A1665712
Boron trifluoride dihydrate , 96% , 13319-75-0
CAS NO.：13319-75-0
Empirical Formula: BF3H4O2
Molecular Weight: 103.84
MDL number: MFCD00149901
EINECS: 603-716-7
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 6 °C |
| Boiling point: | 58-60 °C (1.5 mmHg) |
| Density | 1.636 g/mL at 25 °C(lit.) |
| refractive index | n |
| form | Liquid |
| color | Clear colorless to pale yellow |
| Water Solubility | miscible |
| EPA Substance Registry System | Borane, trifluoro-, dihydrate (13319-75-0) |
Description and Uses
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
| Symbol(GHS) |    GHS05,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | EUH014-H302-H314-H330-H372 |
| Precautionary statements | P280-P260-P271 |
| Hazard Codes | C,T |
| Risk Statements | 34-48/23-35-20/22 |
| Safety Statements | 26-27-36/37/39-45-28A-23-28-9 |
| RIDADR | UN 2851 8/PG 2 |
| WGK Germany | 3 |
| RTECS | ED2285000 |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 28261990 |
