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2273-43-0

Basic Information
CAS No.: 2273-43-0
Name: Butyltin oxide
Article Data: 5
Molecular Structure:
Molecular Structure of 2273-43-0 (Butyltin oxide)
Formula: C4H10O2Sn
Molecular Weight: 208.832
Synonyms: 1-Butanestannonicacid (6CI);Butanestannonic acid (7CI);Butyl(oxo)stannanol;Butylhydroxytinoxide;Butylstannoic acid;Butylstannonic acid;Butyltin hydroxide oxide;Fascat 4100;NSC 179724;NSC 96391;n-Butyltin hydroxide oxide;n-Butyltinoxide hydroxide;Monobutyltin Oxide(MBTO);Hydrated Monobutyltin Oxide;Butylhydroxyoxo-stannane;
EINECS: 218-880-1
Density: 1.46 g/cm3
Boiling Point: 350 °C
Solubility: 317-3200μg/L at 20℃
Appearance: White powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 37/39-26
PSA: 37.30000
LogP: 0.69750
Synthetic route
1336-21-6

ammonium hydroxide

1118-46-3

Trichlorbutylstannan

497-19-8

sodium carbonate

2273-43-0

n-butylstannoic acid

Conditions
ConditionsYield
In water at 60℃; for 2.5h; Temperature;99.4%
1118-46-3

Trichlorbutylstannan

1310-73-2

sodium hydroxide

2273-43-0

n-butylstannoic acid

Conditions
ConditionsYield
With chitosan modified imidazoline amphoteric surfactant; quaternized polyvinyl alcohol In octanol at 90℃; for 4h; Reagent/catalyst;62%
2273-43-0

n-butylstannoic acid

122-59-8

2-phenoxyacetic acid

929680-99-9

[(C4H9Sn(O2CCH2OC6H5)O)6]

Conditions
ConditionsYield
In benzene refluxed for 12 h (equimol., Dean-Stark); cooled, filtered, evapd. to dryness;99%

(C60C(C(O)OCH2C6H3(OC16H33)2)C(O)OCH2C(O)OCH2)2C6H3OCH2CO2H

2273-43-0

n-butylstannoic acid

[SnO(C4H9)((C60C(C(O)OCH2C6H3(OC16H33)2)C(O)OCH2C(O)OCH2)2C6H3OCH2CO2)]6

Conditions
ConditionsYield
In benzene refluxed for 12 h (equimol., Dean-Stark); cooled, filtered, evapd. to dryness;99%
929680-97-7

C60C(C(O)OCH2C6H3(OC16H33)2)C(O)OCH2CO2H

2273-43-0

n-butylstannoic acid

Sn6O6(12+)*6C4H9(1-)*6C60C(C(O)OCH2C6H3(OC16H33)2)C(O)OCH2CO2(1-)=[SnO(C4H9)(C104H73O8)]6

Conditions
ConditionsYield
In benzene refluxed for 12 h (equimol., Dean-Stark); cooled, filtered, evapd. to dryness;99%

C60(C(C(O)OCH2C6H3(OC16H33)2)C(O)OCH2)2C6H3OCH2CO2H

2273-43-0

n-butylstannoic acid

Sn6O6(12+)*6C4H9(1-)*6C60(C(C(O)OCH2C6H3(OC16H33)2)C(O)OCH2)2C6H3OCH2CO2(1-)=[SnO(C4H9)(C154H151O15)]6

Conditions
ConditionsYield
In benzene refluxed for 12 h (equimol., Dean-Stark); cooled, filtered, evapd. to dryness;99%
552-16-9

ortho-nitrobenzoic acid

2273-43-0

n-butylstannoic acid

n-butyloxotin o-nitrobenzoate hexamer * 3C6H6

Conditions
ConditionsYield
With C6H6 In dichloromethane; benzene byproducts: H2O; addn. of Sn-acid to a stirred soln. of CH2Cl2 and benzene, addn. of benzoic acid, reflux for 18 h, removal of H2O azeotropically, cream-white cloidy suspn., standing for 24 h; filtration of white powder, washing with benzene, standing gives larger crystals, drying; elem. anal.;98%
98-91-9

