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297054

Sigma-Aldrich

(Trimethylsilyl)methyllithium solution

1.0 M in pentane

Synonym(s):

(Lithiomethyl)trimethylsilane, Neosilyllithium, [(Trimethylsilyl)methyl]lithium

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About This Item

Linear Formula:
(CH3)3SiCH2Li
CAS Number:
1822-00-0
Molecular Weight:
94.16
Beilstein:
4123225
MDL number:
MFCD00010747
UNSPSC Code:
12352103
PubChem Substance ID:
24857896
NACRES:
NA.22

concentration

1.0 M in pentane

bp

35-36 °C

density

0.65 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

[Li]C[Si](C)(C)C

InChI

1S/C4H11Si.Li/c1-5(2,3)4;/h1H2,2-4H3;

InChI key

RJPBNMJOQNIBQW-UHFFFAOYSA-N

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Application

Initiates polymerization and copolymerization of cyclosiloxanes. Alkylates metal complexes.

Packaging

The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Legal Information

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

Signal Word

Danger

Hazard Statements

H224,H304,H314,H336,H411

Hazard Classifications

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

Target Organs

Central nervous system

Supplementary Hazards

EUH014

Storage Class Code

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

WGK 3

Flash Point(F)

-56.2 °F - closed cup

Flash Point(C)

-49 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Polym. Bull., 32, 35-35 (1994)
Verena M Birkelbach et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 25(64), 14711-14720 (2019-09-07)
A series of solvent-free heteroleptic terminal rare-earth-metal alkyl complexes stabilized by a superbulky tris(pyrazolyl)borato ligand with the general formula [TptBu,Me LnMeR] have been synthesized and fully characterized. Treatment of the heterobimetallic mixed methyl/tetramethylaluminate compounds [TptBu,Me LnMe(AlMe4 )] (Ln=Y, Lu) with
Journal of Organometallic Chemistry, 447, 51-51 (1993)
Xiaoyan Tang et al.
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Bacterial poly(3-hydroxybutyrate) (P3HB) is a perfectly isotactic, crystalline material possessing properties suitable for substituting petroleum plastics, but high costs and low volumes of its production are impractical for commodity applications. The chemical synthesis of P3HB via ring-opening polymerization (ROP) of

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