| CAS
NO. |
16871-90-2, 12655-98-0,
1309-97-3, 792949-74-7 |
|
| EINECS NO. |
240-896-2 |
| FORMULA |
K2SiF6 |
| MOL
WT. |
220.26 |
|
HS
CODE
|
2826.90.1000 |
|
UN
NO.
|
2655 |
|
TOXICITY
|
Oral
Rat LD50: 156mg/kg
|
|
SYNONYMS
|
Dipotassium
Hexafluorosilicate, Potassium Silicofluoride |
| SMILES |
[Si-2](F)(F)(F)(F)(F)F.[K+].[K+] |
|
CLASSIFICATION
|
|
|
EXTRA
NOTES
|
|
|
PHYSICAL AND CHEMICAL PROPERTIES
|
|
PHYSICAL
STATE
|
White
Crystalline or Powder
|
| MELTING POINT |
|
| BOILING
POINT |
|
| SPECIFIC GRAVITY |
2.3 |
| SOLUBILITY
IN WATER |
6.9
(g/100 ml) |
| pH |
|
| VAPOR DENSITY |
|
| AUTOIGNITION |
|
| REFRACTIVE
INDEX
|
|
| NFPA RATINGS |
|
| FLASH
POINT |
|
| STABILITY |
stable
under ordinary conditions. Moisture
sensitive |
|
EXTERNAL LINKS
& GENERAL
DESCRIPTION
|
|
Wikipedia
Linking
Material
Safety Data Sheet
Google
Scholar Search
Application:
Hexafluorosilicic acid is also converted to a variety of useful
hexafluorosilicate salts. The potassium salt is used in the production of
porceleins, the magnesium salt for hardened concretes and as an insecticide, and
the barium salts for phosphors.
|
| SALES
SPECIFICATION |
|
APPEARANCE
|
White
Crystalline or Powder
|
|
ASSAY
(K2SiF6)
|
98.0%
min
|
| MOISTURE |
0.5%
max |
|
H2SiF6 |
0.5%
max
|
|
Cl |
0.1%
max
|
|
SO4 |
0.02%
max
|
|
HEAVY
METALS |
0.1%
max
|
|
INSOLUBLE
MATTER
|
0.5%
MAX
|
|
PARTICLE
SIZE |
90%
(80 mesh)
|
| TRANSPORTATION |
| PACKING |
25kgs
in Bag |
| HAZARD CLASS |
This
chemical is in the EPA inventory under TSCA |
| UN
NO. |
2655 |
| OTHER
INFORMATION |
|
Hazard
Symbols: T, Risk Phrases: 23/24/25, Safety Phrases: 26-45 |
|
PRICE INFORMATION |
|
|