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NAHMDS/THF 40%
Product #: 300014- Alkoxides
- NaHMDS
Formula Weight: 183.38 g/mol
CAS #: 1070-89-9
EINECS: 213-983-8
| Storage & Shipping | |||
| Packaging | 32oz. glass bottle containing 500 g 5 gallon drum containing 15 Kg 18L cylinder containing 16 kgs 55 gallon drum containing 160 Kg |
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| Packaging Code 300014-100002 300014-210000 300014-300002 300014-260000 | Description NaHMDS, 40 wt% in THF NaHMDS, 40 wt% in THF NaHMDS, 40 wt% in THF NaHMDS, 40 wt% in THF | Measure (kg) 0.5 15 16 160 | Package Description Glass Bottle Pail Cylinder Drum |
| Shelf Life | Four years in the unopened, original packaging. | ||
| Storage / Stability | Reacts readily with water to form sodium hydroxide and hexamethyldisilazane. NaHMDS can hydrolyze upon exposure to moist air forming a cloudy solution. NaHMDS reacts with CO2. | ||
| Shipping | UN2920, PGII, 3(8) Corrosive liquid, flammable, n.o.s. (contains: sodio-hexamethyldisilazane, 2-methyl-2-butene, tetrahydrofuran) |
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| Product Information | |||
| Density | 0.894 g/ml for 40 wt% in THF | ||
| Boiling Point | 66°C for THF | ||
| Flash Point | -31.1 °C | ||
| Use | Deprotonation of ketones and esters to form enolates, dehydrohalogentation of halocarbons to generate carbenes, Wittig reaction. Strong base for deprotonations and base catalyzed reactions | ||
| Physical Properties | |||
| Appearance | Yellow to brown liquid | ||
| Physical Form | Liquid | ||
| Solubility | Sodium hexamethyldisilazane (NaHMDS) is soluble in aromatic hydrocarbons and ethers. | ||
| Application | Strong base for deprotonations or base catalyzed reactions, kinetic enolate formation, superbase component, used with alkyl lithium, base for Wittig reactions. | ||
| Analysis Method | Purity based upon titration. Hydroxide/carbonate based upon Modified Karl Fisher. Isoprene content by GC. | ||
| Analytical Note | - | ||
| Safety & Service | |||
| Health & Safety | See product MSDS | ||
| Technical Service | Available for all Callery products. Please contact your local representative for more details. | ||
| Notes | |||
| Product Notes | High concentration, non-corrosive, custom packaging available. At temperatures below -5 °C, NaHMDS can precipitate from solution. | ||