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277304

Sigma-Aldrich

Potassium bis(trimethylsilyl)amide solution

0.5 M in toluene

Synonym(s):
Potassium hexamethyldisilazide solution, Hexamethyldisilazane potassium salt solution
Linear Formula:
[(CH3)3Si]2NK
CAS Number:
Molecular Weight:
199.48
Beilstein:
4006754
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

3.2 (vs air)

vapor pressure

54 mmHg ( 25 °C)

form

liquid

concentration

0.5 M in toluene

color

clear to slightly hazy yellow

density

0.877 g/mL at 25 °C

SMILES string

C[Si](C)(C)N([K])[Si](C)(C)C

InChI

1S/C6H18NSi2.K/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1

InChI key

IUBQJLUDMLPAGT-UHFFFAOYSA-N

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Packaging

4×25, 100, 800 mL in Sure/Seal™
2 L in Sure/Seal™
The 25 mL Sure/Seal bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Application

Strong base used in the alkylation carbonyl compounds.

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

44.6 °F - closed cup

Flash Point(C)

7 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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