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186171 Sigma-Aldrich

n-Butyllithium solution

1.6 M in hexanes

Synonym: n-BuLi, Butyl lithium, Butyllithium solution, Lithium-1-butanide

  • CAS Number 109-72-8

  • Linear Formula CH3(CH2)3Li

  • Molecular Weight 64.06

  •  Beilstein Registry Number 1209227

  •  MDL number MFCD00009414

  •  PubChem Substance ID 24851205

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Description

Other Notes

May contain trace amounts of LiCl.

Packaging

1 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.

View returnable container options.

4×25, 50, 100, 4×100, 800 mL in Sure/Seal™

8, 18 L in Kilo-Lab™

Legal Information

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

Safety & Documentation

Safety Information

Signal word 
Danger
Precautionary statements 
Supplemental Hazard Statements 
Reacts violently with water.
RIDADR 
UN3394 - class 4.2 - PG 1 - EHS - Organometallic substance, liquid, pyrophoric, water-reactive, HI: all (not BR)
WGK Germany 
2
Flash Point(F) 
-14.8 °F
Flash Point(C) 
-26 °C

Documents

Certificate of Analysis

Certificate of Origin

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How are the 100 mL, 800 mL, and 1 L unit sizes ofProduct 186171, Butyllithium solution,packaged?
They are packaged in our Sure-Seal bottle, which have a crown cap with a PTFE/elastomer liner crimped into place.
How are the 8 L and 18 L unit sizes of Product 186171, Butyllithium solution,packaged?
They are packaged in our Kilo-Lab cylinder.
What should I do if precipitate is present in Product 186171, Butyllithium solution?
Haziness may form upon storage but does not affect the specification. If precipitation is present, then gently mix precipitate back into solution under an inert atmosphere.
What are common uses for Product 186171, Butyllithium solution?
Butyllithium is widely use as a polymerization initiator in the production of elastomers such as polybutadiene or styrene-butadiene-styrene (SBS). It is also broadly employed as a strong base (superbase) in organic synthesis, both industrially and in the laboratory.
Is it necessary to handle Product 186171, Butyllithium solution, under inert atmosphere?
This product ignites on exposure to air and should be handled under inert atmosphere such as under nitrogen.
How do I find price and availability?
There are several ways to find pricing and availability for our products.Once you log onto our website, you will find the price and availability displayed on the product detail page.You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 orview local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
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Protocols & Articles

Articles

Acids and Bases

Acids and bases have been used by chemists for centuries, and are among the most fundamental reagents employed in synthetic organic chemistry. This product line ranges from Brønsted and Lewis acids, ...
Chemfiles Volume 1 Article 3

MRT - Three-Stage Lithium-Organic Synthesis

Benefit from MRT & Flow Chemistry: cost & time savings, highly reliable synthesis protocol guaranteeing constant quality.
Matthias Junkers
Aldrich ChemFiles 2009, 9.4, 17.
Keywords: Continuous flow chemistry, Microreactor technology

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Peer-Reviewed Papers
15

References

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