257044

L-Selectride^® solution

1.0 M lithium tri-sec-butylborohydride in THF

• Synonym(s): Lithium tri-sec-butylborohydride solution
• Linear Formula: Li[CH(CH₃)CH₂CH₃]₃BH
• CAS Number: 38721-52-7
• Molecular Weight: 190.10
• Beilstein: 4007327
• MDL number: MFCD00011708
• UNSPSC Code: 12352000
• PubChem Substance ID: 24855566
• NACRES: NA.22

Properties

• form: liquid
• reaction suitability: reagent type: reductant
• concentration: 1.0 M lithium tri-sec-butylborohydride in THF
• density: 0.89 g/mL at 25 °C
• SMILES string: [Li+].[H][B-](C(C)CC)(C(C)CC)C(C)CC
• InChI: 1S/C12H28B.Li/c1-7-10(4)13(11(5)8-2)12(6)9-3;/h10-13H,7-9H2,1-6H3;/q-1;+1
• InChI key: ACJKNTZKEFMEAK-UHFFFAOYSA-N

Description

Application

• 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

Packaging

Supplied in a Sure/Pac^™ cylinder and has a 1/4-turn bronze ball valve with a female 1/4" NPT outlet thread (Z122661) installed. Before using the cylinder, ensure that the valve is closed, then remove carbon steel plug that seals the outlet valve.

Compatible with the following:

• Aldrich^® Sure/Pac^™ station for liquefied gases Z566446
• PTFE Sealing tape Z104388 or Z221880
• Straight septum-inlet adapter Z118141 with septa Z565687 or Z565695

For instructions please refer to technical bulletin AL-136: The Aldrich Sure/Pac^™ Cylinder System

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Selectride is a registered trademark of Merck KGaA, Darmstadt, Germany

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

Safety Information

• Pictograms: GHS02,GHS08,GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H250,H260,H314,H335,H351
• Precautionary Statements: P210 - P231 + P232 - P280 - P305 + P351 + P338 - P370 + P378 - P422
• Hazard Classifications: Carc. 2 - Flam. Liq. 2 - Pyr. Liq. 1 - Skin Corr. 1B - STOT SE 3 - Water-react 1
• Target Organs: Respiratory system
• Supplementary Hazards: EUH019
• Storage Class Code: 4.2 - Pyrophoric and self-heating hazardous materials
• WGK: WGK 3
• Flash Point(F): 1.4 °F - closed cup
• Flash Point(C): -17 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves