| Identification | More | [Name]
Dibutyltin oxide | [CAS]
818-08-6 | [Synonyms]
DIBUTYLOXOSTANNANE
DIBUTYLOXOTIN
DIBUTYLTIN(IV) OXIDE
DIBUTYLTIN OXIDE
DI-N-BUTYLTIN OXIDE
dbot
dbto
dibutyloxideoftin
dibutyloxo-stannan
dibutyloxo-ti
dibutylstannaneoxide
dibutylstanniumoxide
dibutyltinmonoxide
dibutyl-tioxide
di-n-butylslannicoxide
di-n-butyl-zinn-oxyd
di-n-dibutyltin
di-n-dibutyltinoxide
kyslicnikdi-n-butylcinicity
Stannane,dibutyloxo- | [EINECS(EC#)]
212-449-1 | [Molecular Formula]
C8H18OSn | [MDL Number]
MFCD00001992 | [Molecular Weight]
248.94 | [MOL File]
818-08-6.mol |
| Chemical Properties | Back Directory | [Appearance]
white fine powder | [Melting point ]
≥300 °C(lit.) | [Boiling point ]
>300°C | [bulk density]
650-750kg/m3 | [density ]
1,5 g/cm3 | [vapor pressure ]
0Pa@25°C | [Fp ]
81-83°C | [storage temp. ]
Store below +30°C. | [solubility ]
Soluble in water 4.0g/L @ 20°C. | [form ]
Powder | [color ]
White | [Specific Gravity]
1.58 | [Water Solubility ]
4.0 mg/L (20 ºC) | [BRN ]
4126243 | [InChI]
1S/2C4H9.O.Sn/c2*1-3-4-2;;/h2*1,3-4H2,2H3;; | [InChIKey]
JGFBRKRYDCGYKD-UHFFFAOYSA-N | [SMILES]
CCCC[Sn](=O)CCCC | [LogP]
5.33 at 20℃ | [CAS DataBase Reference]
818-08-6(CAS DataBase Reference) | [EPA Substance Registry System]
818-08-6(EPA Substance) |
| Safety Data | Back Directory | [Symbol(GHS) ]
   
GHS05,GHS07,GHS08,GHS09 | [Signal word ]
Danger | [Hazard statements ]
H302-H315-H317-H318-H341-H360-H370-H372-H411 | [Precautionary statements ]
P273-P280-P301+P312-P302+P352-P305+P351+P338-P308+P311 | [Hazard Codes ]
T | [Risk Statements ]
R25:Toxic if swallowed. | [Safety Statements ]
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S24/25:Avoid contact with skin and eyes . | [RIDADR ]
UN 3146 6.1/PG 2
| [WGK Germany ]
3
| [RTECS ]
WH7175000
| [Autoignition Temperature]
525 °C | [TSCA ]
Yes | [REACH Registrations]
Active | [HazardClass ]
6.1 | [PackingGroup ]
II | [HS Code ]
29310095 | [Storage Class]
6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects | [Hazard Classifications]
Acute Tox. 4 Oral
Aquatic Chronic 2
Eye Dam. 1
Muta. 2
Repr. 1B
Skin Irrit. 2
Skin Sens. 1
STOT RE 1
STOT SE 1 | [Safety Profile]
Poison by ingestion and
intraperitoneal routes. A skin and eye
irritant. Flammable when exposed to flame;
can react with oxidizing materials. To fight
fire, use dry chemical, fog, CO2. When
heated to decomposition it emits acrid
smoke and irritating fumes. See also TIN
COMPOUNDS. | [Toxicity]
LD50 orally in Rabbit: 487 mg/kg LD50 dermal Rabbit > 2000 mg/kg |
| Questions And Answer | Back Directory | [Chemical Properties]
Dibutyltin oxide (Bu2SnO, C8H18OSn, CAS registry No. 818-08-6) is a white fine powder. Its flash point is 81-83 °C. The solubility of HNQ is 4.0 mg/L in water at 20 °C. It is flammable when exposed to flame. It can react with oxidizing materials. To fight fire, use dry chemical, fog, CO2. When heated to decomposition, it emits acrid smoke and irritating fumes.
| [Uses]
Dibutyltin oxide can be used as the catalyst in organic reaction.
|
| Hazard Information | Back Directory | [Flammability and Explosibility]
Nonflammable(100%) | [Purification Methods]
It is prepared by hydrolysis of di-n-butyltin dichloride with KOH. Hence wash it with a little aqueous M KOH, then H2O and dry at ~80o/10mm until the IR is free from OH bands. [Cummings Aust J Chem 18 98 1965, Beilstein 4 I 588.] |
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