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Cas Database

Name	Tetra-n-butyltin	EINECS	215-960-8
CAS No.	1461-25-2	Density	1.057 g/mL at 25 °C(lit.)
PSA	0.00000	LogP	6.63560
Solubility	insoluble in water	Melting Point	-97 °C(lit.)
Formula	C₁₆H₃₆Sn	Boiling Point	275.347 °C at 760 mmHg
Molecular Weight	347.172	Flash Point	158.926 °C
Transport Information	UN 1760 8/PG 2	Appearance	colourless liquid
Safety	35-36/37/39-45-60-61	Risk Codes	21-25-36/38-48/23/25-50/53-48/23
Molecular Structure		Hazard Symbols	T, N
Synonyms	NSC 22330;NSC 28131;NSC 65524;Tetra-n-butylstannane;Tetrabutylstannane;Tetrabutyltin;Tetrabutyltin(IV);	Article Data	202

Tetra-n-butyltin Chemical Properties

IUPAC Name: Tetrabutylstannane (1461-25-2)
Synonyms: (C4H9)4Sn;tetrabutyl-stannan ; Tetrabutyl-ti ; Tetra-n-butylcin ; Tetra-n-butylcin(czech) ; Tetra-normal-butyltin ; Tetra-n-butylstannane ; Tetra-n-butyltin
CAS: 1461-25-2
Molecular Formula: C₁₆H₃₆Sn
Molecular Weight: 347.17
Molecular Structure:
EINECS: 215-960-8
Product Categories: Alkyl Metals;Classes of Metal Compounds;Grignard Reagents & Alkyl Metals;Sn (Tin) Compounds;Synthetic Organic Chemistry;Typical Metal Compounds
Mol File: 1461-25-2.mol
Flash Point: 158.9 °C
Enthalpy of Vaporization: 49.31 kJ/mol
Boiling Point: 275.3 °C at 760 mmHg
Vapour Pressure: 0.0086 mmHg at 25°C
Melting point: -97 °C(lit.)
Refractive index: n20/D 1.473(lit.)
Water Solubility: insoluble
Stability: Stable, Incompatible with strong oxidizing agents. Combustible.
Appearance: Tetrabutylstannane (1461-25-2) is colourless liquid.

Tetra-n-butyltin Uses

Tetrabutylstannane (1461-25-2) is used for the prodution of organic heat stabilizers and an important intermediate of catalyst of organic tin (such as 2-butyl tin oxide, Dibutyltin dilaurate, etc.), which is also good for explosion-proof agent of gasoline .

Tetra-n-butyltin Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LC50	inhalation	142mg/m3 (142mg/m3)		"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 201, 1999.
mouse	LD50	intravenous	56mg/kg (56mg/kg)		U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02221,
mouse	LD50	oral	6gm/kg (6000mg/kg)		Journal of Pharmaceutical Sciences. Vol. 56, Pg. 240, 1967.
mouse	LDLo	intramuscular	1389mg/kg (1389mg/kg)	peripheral nerve and sensation: flaccid paralysis without anesthesia (usually neuromuscular blockage) behavioral: muscle weakness	Annales Pharmaceutiques Francaises. Vol. 14, Pg. 88, 1956.
mouse	LDLo	intraperitoneal	174mg/kg (174mg/kg)	peripheral nerve and sensation: flaccid paralysis without anesthesia (usually neuromuscular blockage) behavioral: muscle weakness	Annales Pharmaceutiques Francaises. Vol. 14, Pg. 88, 1956.
mouse	LDLo	parenteral	347mg/kg (347mg/kg)	peripheral nerve and sensation: flaccid paralysis without anesthesia (usually neuromuscular blockage)	Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 239, Pg. 1091, 1954.
rabbit	LDLo	oral	> 5gm/kg (5000mg/kg)		Sangyo Igaku. Japanese Journal of Industrial Health. Vol. 15, Pg. 3, 1973.
rabbit	LDLo	skin	2gm/kg (2000mg/kg)		Sangyo Igaku. Japanese Journal of Industrial Health. Vol. 15, Pg. 3, 1973.
rat	LD50	intravenous	48mg/kg (48mg/kg)	behavioral: somnolence (general depressed activity) gastrointestinal: "hypermotility, diarrhea"	"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 201, 1999.
rat	LD50	oral	1268mg/kg (1268mg/kg)	behavioral: somnolence (general depressed activity) gastrointestinal: "hypermotility, diarrhea"	"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 201, 1999.
rat	LD50	subcutaneous	3082mg/kg (3082mg/kg)	behavioral: somnolence (general depressed activity) gastrointestinal: "hypermotility, diarrhea"	"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 201, 1999.

Tetra-n-butyltin Safety Profile

Hazard Codes: T,N
Risk Statements : 21-36/38-48/23/25-50/53
21: Harmful in contact with skin
36/38: Tetrabutylstannane (1461-25-2) is irritating to eyes and skin.
48/23/25: Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed
50/53: Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 35-36/37/39-45-60-61
35: This material and its container must be disposed of in a safe way
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
RIDADR: UN 1760 8/PG 2
WGK Germany: 3
RTECS : WH8605000
TSCA : Yes

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