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298425

Sigma-Aldrich

Tributylborane

Synonym(s):

TBB, Tributylboron

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About This Item

Linear Formula:
[CH3(CH2)3]3B
CAS Number:
122-56-5
Molecular Weight:
182.15
EC Number:
204-554-6
MDL number:
MFCD00009423
UNSPSC Code:
12352001
PubChem Substance ID:
24857985
NACRES:
NA.22

reaction suitability

reagent type: reductant

bp

109 °C/20 mmHg (lit.)

density

0.747 g/mL at 25 °C (lit.)

SMILES string

CCCCB(CCCC)CCCC

InChI

1S/C12H27B/c1-4-7-10-13(11-8-5-2)12-9-6-3/h4-12H2,1-3H3

InChI key

CMHHITPYCHHOGT-UHFFFAOYSA-N

Application

Reactant for:
  • Addition reactions for synthesis of phenyltrialkylborate salts
  • Boron-based multicomponent reactions for generation of substituted aziridines, oxazolidines, and pyrrolidines
  • Suzuki-Miyaura cross coupling of halopurines with trialkylboranes for the synthesis of adenosine A2A receptor antagonists
  • Multicomponent C-alkylation reactions with aromatic aldimines
  • One-pot alkylation-boration and electrophilic substitution

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

also commonly purchased with this product

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Description
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recommended

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septum inlet adapter

Product No.
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Signal Word

Danger

Hazard Statements

H250,H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Pyr. Liq. 1 - Skin Corr. 1B

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

FSL

Group 3: Spontaneously combustible substances and water- reactive materials
Materials containing Organometallic compounds
Hazardous rank I
1st spontaneously combustible materials and water reactive materials

JAN Code

298425-BULK:
298425-50G:
298425-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
SHBG9723V
SHBC9794V
SHBB1471V
06911DJ
00212ED

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