359963

Boron trifluoride dihydrate

96%

• Synonym(s): Boron fluoride dihydrate, Trifluoroborane dihydrate
• Linear Formula: BF₃ · 2H₂O
• CAS Number: 13319-75-0
• Molecular Weight: 103.84
• MDL number: MFCD00149901
• UNSPSC Code: 12352106
• PubChem Substance ID: 24862131
• NACRES: NA.22

Properties

• 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

Description

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.

Safety Information

• Pictograms: GHS06,GHS08,GHS05
• Signal Word: Danger
• Hazard Statements: H302,H314,H330,H335,H373
• Precautionary Statements: P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P314
• 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 Code: 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
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves