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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:
13319-75-0
Molecular Weight:
103.84
NACRES:
NA.22
PubChem Substance ID:
24862131
UNSPSC Code:
12352106
MDL number:
MFCD00149901
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Quality Segment

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

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.

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1A - STOT RE 2 Inhalation - STOT SE 3

Target Organs

Kidney, Respiratory system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

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

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