359963
Boron trifluoride dihydrate
96%
Synonym(s):
Boron fluoride dihydrate, Trifluoroborane dihydrate
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About This Item
Linear Formula:
BF3 · 2H2O
CAS Number:
Molecular Weight:
103.84
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
96%
form
liquid
reaction suitability
core: boron
reagent type: Lewis acid
reagent type: catalyst
refractive index
n20/D 1.316 (lit.)
density
1.636 g/mL at 25 °C (lit.)
SMILES string
[H]O[H].[H]O[H].FB(F)F
InChI
1S/BF3.2H2O/c2-1(3)4;;/h;2*1H2
InChI key
MJCYPBSRKLJZTB-UHFFFAOYSA-N
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Application
Boron trifluoride dihydrate can be used as:
- An activator in Pechmann condensation to synthesize 4-methylcoumarin derivatives by the reaction between substituted phenols and methyl acetoacetate.
- An initiator for the polymerization of benzoxazine.
- A catalyst in the regioselective Fries rearrangement of phenolic esters to give hydroxyphenyl alkyl/aryl ketones.
- A catalyst to prepare 8-hydroxymethyltricyclene acetate by the reaction between camphene and formaldehyde in the presence of methylene chloride-acetic anhydride solvent.
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Terpene-formaldehyde reactions. II. d-Limonene
Blomquist AT and Himics RJ
The Journal of Organic Chemistry, 33(3), 1156-1159 (1968)
Cationic polymerization of benzoxazine monomers by boron trifluoride complex.
Cid JA, et al.
Polymers & Polymer Composites, 7(6), 409-420 (1999)
BF3-H2O catalyzed Fries rearrangement of phenolic esters
Prakash GKS, et al.
Catalysis Letters, 114(1), 24-29 (2007)
Pechmann reaction promoted by boron trifluoride dihydrate.
Stoyanov E and Mezger J.
Molecules (Basel), 10(7), 762-766 (2005)
Diego Méndez et al.
Biochemical pharmacology, 183, 114341-114341 (2020-11-17)
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