n-Butyllithium CAS 109-72-8
Factory Supply n-Butyllithium CAS 109-72-8 with Best Price
- Appearance: Colorless liquid
- Purity: 99. 0%min
- Stock: In stock
- Sample: Available
- Zhishang Chemical: n-Butyllithium Supplier & Manufacturer
n-Butyllithium: The Complete Guide
n-Butyllithium for Sale
Basic Info of n-Butyllithium
n-Butyllithium solution; Butyllithium; Tert butyllithium; Tertiary butyllithium
Medicines, pesticides. Dye Intermediates; Organic raw materials
What is n-Butyllithium?
Alkyl by-products of lithium include n-butyllithium, methyllithium, phenyllithium, and the like. They are typically made use of as reagents, of which n-butyllithium remedy is one of the most frequently utilized. Alkyllithium can perform enhancement response to carbonyl substances, substitute reaction of active hydrogen, and also halogen-lithium exchange response, and its reactivity is larger as well as a lot more diverse than basic Grignard reagents. Its metal lithium derivatives developed with numerous steel organics are extensively made use of in natural synthesis.
n-Butyllithium is a colorless or slightly yellow transparent liquid, secure at room temperature, as well as the lithium hydride is gotten rid of by home heating. It disintegrates in the presence of water, dissolves in hydrocarbons and ethers, kinds facilities with ethers, amines and sulfides, as well as makes use of n-hexane as a solvent, with a density of 0.675 g/ml. It is normally created right into thin down options with molar focus ranging from 1.0 M to 1.3 M, as well as its mass percent concentration is between 9% and 13%. It is extensively utilized in medicine intermediates, fluid crystal monomers, pesticides and organic catalytic responses in the rubber market.
Making use of n-butyllithium (BuLi) as initiator, tetrahydrofuran (THF) as structural regulator, and tin tetrachloride (SnCl4) as coupling representative to manufacture integrated rubber SIBR, which is a new sort of rubber for footsteps, its distinctive feature is that the molecular chain is made up of segments of various structures, as well as the segments of various structures provide rubber with different buildings. The wear resistance of the tire; the inflexible segment enhances the wet hold of the rubber and enhances the safety of the tire on the damp road, that makes SIBR one of the most comprehensive diene rubber so far. Due to the fact that SIBR has outstanding It is taken into consideration to be a warm rubber in this century as well as has a bright development possibility.
- Metallization reaction: R-H+ n-Butyl-Li → R-Li+ Butane, the resulting material alkyl lithium can react with numerous compounds.
- Directly carry out the metallation response: the fragrant compound connected to the substituent is responded with n-butyllithium, and also the steel lithium can be attached to the aromatic substance.
- Nucleophilic enhancement and also substitution responses.
- Halogen-metal substitute.
- The n-butyllithium service is primarily utilized as an anionic polymerization initiator in the natural reaction synthesis of pharmaceutical intermediates, and is additionally used in artificial rubber, flavor synthesis, liquid crystal materials and various other markets and also areas.
- n-Butyllithium (n-C4H9Li) is primarily utilized in organic reaction catalysts and also is extensively used in organic catalytic responses in pharmaceutical intermediates, liquid crystal monomers, pesticides as well as rubber industries.
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How to prepare a service of n-butyllithium in ether as well as n-hexane?
Under the defense of anhydrous as well as oxygen-free nitrogen, in a 500-mL dry three-necked flask furnished with a stirrer, a cryogenic thermostat, a gas tube, a drying tube as well as a dropping channel, add 200 mL of anhydrous ether as well as 8.6 g of sliced (1.25 mol) lithium cord, 30 declines of a solution composed of 68.5 g (0.50 mol) n-bromobutane and also 100 ml of anhydrous ether were added dropwise with stirring.
After cooling to -10 ° C in a completely dry ice-acetone bath, the reaction started when the solution became over cast and also a bright area with metallic gloss appeared on the lithium wire. The remaining n-bromobutane solution was included over half an hour. After that gradually cozy to 0-10 ° C and also proceed mixing for 1-2 hours. Under nitrogen protection, it was filtered through a glass tube plugged with glass woollen, and also the ether remedy of n-butyllithium was moved to a container purged with nitrogen before storage, and also the yield was 80-90%.
n-Butyllithium Supplier and Manufacturer
As a n-butyllithium supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best n-butyllithium raw materials to customers all over the world.
Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.
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