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Tetrabutyltin

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Origin: China

Cas No: 1461-25-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 1461-25-2 Formula: C16H36Sn Molecular Weight: 347.15800

Description

Tetrabutyltin (also tetra-n-butyltin and tetra-n-butylstannane) is a stable organotin compound and combustible, colourless liquid at room temperature. It is incompatible with strong oxidizing agents. It has the molecular formula C16H36Sn. Sometimes the abbreviation SnBu4 and TTBT are used.
Tetrabutyltin is the starting material of the tributyltin and dibutyltin compounds. It is produced by the reaction of tin(IV) chloride with 1-chlorobutane. This reaction involves either the Grignard reaction, the Wurtz reaction, or butyl aluminium compounds. Pure SnBu4 can be mixed with tin(IV) chloride to form tributyltin chloride and dibutyltin chloride. These tin compounds are starting materials for a wide range of organotin compounds used as stabilizers for PVC, biocides, fungicides, and anti-biofouling agents.

Basic Info

Chemical Name	Tetrabutyltin
Synonyms	Tetrabutylstannane; Stannane, tetrabutyl-; Tetra-n-butyltin;
CAS No.	1461-25-2
Molecular Formula	C16H36Sn
Molecular Weight	347.15800
PSA	0.00000
LogP	6.63560

Properties

Appearance & Physical State	clear to slightly yellow oily liquid
Density	1.057
Boiling Point	145ºC (10 mmHg)
Melting Point	-97ºC
Flash Point	107ºC
Refractive Index	1.4725-1.4745
Water Solubility	insoluble
Stability	Stable. Incompatible with strong oxidizing agents. Combustible.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure	0.0086mmHg at 25°C

Safety Info

RTECS	WH8605000
Hazard Class	6.1(b)
Safety Statements	S35-S36/37/39-S45-S60-S61
HS Code	29310095
Packing Group	III
WGK Germany	3
RIDADR	UN 1760
Risk Statements	R21; R25; R36/38; R48/23; R50/53
Hazard Codes	T; N
Hazard Declaration	H301; H312; H315; H319; H372; H410
Caution Statement	P273; P280; P301 + P310; P305 + P351 + P338; P314; P501
Symbol	GHS06, GHS08, GHS09
Signal Word	Danger

Synthesis Route

Bis(tributyltin)oxide→dodeca-n-butylpentatin+Hexabutyldistannane
tributylstannane+13,13-Dimethyl-1,10-diphenyl-13-silatricyclo(8.2.1.0Δ2,9)trideca-11-en→tin atom+Hexabutyldistannane
Triethyltin chloride→tetraethylstannane+Tetrabutyltin

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Packed	Apiezon L	190.	1599.	isothermal
Packed	Apiezon L	-	1588.	temperature ramp
Packed	Apiezon L	-	1594.	temperature ramp
Packed	Apiezon L	-	1593.	temperature ramp

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Administration into the eye	Standard Draize test	Rodent - rabbit	500 mg/24H	-
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - mouse	6 gm/kg	1.Details of toxic effects not reported other than lethal dose value
Intraperitoneal	LDLo - Lowest published lethal dose	Rodent - mouse	174 mg/kg	1.Peripheral Nerve and Sensation-flaccid paralysis without anesthesia (usually neuromuscular blockage) 2.Behavioral-muscle weakness