A7727212
Tetrafluoroboric acid , 50wt.%inH2O , 16872-11-0
CAS NO.：16872-11-0
Empirical Formula: BF3.FH
Molecular Weight: 87.81
MDL number: MFCD00011345
EINECS: 240-898-3
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -90°C |
| Boiling point: | 130°C (dec.) |
| Density | 1.38 g/mL at 20 °C(lit.) |
| vapor density | 3 (vs air) |
| vapor pressure | 5 mmHg ( 20 °C) |
| refractive index | nD20 of a 20% aq soln 1.3284 |
| Flash point: | −40 °F |
| solubility | very soluble in H2O, ethanol |
| pka | -4.9[at 20 ℃] |
| form | Liquid |
| color | Light Yellow |
| Odor | Odorless |
| Water Solubility | MISCIBLE |
| Merck | 14,4149 |
| Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3 |
| Stability: | Stable. Incompatible with strong bases, cyanides. |
Description and Uses
Fluoboric acid is a colorless liquid which doesnot exist as a free, pure substance. Used as an aqueous solution. Molecular weight=87.82; Boiling point=130C(decomposes). Hazard Identification (based on NFPA-704M Rating System): Health 3, Flammability 0, Reactivity 0.Soluble in water.
Tetrafluoroboric acid is used in conjunction with various methods of cleaning and treat the surface of substrates. It is used as radiotracers.
Safety
| Symbol(GHS) |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P280-P301+P330+P331-P303+P361+P353-P305+P351+P338+P310 |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45-37-27 |
| RIDADR | UN 1775 8/PG 2 |
| WGK Germany | 1 |
| RTECS | ED2685000 |
| F | 3 |
| Hazard Note | Corrosive |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 28111990 |
