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Cas Database

Name	Tetraoctyltin	EINECS	222-733-7
CAS No.	3590-84-9	Density	0,98 g/cm³
PSA	0.00000	LogP	12.87720
Solubility	N/A	Melting Point	N/A
Formula	C32H68 Sn	Boiling Point	549.4 ºCat 760 mmHg
Molecular Weight	571.602	Flash Point	282 ºC
Transport Information	N/A	Appearance	N/A
Safety	Low toxicity by parenteral route. When heated to decomposition it emits toxic vapors of Sn.	Risk Codes	36/37
Molecular Structure		Hazard Symbols	N/A
Synonyms	Tin,tetraoctyl- (6CI,7CI); NSC 65527; Tetra-n-octylstannane; Tetra-n-octyltin;Tetraoctylstannane; Tetraoctyltin	Article Data	28

Tetraoctyltin Synthetic route

: 111-85-3
1-Chlorooctane

: 7646-78-8
tin(IV) chloride

: 3590-84-9
tetraoctyltin

Conditions

Conditions	Yield
With magnesium In diethyl ether; toluene at 50 - 65℃; Solvent; Inert atmosphere; Flow reactor;	98.5%
With sodium In Petroleum ether 13 h;	65-80
With Na In petroleum ether 13 h;	65-80

: 111-85-3
1-Chlorooctane

: 3542-36-7
di-n-octyltin dichloride

: 3590-84-9
tetraoctyltin

Conditions

Conditions	Yield
With Na	98%
With sodium	98%

: 7646-78-8
tin(IV) chloride

: 1070-00-4
trioctylaluminum

: 3590-84-9
tetraoctyltin

Conditions

Conditions	Yield
In dibutyl ether 70°C;	98%
In dibutyl ether 70°C;	98%
In dibutyl ether 70°C;	98%

: 7646-78-8
tin(IV) chloride

: 24219-37-2
di-n-octylmagnesium

: 3590-84-9
tetraoctyltin

Conditions

Conditions	Yield
In tetrahydrofuran; n-heptane a soln. of SnCl4 (18 mmol) in heptane was added dropwise within 10 min to a soln. of (C8H17)2Mg (44 mmol) in THF with stirring (pptn.); the mixt. was refluxed for 3 1/3 h, then treated with H2O and 10% HCl;; the org. layer was separated and dried with CaCl2, the solvents were distilled off in vac., the residue was istilled in high vac.; 99.1% purity (asdetermined by gas chromy.); identified by mass spectrometry; elem. anal.;;	95%

Yield

In tetrahydrofuran; n-heptane a soln. of SnCl4 (18 mmol) in heptane was added dropwise within 10 min to a soln. of (C8H17)2Mg (44 mmol) in THF with stirring (pptn.); the mixt. was refluxed for 3 1/3 h, then treated with H2O and 10% HCl;; the org. layer was separated and dried with CaCl2, the solvents were distilled off in vac., the residue was istilled in high vac.; 99.1% purity (asdetermined by gas chromy.); identified by mass spectrometry; elem. anal.;;

95%

: 17049-49-9
octylmagnesium bromide

: 7646-78-8
tin(IV) chloride

: 3590-84-9
tetraoctyltin

Conditions

Conditions	Yield
In toluene	90%
In n-heptane	87.93%
In n-heptane	87.93%
In diethyl ether 130-140°C, 10 h;	59%

: 2787-93-1
bis(trioctylstannyl) oxide

A: 3590-84-9
tetraoctyltin

B: 21227-24-7
hexaoctyldistannane

Conditions

Conditions	Yield
With magnesium In tetrahydrofuran a soln. of ditin oxide in dry THF was added dropwise to a suspn. of a magnesium powder, activated by BrCH2CH2Br or I2, in dry THF, mixt. was heated at reflux for 15 h; petroleum ether was added, filtered, solvents evapd., residue was distilled;	A 0% B 82%
With sodium In neat (no solvent) stoich. amt. of sodium (2 mol for 1 mol of ditin oxide), 120°C, 48 h; unreacted n-Oct6Sn2O was removed by filtration in pentane through a short SiO2 column, n-Oct4Sn was removed by distn.;	A 1-5 B 68%

: 7646-78-8
tin(IV) chloride

: 38841-98-4
n-octylmagnesium chloride

: 3590-84-9
tetraoctyltin

Conditions

Conditions	Yield
	64.9%
	64.9%

Tetraoctyltin Chemical Properties

IUPAC Name: Tetraoctylstannane
The MF of Tetraoctyltin (CAS NO.3590-84-9) is C₃₂H₆₈Sn.

The MW of Tetraoctyltin (CAS NO.3590-84-9) is 571.59.
Synonyms of Tetraoctyltin (CAS NO.3590-84-9): stannane, tetraoctyl- ; Tetra-n-octylstannane ; Tetra-n-octyltin ; Tetraoctylstannan
Refraction Index: 1.4677
EINECS: 222-733-7
Flash Point: 282 °C
Boiling Point: 549.4 °C
Density: 0,98 g/ml

Tetraoctyltin Uses

Tetraoctyltin (CAS NO.3590-84-9) is mainly used in the production of PVC heat stabilizers.

Tetraoctyltin Toxicity Data With Reference

par-mus LDLo:34 g/kg

COREAF Comptes Rendus Hebdomadaires des Seances de l’Academie des Sciences. 239 (1954),1091.

Tetraoctyltin Consensus Reports

Reported in EPA TSCA Inventory.

Tetraoctyltin Safety Profile

Low toxicity by parenteral route. When heated to decomposition it emits toxic vapors of Sn.Safety information of Tetraoctyltin (CAS NO.3590-84-9):
Risk Statements
36/37 Irritating to eyes and respiratory system
Safety Statements
24 Avoid contact with skin
TSCA Yes

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