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About This Item
Empirical Formula (Hill Notation):
BCl3
CAS Number:
Molecular Weight:
117.17
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352106
MDL number:
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
SMILES string
ClB(Cl)Cl
InChI
1S/BCl3/c2-1(3)4
InChI key
FAQYAMRNWDIXMY-UHFFFAOYSA-N
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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signalword
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
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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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)
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)
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)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 211249-800ML | 04061838134974 |
| 211249-100ML | 04061838771681 |




