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Basic Information
CAS No.: 563-25-7
Name: DI-N-BUTYLDIFLUOROTIN
Article Data: 11
Molecular Structure:
Molecular Structure of 563-25-7 (DI-N-BUTYLDIFLUOROTIN)
Formula: C8H18 F2 Sn
Molecular Weight: 270.938
Synonyms: Dibutyltindifluoride (6CI); Tin, dibutyldifluoro- (7CI); Di-n-butyltin difluoride;Dibutyldifluorostannane; Dibutyldifluorotin; NSC 302604
Density: g/cm3
Melting Point: 157-9°C
Boiling Point: 192.8°Cat760mmHg
Flash Point: 70.4°C
Hazard Symbols: A poison by ingestion. TWA 0.1 mg(Sn)/m3; STEL 0.2 mg(Sn)/m3 (skin).
Risk Codes: R20/21/22
Safety: Poison by ingestion. See also TIN COMPOUNDS and FLUORIDES. When heated to decomposition it emits toxic fumes of F−.

Analytical Methods:

   

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.

PSA: 0.00000
LogP: 3.96780
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Chemistry

Product Name: Dibutyldifluorostannane (CAS NO.563-25-7)


Molecular Formula: C8H18F2Sn
Molecular Weight: 270.94g/mol
Mol File: 563-25-7.mol
Einecs: 209-246-5
Melting Point: 157-9°C
Boiling point: 192.8 °C at 760 mmHg
Flash Point: 70.4 °C
Enthalpy of Vaporization: 41.14 kJ/mol
Vapour Pressure: 0.67 mmHg at 25°C
H-Bond Donor: 0
H-Bond Acceptor: 2

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo oral 470mg/kg (470mg/kg)   Archives of Environmental Contamination and Toxicology. Vol. 14, Pg. 111, 1985.
rabbit LDLo oral 200mg/kg (200mg/kg)   Sangyo Igaku. Japanese Journal of Industrial Health. Vol. 15, Pg. 3, 1973.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Poison by ingestion. See also TIN COMPOUNDS and FLUORIDES. When heated to decomposition it emits toxic fumes of F−.
Analytical Methods:  
For occupational chemical analysis use NIOSH: OrganoTIN Compounds 5504.
Safety Information of Dibutyldifluorostannane (CAS NO.563-25-7):
Risk Statements: 20/21/22
20:  Harmful by inhalation 
21:  Harmful in contact with skin 
22:  Harmful if swallowed 
Safety Statements: 22-36/37/39
22:  Do not breathe dust
36:  Wear suitable protective clothing  
37:  Wear suitable gloves 
39:  Wear eye/face protection

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

 Dibutyldifluorostannane ,its CAS NO. is 563-25-7,the synonyms is Di-n-butyldifluorotin ; Dibutyldifluoro-stannan ; Dibutyldifluorostannane ; Dibutyldifluoro-stannane ; Dibutyl-tidifluoride ; Dibutyltindifluoride ; Dibutylzinnhalogenide .