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CAS 40949-94-8 | Potassium Bis(trimethylsilyl)amide
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CAS 40949-94-8 | Potassium Bis(trimethylsilyl)amide

CAS 40949-94-8 | Potassium Bis(trimethylsilyl)amide

Molecular Formula: C6H18KNSi2
Molecular Weight: 199.48
EINECS: 424-100-2
Purity: 1.0 M solution in THF (Around 22%)
Package: 100 g / 1 kg / 25 kg
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Product Introduction

Introduction

Potassium bis(trimethylsilyl)amide is a non-nucleophilic strong base, mainly used for the production of synthetic cephalosporin antibiotics.


Specification of CAS 40949-94-8 | Potassium bis(trimethylsilyl)amide

ITEMS

SPECIFICATION

Melting point

194-195°C

Vapor pressure

54 mm Hg ( 25 °C)

Color

clear to slightly hazy yellow

Solubility

Miscible with terahydrofuran, ether, benzene and toluene.

Storage temp.

Refrigerator

Fp

45 °F

Refractive index

1.4920

Form

Liquid

EPA Substance Registry System

Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, potassium salt (1

Density

0.877 g/mL at 25 °C

Boiling point

111 °C

Specific Gravity

0.877

Water Solubility

Reacts with water.

Sensitive

Moisture Sensitive

vapor density

3.2 (vs air)

BRN

4006754

Hydrolytic Sensitivity

8

CAS DataBase Reference

40949-94-8(CAS DataBase Reference)

Synthesis of CAS 40949-94-8 | Potassium bis(trimethylsilyl)amide

image

Conditions

With potassium tert-butylate In benzene at 20℃;

Reference

Chiu, Hsin-Chun; Pearce, Adam J.; Dunn, Peter L.; Cramer, Christopher J.; Tonks, Ian A. [Organometallics, 2016, vol. 35, # 12, p. 2076 - 2085]

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