoxane, TBTO, Tributyltin(IV) oxide CAS Number Linear Formula (CH 3 CH 2 CH 2 CH 2) 3 SnOSn(CH 2 CH 2 CH 2 CH 3) 3.
Molecular Weight Beilstein/REAXYS Number EC Number MDL number MFCD Tributyltin | C12H27Sn | CID - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety.
Reported here is a highly efficient procedure for the palladium-catalyzed hydrostannation of ethyl ethynyl ether using % palladium(0) catalyst and equiv of tributyltin hydride.
Tributyltin (TBT) is an umbrella term for a class of organotin compounds which contain the (C 4 H 9) 3 Sn group, with a prominent example being tributyltin oxide. For 40 years TBT was used as a biocide in anti-fouling paint, commonly known as bottom paint, applied to the hulls of ocean going paint improves ship performance and durability as it reduces the rate of biofouling (the.
Pesticide properties for tributyltin oxide, including approvals, environmental fate, eco-toxicity and human health issues. PubMed:Toxic effects of bis (tributyltin) oxide on the synthesis and secretion of zymogen granules in the rat exocrine pancreas.
PubMed: Synthetic studies of erythromycin derivatives. Synthesis and antimicrobial activities of 3''-EPI-erythromycin A and (9S)dehydroxydeoxohydroxy oxoerythromycin A.
Tributyltin was mainly found in areas of heavy boating or shipping traffic, which was consistent with its use as an antifouling agent.
In 8% of the locations across Canada at which samples were collected, TBT was found in water at concentrations that could cause chronic toxicity in a Cited by: 2. The current Proposition 65 list is dated Janu Current Proposition 65 List. The current Proposition 65 list is available on-line below, as a pdf or Excel download or through Excel document also includes the listing mechanism for each chemical listing and the safe harbor level, if one has been g: Tributyltin oxide.
Sigma-Aldrich offers a number of Bis(tributyltin) oxide products. View information & documentation regarding Bis(tributyltin) oxide, including CAS, MSDS & more.
The main goal of this study was to assess the potential of the mouse thymoma EL-4 cell line in screening for chemical induced immunotoxicity. Therefore, EL-4 cells were exposed to two well-known immunotoxicants, organotin compound tributyltin oxide (TBTO, and 1 μM for 3 or 6 h) and the mycotoxin deoxynivalenol (DON,and 1 μM for 3, 6 or 11 h).Cited by: 3.
A Comparison of the Effectiveness of Tri-N-Butyltin Chloride and Five other Organotin Compounds in Promoting the Development of Imposex in the Dog-Whelk, Nucella Lapillus - Volume 68 Issue 4 - G. Bryan, P. Gibbs, G. BurtCited by: Introduction Tributyltin (TBT), (C4H9)3Sn, is a chemical used mostly in biocides in the form of other compounds like tributyltin hydride, (C4H9)3SnH, and tributyltin oxide, C24H54OSn2, due to the fact that TBT by itself is unstable and will break down unless combined.
Chemsrc provides Tributyltin oxide(CAS#) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Tributyltin oxide are included as well. Tributyltin chloride is an organotin compound with the formula (C 4 H 9) 3 SnCl.
It is a colorless liquid that is soluble in organic solvents. The molecule has tetrahedral geometry. Preparation and reactions. The compound is prepared by a redistribution reaction by combining stannic chloride and tetrabutyltin. 3 (C 4 H 9) 4 Sn + SnCl 4 → 4 (C 4 H 9) 3 SnCl Chemical formula: C₁₂H₂₇ClSn.
Tributyltin hydride is an organotin compound with the formula (C 4 H 9) 3 SnH. It is a colorless liquid that is soluble in organic solvents. The compound is used as a source of hydrogen atoms in organic synthesisBeilstein Reference: The culprit turned out to be tributyltin or TBT – a group of compounds that consist of between one and four organic components attached to a tin atom via carbon–tin covalent bonds.
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On its own, TBT. Abbreviation for tributyltin oxide. Cite this entry as: () TBTO. In: Gooch J.W. (eds) Encyclopedic Dictionary of Polymers. Bis(tributyltin) oxide EC Number: EC Name: Bis(tributyltin) oxide CAS Number: Molecular formula: C24H54OSn2 IUPAC Name: tributyl[(tributylstannyl)oxy]stannane.
Registrants / Suppliers Details open all close all. Registrants / Suppliers - Active. Registrant / Supplier Registered. This publication evaluates the risk to human health and the environment posed by the various uses of tributyltin compounds.
There are 14 chapters, which deal with: identity, physical and chemical properties, analytical methods, sources of environmental exposure, environmental transport and transformation, environmental concentrations, kinetics and metabolism.Rhodotorula ferulica, a yeast able to utilize phenolic compounds, was chosen for evaluating the effects of tributyltin oxide (TBTO) on this reduced respiratory capacity when vanillic or benzoic acid was the energy source.
The ATP level of the cells was severely affected by 2 μM TBTO.PHYSICO-CHEMICAL PROPERTIES Origin of the substance Synthetic. Chemical structure Tributyltin benzoate: C 19 H1 32 O 2 Sn Tributyltin chloride: C 12 H 27 ClSn Tributyltin fluoride: C 12 H 27 FSn Tributyltin linoleate: C 30 H 58 O 2 Sn Tributyltin methacrylate: C 16 H 32 O 2 Sn Tributyltin oxide: C 24 H 54 OSn 2 Physical properties 3.
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