| Agent Name |
bis(Tri-n-butyltin)oxide |
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| CAS Number |
56-35-9 |
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| Formula |
C24-H54-O-Sn2 |
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| Major Category |
Pesticides |
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| Synonyms |
Tributyltin oxide; TBTO; Hexabutyldistannoxane; Bis(tributyltin)oxide; Bis(tri-normal-butyltin) oxide; BioMeT TBTO; Bis(tributyloxide) of tin; Bis(tributylstannyl) oxide; BTO; Butinox; C-SN-9; Hexabutylditin; L.S.3394; Oxybis(tributyltin); Tri-n-butylstannane oxide; Hexabutlydistannoxane; Tributyltintrioxide; Interlux Micron; Interswift BKA007; Super Sea Jacket; Sigmaplane 7284; Navicote 2000; AF-SeafloZ-100; HBD; AW 75-D; BioMeT; BioMeT 75; Bis(tri-n-tributyltin)oxide; [ChemFinder] |
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| Category |
Fungicides |
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| Description |
Yellow liquid; [HSDB] |
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| Sources/Uses |
Used as fungicides to control blight on field crops and orchards; [EPA Pesticides] Used as a biocide and in antifouling paints; [HSDB] |
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| Comments |
Classified as "moderately toxic," some formulations are for "Restricted Use." [EXTOXNET] Occupational asthma reported in venipuncture technician (phlebotomist) using needles treated with bis(tri-n-butyltin)oxide; [Malo] Tributyltin oxide is a skin irritant. [Kanerva, p. 1174-5] |
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| Restricted |
The use of tributyltin compounds are severely restricted by the EPA; regulated under the Organotin Antifouling Paint Control Act of 1988; |
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| Reference Link |
EXTOXNET PIP - TRIBUTYLTIN (TBT) |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
Not evaluated |
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| MAK |
0.0021 ppm |
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| Explanatory Notes |
bp = 180 deg C at 2 mmHg; [HSDB] |
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| Reference Link |
Recurrent irritant contact dermatitis due to tributyltin oxide on work clothes |
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| Adverse Effects |
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| Asthma |
Yes |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: BIS(TRIBUTYLTIN) OXIDE
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