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Merck
CN

211249

Boron trichloride solution

1.0 M in hexanes

Synonym(s):

Boron chloride, Trichloroborane

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About This Item

Empirical Formula (Hill Notation):
BCl3
CAS Number:
10294-34-5
Molecular Weight:
117.17
NACRES:
NA.22
PubChem Substance ID:
24852663
UNSPSC Code:
12352106
MDL number:
MFCD00011313

Key Documents

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InChI

1S/BCl3/c2-1(3)4

SMILES string

ClB(Cl)Cl

InChI key

FAQYAMRNWDIXMY-UHFFFAOYSA-N

vapor pressure

16.13 psi ( 55 °C), 5.22 psi ( 20 °C)

form

liquid

reaction suitability

core: boron, reagent type: catalyst

concentration

1.0 M in hexanes

density

0.738 g/mL at 25 °C

storage temp.

2-8°C

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General description

Boron trichloride (BCl3) is a commonly used reagent in organic synthesis for the cleavage of C-O bonds in a wide variety of ethers.

Application

BCl3 can be used as:       
  • A reagent in the synthesis of dichloroarylmethanes (geminal dichlorides) from aryl aldehydes.    
  • A Lewis acid for the preparation of syn chlorinated products by reacting aldehydes with α,β-unsaturated ketones in the presence of a Lewis base via Baylis–Hillman reaction.,·
  •  A catalyst to prepare (Z)-2-(1-trimethylgermyl-1-alkenyl)-1,3,2-dioxaborinanes by hydroboration reaction between 1-trimethylgermyl-1-alkynes with dichloroborane-methyl sulfide and 1,3-propane diol.

For preparing methyl esters of fatty acids and for transesterification of triglycerides.

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Danger

Hazard Classifications

Acute Tox. 2 Oral - Acute Tox. 3 Inhalation - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 1B - Skin Corr. 1B - STOT RE 1 Inhalation - STOT SE 3

target_organs

Central nervous system, Nervous system

supp_hazards

EUH014

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

1.4 °F - closed cup

flash_point_c

-17 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SHBJ8934
SHBJ6696
SHBH5042V
SHBF1925V
SHBD8431V

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Titanium (IV) chloride, zirconium (IV) chloride or boron trichloride and phosphine-promoted Baylis-Hillman reaction of aldehydes with α , β -unsaturated ketone
Shi M, et al.
Journal of the Chemical Society. Perkin Transactions 1, (4), 390-393 (2001)
A novel synthesis of (Z)-2-(1-trimethylgermyl-1-alkenyl)-1, 3, 2-dioxaborinanes and their conversion into carboxylic acids
Bhat NG, et al.
Tetrahedron Letters, 46(31), 5109-5111 (2005)
Conversion of aromatic aldehydes to gem-dichlorides using boron trichloride. A new highly efficient method for preparing dichloroarylmethanes.
Kabalka G W and Wu Z
Tetrahedron Letters, 41(5), 579-581 (2000)
Warwick J Belcher et al.
Dalton transactions (Cambridge, England : 2003), (12)(12), 1602-1614 (2008-03-13)
The reactions of boron halides with free base porphyrins under conditions where partial hydrolysis of the boron halides can occur give diboron porphyrin complexes containing BOB moieties in which each boron is bonded to two porphyrin nitrogen atoms. BF(3).OEt(2) with
C Matthäus et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 57(3), 521-534 (2001-04-13)
A method for expressing quantitatively the vibrational normal modes of a molecule in a basis set consisting of the normal vibrations (plus translations and rotations) of its constituent fragments is presented. The method is illustrated by describing the vibrational modes
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