Potassium bis(trimethylsilyl)amide solution
ALDRICH/775061 - 1.0 M in 2-methyltetrahydrofuran
Synonym: Hexamethyldisilazane potassium salt solution; Potassium hexamethyldisilazide solution
CAS Number: 40949-94-8
Empirical Formula (Hill Notation): C6H18KNSi2
Molecular Weight: 199.48
MDL Number: MFCD00010330
Linear Formula: [(CH3)3Si]2NK
Product Type: Chemical
12 Principles of Green Chemistry: Principle 5—Safer Solvents and Auxiliaries. This product utilizes reduced volumes of auxiliary substances that are less hazardous.
12 Principles of Green Chemistry: Principle 7—A raw material or feedstock should be renewable rather than depleting whenever technically and economically practicable.
12 Principles of Green Chemistry: Principle 12—Inherently Safer Chemistry for Accident Prevention. This product utilizes safer chemistry to minimize the potential for chemical accidents, including releases, explosions and fires.
| concentration | 1.0 M in 2-methyltetrahydrofuran |
| density | 0.884 g/mL at 25 °C |
| form | liquid |
| greener alternative category | Aligned  , |
| greener alternative product characteristics | Safer Solvents and Auxiliaries Use of Renewable Feedstocks Inherently Safer Chemistry for Accident Prevention Learn more about the Principles of Green Chemistry . |
| InChI | 1S/C6H18NSi2.K/c1-8(2,3)7 |
| InChI key | IUBQJLUDMLPAGT-UHFFFAOYSA |
| SMILES string | C[Si](C)(C)N([K])[Si](C)( |
| sustainability | Greener Alternative Product |
| vapor density | 3.2 (vs air) |
| Application: | Strong organic base in greener solvent, 2-methyltetrahydrofuran (2-MeTHF). 2-Methyltetrahydrofuran (2-MeTHF): A Biomass-Derived Solvent with Broad Application in Organic Chemistry  |
| General description: | We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product, 1.0 M in 2-methyltetrahydrofuran aligns with "Safer Solvents and Auxiliaries", "Use of Renewable Feedstocks" and "Inherently Safer Chemistry for Accident Prevention". Click here for more information. |
| Legal Information: | Sure/Seal is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 4×25, 100, 500 mL in Sure/Seal™ |
| Packaging: | The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product. |
| Symbol |    GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H302 - H314 |
| Precautionary statements | P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | F,C |
| Risk Statements | 11-14-19-34 |
| Safety Statements | 16-26-36/37/39-45 |
| RIDADR | UN 2924 8(3) / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 12.2 °F |
| Flash Point(C) | -11 °C |
| Supplemental Hazard Statements | EUH014 - EUH019 |
| Density | 0.884 g/mL at 25 °C |
| UNSPSC | 12352111 |