Hexamethyldisilathiane
ALDRICH/283134 - synthesis grade
Synonym: (TMS)2S; HMDS; Bis(trimethylsilyl) sulfide; NSC 252160
CAS Number: 3385-94-2
Empirical Formula (Hill Notation): C6H18SSi2
Molecular Weight: 178.44
EC Number: 222-201-4
MDL Number: MFCD00014851
Linear Formula: (CH3)3SiSSi(CH3)3
Product Type: Chemical
| bp | 164 °C (lit.) |
| density | 0.846 g/mL at 25 °C (lit.) |
| form | liquid |
| InChI | 1S/C6H18SSi2/c1-8(2,3)7-9 |
| InChI key | RLECCBFNWDXKPK-UHFFFAOYSA |
| quality | synthesis grade |
| Quality Level | 200  |
| refractive index | n |
| SMILES string | C[Si](C)(C)S[Si](C)(C)C |
| Application: | Hexamethyldisilathiane may be used in the bis-O-demethylation of dimethoxy aromatic compounds. It may also be used as a sulfur source in the following conversion: • Amides and lactams to their corresponding sulfur analogs. • Allyl alcohols to diallyl sulfides. • Transition metal halides to metal sulfides. • Aryl iodides to diaryl sulfides. |
| Packaging: | 1, 5, 500 g in glass bottle |
| Symbol |   GHS02,GHS06 |
| Signal word | Danger |
| Hazard statements | H226 - H301 + H311 + H331 |
| Precautionary statements | P210 - P280 - P301 + P310 + P330 - P302 + P352 + P312 - P304 + P340 + P311 |
| Hazard Codes | T |
| Risk Statements | 10-23/24/25 |
| Safety Statements | 36/37/39-45 |
| RIDADR | UN 1992 6.1(3) / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 73.4 °F - closed cup |
| Flash Point(C) | 23 °C - closed cup |
| bp | 164 °C (lit.) |
| Density | 0.846 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352103 |