thiobenzoic acid

2273-43-0

n-butylstannoic acid

869111-73-9

[(butyl)Sn(O)(thiobenzoate)]2

Conditions
ConditionsYield
In benzene soln. of thiobenzoic acid added to suspn. of Sn compd. at 28 °C, stirred for 2 h; solvent evapd. under reduced pressure, dried at 0.05 Torr and 28 °C, recrystd. by slow cooling of hot acetone soln.; elem. anal.;98%
609-54-1

2,5-dimethylbenzenesulfonic acid

2273-43-0

n-butylstannoic acid

[(n-BuSn)12(μ3-O)14(μ2-OH)6][2,5-Me2C6H3(SO3)2]2

Conditions
ConditionsYield
In toluene mixt. of Sn compd. and aq. soln. of sulfonic acid (16.10:5.37 molar ratio) refluxed in toluene for 72 h (Dean-Stark apparatus); filtered, evapd., elem. anal.;96%
838-85-7

diphenyl hydrogen phosphate

2273-43-0

n-butylstannoic acid

115270-33-2

{(C4H9Sn(OH)O2P(OC6H5)2)3O}(1+)*{O2P(OC6H5)2}(1-)={(C4H9Sn(OH)O2P(OC6H5)2)3O}{O2P(OC6H5)2}

Conditions
ConditionsYield
In benzene soln. of diphenyl phosphate and n-butylstannoic acid in benzene (standing at 25°C, 48 h), removal of solvent (<20°C), addn. of diethyl ether, standing (25°C, 48 h), filtration from insol. material; removal of solvent (20°C); no successful purifn. from traces of water and other impurities, purity about 96 %;95%
Downstream Products
1461-25-2
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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

OSHA PEL: TWA 0.1 mg(Sn)/m3 (skin)
ACGIH TLV: TWA 0.1 mg(Sn)/m3; STEL 0.2 mg(Sn)/m3 (skin).
NIOSH REL: (Organotin Compounds) TWA 0.1 mg(Sn)/m3

Analytical Methods

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.

Specification

The n-Butyltin hydroxide oxide with the cas number 2273-43-0, is also called (1) 1-Butanestannonic acid ; (2) Butylhydroxytin oxide ; (3) Butylstannoic acid ; (4) Butylstannonic acid ; (5) Butyltin hydroxide oxide ; (6) Mono-N-butyltin oxide ; (7) Systematic Name ; (8) Butylhydroxyoxostannane ; (9) Stannane, butylhydroxyoxo- and so on. n-Butyltin hydroxide oxide belongs to the following product categories: (1)Alkyl Metals; (2)Classes of Metal Compounds; (3)Grignard Reagents & Alkyl Metals; (4)Sn (Tin) Compounds; (5)Synthetic Organic Chemistry; (6)Typical Metal Compounds.

When you are using this chemical, please be cautious about it as the following:
Firstly, n-Butyltin hydroxide is irritating not only to eyes, respiratory system but also is irritating to skin. Hence, when using it, please wear suitable gloves and eye/face protection to prevent you from such harm. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Solid-state reaction assisted by microwave between equimolar quantities of sterically encumbered 3,5-di-tert-butylsalicylic acid (H-2-DTBSA) and n-Butyltin hydroxide oxide results in the formation of hexameric drum shaped stannoxane [(BuSn)-Bu-n(O)(H-DTBSA)].

You can still convert the following datas into molecular structure :
1. SMILES: O=[Sn](O)CCCC
2. InChI: InChI=1/C4H9.H2O.O.Sn/c1-3-4-2;;;/h1,3-4H2,2H3;1H2;;/q;;;+1/p-1/rC4H10O2Sn/c1-2-3-4-7(5)6/h5H,2-4H2,1H3

n-Butyltin hydroxide oxide toxic data can be showed in the following sheet.

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 180mg/kg (180mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#03474,