Description Features Preparation
ChemicalBook > CAS DataBase List > Lithium triisobutylhydroborate

Lithium triisobutylhydroborate

Description Features Preparation
Product Name
Lithium triisobutylhydroborate
CAS No.
38721-52-7
Chemical Name
Lithium triisobutylhydroborate
Synonyms
L-selectride;LITHIUM TRI-SEC-BUTYLBOROHYDRIDE;lithium tri-sec-butylborohydride solution;Lithium tri-sec-butylhydridoborate, 1.0M solution in THF, packaged under Argon in resealable ChemSealTM bottles;1.0MinTHF;L-SELECTRIDE(R);Lithium tri-sec;1.0MsolutioninTHF;ithium tri-sec-butyL;l-selectride solution
CBNumber
CB0349017
Molecular Formula
C12H28B.Li
Formula Weight
190.1
MOL File
38721-52-7.mol
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Lithium triisobutylhydroborate Property

Density 
0.89 g/mL at 25 °C
Flash point:
1 °F
storage temp. 
Flammables area
solubility 
Miscible with tetrahydrofuran.
form 
Liquid
color 
Colorless to yellow
Water Solubility 
reacts
Sensitive 
Moisture Sensitive
BRN 
4007327
InChIKey
ACJKNTZKEFMEAK-UHFFFAOYSA-N
CAS DataBase Reference
38721-52-7(CAS DataBase Reference)
EPA Substance Registry System
Borate(1-), hydrotris(1-methylpropyl)-, lithium, (T-4)- (38721-52-7)
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Safety

Hazard Codes 
F,C
Risk Statements 
11-14/15-17-34-35-19-40-37
Safety Statements 
16-26-36/37/39-43-45-7/8-30
RIDADR 
UN 3394 4.2/PG 1
WGK Germany 
1
F 
10
TSCA 
Yes
HazardClass 
4.3
PackingGroup 
II
HS Code 
29319090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H250Catches fire spontaneously if exposed to air

H260In contact with water releases flammable gases which may ignite spontaneously

H314Causes severe skin burns and eye damage

H318Causes serious eye damage

H335May cause respiratory irritation

H351Suspected of causing cancer

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P231+P232Handle under inert gas. Protect from moisture.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P310Immediately call a POISON CENTER or doctor/physician.

P370+P378In case of fire: Use … for extinction.

P402+P404Store in a dry place. Store in a closed container.

P422Store contents under …

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
178497
Product name
L-Selectride? solution
Purity
1.0M in THF
Packaging
8l
Price
$2090
Updated
2024/03/01
Alfa Aesar
Product number
043034
Product name
Lithium tri-sec-butylborohydride, 1.0M solution in THF, packaged under Argon in resealable ChemSeal? bottles
Packaging
100ml
Price
$82
Updated
2024/03/01
Alfa Aesar
Product number
043034
Product name
Lithium tri-sec-butylborohydride, 1.0M solution in THF, packaged under Argon in resealable ChemSeal? bottles
Packaging
500ml
Price
$332
Updated
2024/03/01
Strem Chemicals
Product number
03-1400
Product name
Lithium triisobutylhydroborate
Packaging
100g
Price
$77
Updated
2024/03/01
Strem Chemicals
Product number
03-1400
Product name
Lithium triisobutylhydroborate
Packaging
500g
Price
$308
Updated
2024/03/01
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Lithium triisobutylhydroborate Chemical Properties,Usage,Production

Description

Lithium tri-sec-butylborohydride, commercially available as a one molar solution in tetrahydrofuran. It is widely used as a mild and strong reducing agent with high stereoselectivity in organic synthesis.

Features

Lithium tri-sec-butylborohydride is a new type of hydride reducing agent, which has the characteristics of strong reducing ability and high regio- and stereoselectivity.

Preparation

Lithium triisobutylhydroborate can be prepared by:In a 3000ml three-necked flask, add 1000ml of 1mol/L tri-sec-butylboron tetrahydrofuran solution, add 1000ml of 1mol/L triethylenediamine tetrahydrofuran solution simultaneously, introduce nitrogen to start stirring, put the mixture of the two in an ice-water bath After cooling to 0° C., 1000 ml of a 1 mol/L lithium aluminum hydride solution in tetrahydrofuran was slowly added dropwise to the above mixed solution with a constant pressure funnel for about 10 hours.

Physical properties

clear colourless solution

Uses

Lithium triisobutylhydroborate is used as a reducing agent. Reagent for: Enantioselective synthesis of a-amino acids via reduction of N-tert-butanesulfinyl ketimine esters. Diastereoselective reduction reactions. Hydride reduction of the Danishefsky pyranones. Asymmetric reductive aldol reaction of enones with a-alkoxy aldehydes. Synthesis of alkanols by carbonylation reactions.

Uses

L-Selectride Solution is a reducing agent which is used in the preparation of oxygen heterocycles. Used also as a reactant in the synthesis of novel bicicyclo[3.1.0]hexane analags which may prove useful in the treatment of depression.

Lithium triisobutylhydroborate Preparation Products And Raw materials

Raw materials

Preparation Products

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Lithium triisobutylhydroborate Suppliers

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View Lastest Price from Lithium triisobutylhydroborate manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
Lithium triisobutylhydroborate 38721-52-7
Price
US $9.90/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-14
Cangzhou Lingang Xingchen Chemical Co.,Ltd.
Product
Lithium tri-sec-butylborohydride 38721-52-7
Price
US $0.00-0.00/kg
Min. Order
100kg
Purity
1±0.02M in THF
Supply Ability
100 tons
Release date
2022-11-07
Shanghai UCHEM Inc.
Product
Lithium triisobutylhydroborate 38721-52-7
Price
US $120.00/g
Min. Order
1g
Purity
1M solution in THF
Supply Ability
25kg
Release date
2023-12-29

38721-52-7, Lithium triisobutylhydroborateRelated Search:

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