Tributyltin oxide (Ref: ENT 24979) |
![]() Last updated: 01/06/2018 |
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(Also known as: TBT; bis(tributylstannyl)oxide ; bis(tributyltin)oxide) |
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Used mainly as an antifouling agent for use in marine applications or industrial sites | |
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Barnacles; Bacteria; Tubeworms; Mussels; Algae | |
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Paints; Industrial water systems; Packaging surfaces | |
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Obsolete | |
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UK regulatory status |
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Not approved | ||
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Not applicable | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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C₂₄H₅₄OSn₂ | |
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CCCC[Sn](CCCC)(CCCC)O[Sn](CCCC)(CCCC)CCCC | |
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No data | |
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APQHKWPGGHMYKJ-UHFFFAOYSA-N | |
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InChI=1S/6C4H9.O.2Sn/c6*1-3-4-2;;;/h6*1,3-4H2,2H3;;; | |
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Yes |
General status |
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Fungicide, Molluscicide, Biocide, Other substance | |
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Antifouling agent, Wood preservative | |
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Organometal | |
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Synthetic | |
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Broad spectrum, non-systemic, phytotoxic; A metabolic inhibitor with contact and stomach action. | |
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56-35-9 | |
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200-268-0 | |
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083001 | |
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16682746 | |
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596.15 | |
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hexabutyldistannoxane | |
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bis(tributyltin) oxide | |
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hexabutyldistannoxane | |
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WFD priority substance; Marine pollutant; Chemical subject to PIC regulations; PAN listed Highly Hazardous Chemical | |
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EU Directive 2008/105/EC EQS surface waters: annual average 0.0002 µg l⁻¹; max measured 0.0015 µg l⁻¹ UK statutory standard for the protection of surface water quality: annual average 0.0002 µg l⁻¹; max measured 0.0015 µg l⁻¹ |
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Not applicable | |
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Not applicable | |
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Not applicable | |
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Not known | |
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Pale yellow liquid |
Formulations |
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100 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) at 25 °C4 = Verified data |
Moderate | ||||||||
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Miscible | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Acetone4 = Verified data |
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Miscible | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Methanol4 = Verified data |
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Miscible | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Ethyl acetate4 = Verified data |
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53 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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180 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
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1.55 X 1003 | Calculated | - | |||||||
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3.19 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 3 = Unverified data of known source |
High | ||||||||
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1.17 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 3 = Unverified data of known source |
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0.000001 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
Low volatility | ||||||||
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Degradation |
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Soil adsorption and mobility |
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Fate indices |
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7000 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) (Wide range of values reported between 4.5 and 7000)4 = Verified data |
High potential | |||||||
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Not available | - | |||||||||
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55 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Mouse4 = Verified data |
High | ||||||||
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0.0076 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Lepomis macrochirus4 = Verified data |
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0.0014 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Daphnia magna4 = Verified data |
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0.000016 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Scenedesmus quadricauda4 = Verified data |
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1.0 | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
Moderate | |||||||
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2.5 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Eisenia andrei4 = Verified data |
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General |
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High (class III) | - | - | ||||||||
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55 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Mouse4 = Verified data |
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11700 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
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Intravenous LD₅₀ = 6.0 mg kg⁻¹ | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Mouse4 = Verified data |
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Intraperitoneal LD₅₀ = 7.2 mg kg⁻¹ | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
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[TLV (as tin): 0.1 mg/m3 A4, STEL 0.2 mg/m3 A4 (skin) (ACGIH)] | - | - | ||||||||
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PPE/PPC required - absorbed through the skin | ||||||||||
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Health issues |
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Highly toxic Absorbed through the skin Inhalation may interfere with breathing and cause headache, weakness, tremors and incoordination |
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Mild oxidising agent Not explosive Combustible IMDG Transport Code is usually 6.1 May emit toxic fumes when heated |
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Health: H301, H372, H312, H315, H319 Environment: H400, H410 |
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T - Toxic: R48/23/25 Xn - Harmful: R21 Xi - Irritant: R36/38 N - Dangerous for the environment: R50/53 |
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Ib (Highly hazardous / Highly hazardous) | |||
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3020 | |||
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Packaging Group II (medium danger) |
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tributyltin oxide | ||
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Bis(tri-n-butylzinn)-oxyd | ||
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Record last updated: | 01/06/2018 |
Contact: | aeru@herts.ac.uk |
Please cite as: | Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |