Tributylhydridotin(IV)
tri-n-butyltin hydride
CAS: 688-73-3
Molecular Formula: C12H28Sn
Tributylhydridotin(IV) - Names and Identifiers
| Name | tri-n-butyltin hydride |
| Synonyms | Tributyltin tributylstannanyl Tributyltin hydrid Tributyltin hydride tributylstannanylium Tri-N-Butyltin hydrine tri-n-butyltin hydride Tributylhydridotin(IV) Tributyltin(IV) hydride TRIBUTYLTIN HYDRIDE FOR SYNTHESIS (stabilized with BHT) [Reducing Reagent] Tributyltin hydride (stabilized with BHT) |
| CAS | 688-73-3 |
| EINECS | 211-704-4 |
| InChI | InChI=1/3C4H9.Sn/c3*1-3-4-2;/h3*1,3-4H2,2H3;/rC12H27Sn/c1-4-7-10-13(11-8-5-2)12-9-6-3/h4-12H2,1-3H3 |
Tributylhydridotin(IV) - Physico-chemical Properties
| Molecular Formula | C12H28Sn |
| Molar Mass | 291.06 |
| Density | 1.082g/mLat 25°C(lit.) |
| Melting Point | <0°C |
| Boling Point | 80°C0.4mm Hg(lit.) |
| Flash Point | 104°F |
| Water Solubility | REACTS |
| Vapor Presure | 5 hPa (20 °C) |
| Appearance | liquid |
| Specific Gravity | 1.103 (20℃) |
| Color | colorless |
| Exposure Limit | ACGIH: TWA 0.1 mg/m3; STEL 0.2 mg/m3 (Skin)NIOSH: IDLH 25 mg/m3; TWA 0.1 mg/m3 |
| BRN | 3587329 |
| Storage Condition | Store below +30°C. |
| Sensitive | Air & Moisture Sensitive |
| Refractive Index | n20/D 1.473(lit.) |
Tributylhydridotin(IV) - Risk and Safety
| Risk Codes | R10 - Flammable R21 - Harmful in contact with skin R25 - Toxic if swallowed R36/38 - Irritating to eyes and skin. R48/23/25 - R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R15 - Contact with water liberates extremely flammable gases R67 - Vapors may cause drowsiness and dizziness R65 - Harmful: May cause lung damage if swallowed R11 - Highly Flammable |
| Safety Description | S35 - This material and its container must be disposed of in a safe way. 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 the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S36/37 - Wear suitable protective clothing and gloves. S33 - Take precautionary measures against static discharges. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| RTECS | WH8675000 |
| FLUKA BRAND F CODES | 1-10 |
| TSCA | Yes |
| HS Code | 29310095 |
| Hazard Class | 6.1 |
| Packing Group | II |
Tributylhydridotin(IV) - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Overview | tributyltin hydride is a rapidly developing new reagent for modern organic synthesis. It provides a new method for the selective reduction of nitro compounds, halogen substituted compounds and the like. Applications in organic synthesis and in the preparation of special intermediates, synthesis of aldehydes, induced carbon radicals are being widely studied and applied. |
| prepare | in a 1000ml reaction flask, add 300g(0.5mol) with stirring tributyltin oxide and 100g of hydrogen-containing polysiloxane or hydrogen-containing polysiloxane waste (hydrogen content 1%). The reaction system should be heated slowly (generally not more than 20 ℃, large amount should be considered to cool down), after about 1H, the temperature should be stopped, stirring should be continued for 30min, and 105~107 ℃/0.8kPa fraction should be collected by vacuum distillation, A colorless liquid, namely tributyltin hydride, was obtained. |
| Use | is often used for reducing free radical reaction, and its application range is quite wide, it can not only remove the specific functional group on the compound, but also carry out addition reaction for the compound with pi bond, even high-order and stereoselective intramolecular or intermolecular coupling reactions. pharmaceutical intermediates, reducing agents. For reductive cleavage reaction, dehalogenation reaction, intramolecular group ring reaction widely used free radical reagent, can be used for reductive cleavage, free radical dehalogenation and Intramolecular free radical cyclization. |
| spontaneous combustion temperature | >250°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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