A6717012
Potassium fluosilicate , 99.999%metalsbasis , 16871-90-2
CAS NO.:16871-90-2
Empirical Formula: F6K2Si
Molecular Weight: 220.27
MDL number: MFCD00040666
EINECS: 240-896-2
Update time: 2022-07-08
PRODUCT Properties
Melting point: | °Cd ec.) |
Boiling point: | dec |
Density | 2.665 g/mL at 25 °C(lit.) |
vapor pressure | 0.01Pa |
refractive index | 1.3991 |
solubility | insoluble in ethanol |
form | Powder |
Specific Gravity | 2.665 |
color | White |
Odor | Odorless |
Water Solubility | Slightly soluble in water. |
Sensitive | Moisture Sensitive |
Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
Merck | 14,7638 |
Solubility Product Constant (Ksp) | pKsp: 6.06 |
Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3 |
LogP | 0.001 |
CAS DataBase Reference | 16871-90-2(CAS DataBase Reference) |
EPA Substance Registry System | Silicate(2-), hexafluoro-, dipotassium (16871-90-2) |
Description and Uses
In the manufacture of opalescent glass, in porcelain enamels, in insecticides. Also used in aluminum metallurgy.
Safety
Symbol(GHS) | ![]() GHS06 |
Signal word | Danger |
Hazard statements | H301+H311+H331 |
Precautionary statements | P280-P301+P310+P330-P302+P352+P312-P304+P340+P311 |
Hazard Codes | T,Xi |
Risk Statements | 23/24/25 |
Safety Statements | 26-45 |
RIDADR | UN 2655 6.1/PG 3 |
WGK Germany | 2 |
RTECS | VV8400000 |
F | 21 |
Hazard Note | Irritant |
TSCA | Yes |
HazardClass | 6.1 |
PackingGroup | III |
HS Code | 2826908090 |