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Key Documents

Safety Information

295019

Sigma-Aldrich

Boron trichloride

99.9%

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About This Item

Empirical Formula (Hill Notation):
BCl3
CAS Number:
Molecular Weight:
117.17
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:

vapor density

4.05 (vs air)

Quality Level

vapor pressure

1128 mmHg ( 20 °C)
2815 mmHg ( 55 °C)

Assay

99.9%

reaction suitability

reagent type: catalyst
core: boron

bp

12.5 °C (lit.)

mp

−107 °C (lit.)

SMILES string

ClB(Cl)Cl

InChI

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

InChI key

FAQYAMRNWDIXMY-UHFFFAOYSA-N

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Application

Used in the high-temperature synthesis of layered graphite-like material with p-type semiconductor properties. Highly acidic boronated aluminas derived from BCl3 promote regio- and diastereoselectivity in Diels-Alder reactions.

Recommended products

Monel control valve Z146978 or Monel gas regulator Z562483 is recommended.

Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Press. Gas Compr. Gas - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

2A - Gases

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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McGinnis, M.B. et al.
The Journal of Organic Chemistry, 61, 3496-3496 (1996)
Kawaguchi, M. et al.
Chemistry of Materials, 8, 1197-1197 (1996)
Stéphanie Desvergnes et al.
Organic letters, 10(14), 2967-2970 (2008-06-24)
A general method to prepare a new class of carbohydrate-derived, enantiomerically pure polyhydroxypyrroline N-oxides from their alkoxy (protected) derivatives is presented. Boron trichloride is shown to cleave efficiently benzyl ethers and ketals without affecting the imine N-oxide functionality of nitrones.
Lei Zhang et al.
Journal of combinatorial chemistry, 8(3), 361-367 (2006-05-09)
A novel and efficient microwave-assisted, BCl(3) mediated coupling reaction to synthesize o-(hydroxyaryl)(aryl)methanone structures from phenols and acyl chlorides is described. This reaction was further incorporated into a two-step synthesis of biologically interesting xanthones.
Stephen Sproules et al.
Inorganic chemistry, 50(10), 4503-4514 (2011-04-19)
Sky-blue Tp*WOCl(2) has been synthesized from the high-yielding reaction of Tp*WO(2)Cl with boron trichloride in refluxing toluene. Dark-red Tp*WOI(2) was prepared via thermal decarbonylation followed by aerial oxidation of Tp*WI(CO)(3) in acetonitrile. From these precursors, an extensive series of mononuclear

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