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SEC-BUTYLLITHIUM

SEC-BUTYLLITHIUM Basic information
Product Name:SEC-BUTYLLITHIUM
Synonyms:sec-Butyllithium, 1.0 M solution in Hexane, HySeal;S-BULI;S-BUTYLLITHIUM;SEC-BUTYLLITHIUM;LITHIUM-2-BUTANIDE;LITHIUM SEC-BUTYL;s-butyllithium（1.3M）in cyclonexane;Sec-butyllithium 1.4M in cyclohexane
CAS:598-30-1
MF:C4H9Li
MW:64.06
EINECS:209-927-7
Product Categories:straight chain compounds;Ionic Polymerization Initiators;25mL Sure/Seal Reagents;Alkyl;Chemical Synthesis;Materials Science;metal alkyl;Organic Bases;Organolithium;Organometallic Reagents;Polymer Science;Polymerization Initiators;Reagents for Polymerization;Synthetic Reagents
Mol File:598-30-1.mol
SEC-BUTYLLITHIUM Structure
SEC-BUTYLLITHIUM Chemical Properties
density 0.769 g/mL at 25 °C
Fp 1 °F
storage temp. 2-8°C
form Liquid
color Clear colorless
Sensitive Air & Moisture Sensitive
BRN 3587206
Exposure limitsACGIH: TWA 100 ppm
OSHA: TWA 300 ppm(1050 mg/m3)
NIOSH: IDLH 1300 ppm; TWA 300 ppm(1050 mg/m3)
InChIKeyVATDYQWILMGLEW-UHFFFAOYSA-N
CAS DataBase Reference598-30-1(CAS DataBase Reference)
EPA Substance Registry SystemLithium, (1-methylpropyl)- (598-30-1)
Safety Information
Hazard Codes F,C,N
Risk Statements 11-15-17-34-50/53-65-67-66-51/53-14/15
Safety Statements 26-36/37/39-43-45-60-61-62-33-16
RIDADR UN 3394 4.2/PG 1
WGK Germany 2
F 1-10
TSCA Yes
HazardClass 4.3
PackingGroup I
HS Code 29319090
MSDS Information
ProviderLanguage
SigmaAldrich English
ACROS English
ALFA English
SEC-BUTYLLITHIUM Usage And Synthesis
Chemical Propertiessec-Butyllithium is a colorless crystalline solid or clear yellowish solution. It is more reactive than n-butyllithium. Its solutions are unstable and decompose about 10 to 15 times as fast as n-butyllithium under the same conditions.
sec-Butyllithium
Usessec-Butyllithium is used almost exclusively as a polymerization catalyst. It is more expensive than n-butyllithium and is used mainly because of its greater reactivity and faster polymerization initiation.
Preparationsec-Butyllithium is produced by the reaction of sec-butyl chloride with lithium metal dispersion in hydrocarbon solvents. The lithium metal should contain catalytic amounts of up to 2 % sodium metal to attain a rapid reaction with the chloride and to minimize coupling. Massive substitution of sodium metal for lithium metal as is done in the preparation of n-butyllithium results in lower yields. Isopentane, hexane and cyclohexahe are typical solvents. Industrial and laboratory preparations are similar.
Lithium bis(trimethylsilyl)amide tert-Butyllithium ISOBUTYLLITHIUM LITHIUM METHOXIDE METHYLLITHIUM AS COMPLEX WITH LITHIUM Lithium hexamethyldisilazide Lithium diisopropylamide Methyllithium N-HEXYLLITHIUM (TRIMETHYLSILYL)METHYLLITHIUM sec-Butyllithium, 1.3M in cyclohexane, packaged under Argon in resealable ChemSeal bottles SEC-BUTYLLITHIUM CYCLOPENTYLLITHIUM LITHIUM N-PROPYLCYCLOPENTADIENIDE SEC-BUTYLLITHIUM 1.3M IN CYCLOHEXANE LITHIUM N-BUTYLCYCLOPENTADIENIDE LITHIUM TERT-BUTYLCYCLOPENTADIENIDE Lithium
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