Hexamethyldistannane
Synonym(s):Hexamethyldistannane
- CAS NO.：661-69-8
- Empirical Formula: C6H18Sn2
- Molecular Weight: 327.63
- MDL number: MFCD00008277
- EINECS: 211-549-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:21:58
What is Hexamethyldistannane?
Chemical properties
Clear colorless liquid
The Uses of Hexamethyldistannane
Agricultural chemical.
The Uses of Hexamethyldistannane
It is used to prepare aryl tin compounds for microwave-assisted Stille cross-coupling with halo pyridines or copper-mediated O-arylation of phenols.
Hazard
A poison by ingestion.
Purification Methods
Wash it with H2O and extract with *C6H6, dry by filtering through powdered Na2SO4, remove *C6H6 on a rotary evaporator and fractionally distil the oily residue under vacuum (b 85-88o/45mm). It boils at ca 182o at atmospheric pressure, but it cannot be distilled in air because the hot vapours flash in the condenser. [Kraus & Session J Am Chem Soc 47 2361 1925, Morris & Selwood J Am Chem Soc 63 2509 1941, Pedley et al. Trans Faraday Soc 53 1612 1957, Beilstein 4 IV 4346.]
Properties of Hexamethyldistannane
| Melting point: | 23-24 °C (lit.) |
| Boiling point: | 182 °C/756 mmHg (lit.) |
| Density | 1.58 g/mL at 20 °C (lit.) |
| refractive index | n |
| Flash point: | 142 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| form | solid |
| color | Colourless |
| Specific Gravity | 1.570 |
| Water Solubility | Not miscible or difficult to mix in water. |
| Sensitive | Air Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 3600327 |
| Exposure limits | ACGIH: TWA 0.1 mg/m3; STEL 0.2 mg/m3 (Skin) NIOSH: IDLH 25 mg/m3; TWA 0.1 mg/m3 |
| CAS DataBase Reference | 661-69-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Hexamethylditin(661-69-8) |
| EPA Substance Registry System | Distannane, hexamethyl- (661-69-8) |
Safety information for Hexamethyldistannane
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P262:Do not get in eyes, on skin, or on clothing. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for Hexamethyldistannane
| InChIKey | CCRMAATUKBYMPA-UHFFFAOYSA-N |
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