Tetramethylsilane
SIGALD/T24007 - NMR grade, ACS reagent, ≥99.9%
Synonym: TMS
CAS Number: 75-76-3
Empirical Formula (Hill Notation): C4H12Si
Molecular Weight: 88.22
EC Number: 200-899-1
MDL Number: MFCD00008274
Linear Formula: Si(CH3)4
Product Type: Chemical
| assay | ≥99.9% |
| autoignition temp. | 842 °F |
| bp | 26-28 °C (lit.) |
| density | 0.648 g/mL at 25 °C (lit.) |
| evapn. residue | ≤0.05% |
| expl. lim. | 0.34-6.3 % |
| form | liquid |
| grade | ACS reagent |
| InChI | 1S/C4H12Si/c1-5(2,3)4/h1- |
| InChI key | CZDYPVPMEAXLPK-UHFFFAOYSA |
| mp | −99 °C (lit.) |
| Quality Level | 200  |
| refractive index | n |
| SMILES string | C[Si](C)(C)C |
| storage temp. | 2-8°C |
| technique(s) | NMR: suitable |
| vapor pressure | 11.66 psi ( 20 °C) |
| Application: | Tetramethylsilane can be used as: • A precursor to synthesize α-SiC by chemical vapor deposition. • A reactant to synthesize 1,3,5,7-tetramethyladaman • A solvent for the hydroaminomethylation of 1-octene with morpholine. • A methylating reagent for the conversion of germanium tetrachloride to tetramethylgermanium, trimethylgermanium chloride, dimethylgermanium dichloride or methylgermanium trichloride. |
| Packaging: | 25, 100 g in glass bottle |
| Symbol |  GHS02 |
| Signal word | Danger |
| Hazard statements | H224 |
| Precautionary statements | P210 - P403 + P233 |
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 3/7-16-33-45 |
| RIDADR | UN 2749 3 / PGI |
| WGK Germany | WGK 3 |
| Flash Point(F) | -16.6 °F - closed cup |
| Flash Point(C) | -27 °C - closed cup |
| Purity | ≥99.9% |
| bp | 26-28 °C (lit.) |
| mp | −99 °C (lit.) |
| Density | 0.648 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352103 |