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1112-63-6

Basic Information
CAS No.: 1112-63-6
Name: BIS(TRIETHYLTIN)OXIDE
Molecular Structure:
Molecular Structure of 1112-63-6 (BIS(TRIETHYLTIN)OXIDE)
Formula: C12H30 O Sn2
Molecular Weight: 427.79
Synonyms: Bis(triethyltin)oxide (6CI); Distannoxane, hexaethyl- (8CI,9CI); Tin, oxybis[triethyl- (7CI);1,1,1,3,3,3-Hexaethyldistannoxane; Bis(triethylstannyl) oxide;Bistriethylstannyl ether; Hexaethyldistannoxane; Triethyltin oxide
Density: g/cm3
Boiling Point: °Cat760mmHg
Flash Point: °C
Hazard Symbols: A poison. TWA 0.1 mg(Sn)/m3; STEL 0.2 mg/m3 (skin)
Risk Codes: R20/21/22; R36/37/38
Safety: Poison by intraperitoneal route. When heated to decomposition it emits toxic fumes of Sn.

Analytical Methods:

   

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.

PSA: 9.23000
LogP: 5.01340
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Chemistry

Empirical Formula of Hexaethyldistannoxane (CAS NO.1112-63-6): C12H30OSn2
Molecular Weight: 427.786 g/mol
EINECS: 214-194-1 
Flash Point: 134.2 °C
Enthalpy of Vaporization: 51.67 kJ/mol
Boiling Point: 298.3 °C at 760 mmHg
Vapour Pressure: 0.00227 mmHg at 25 °C
Structure of Hexaethyldistannoxane (CAS NO.1112-63-6):
                           
IUPAC Name: Triethyl(triethylstannyloxy)stannane
Canonical SMILES: CC[Sn](CC)(CC)O[Sn](CC)(CC)CC
InChI: InChI=1S/6C2H5.O.2Sn/c6*1-2;;;/h6*1H2,2H3;;;
InChIKey: VIULBFHXDPUWIL-UHFFFAOYSA-N

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 1mg/kg (1mg/kg)   Russian Pharmacology and Toxicology Vol. 42, Pg. 73, 1979.

Safety Profile

Poison by intraperitoneal route. When heated to decomposition Hexaethyldistannoxane (CAS NO.1112-63-6) emits toxic fumes of Sn.
Risk Statements: 20/21/22-36/37/38 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.

Standards and Recommendations

OSHA PEL: TWA 0.1 mg(Sn)/m3
ACGIH TLV: TWA 0.1 mg(Sn)/m3; STEL 0.2 mg/m3 (skin)
NIOSH REL: (Organotin Compound): 10H TWA 0.1 mg(Sn)/m3

Analytical Methods

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.

Specification

 Hexaethyldistannoxane , its cas register number is 1112-63-6. It also can be called 1,1,1,3,3,3-Hexaethyldistannoxane ; and Bis(triethyltin) oxide .