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Hexafluorosilicic acid Basic information | |
Product Name: | Hexafluorosilicic acid |
Synonyms: | SILICOFLUORIC ACID;SYSMEHFRWGKPVGKKRRPVKVYPNGAEDESAEAFPLEF;SER-TYR-SER-MET-GLU-HIS-PHE-ARG-TRP-GLY-LYS-PRO-VAL-GLY-LYS-LYS-ARG-ARG-PRO-VAL-LYS-VAL-TYR-PRO-ASN-GLY-ALA-GLU-ASP-GLU-SER-ALA-GLU-ALA-PHE-PRO-LEU-GLU-PHE;SER-TYR-SER-MET-GLU-HIS-PHE-ARG-TRP-GLY-LYS-PRO-VAL-GLY-LYS-LYS-ARG-ARG-PRO-VAL-LYS-VAL-TYR-PRO-ASN-GLY-ALA-GLU-ASP-GLU-SER-ALA-GLU-ALA-PHE-PRO-LEU-GLU-PHE HUMAN;HYDROGEN HEXAFLUOROSILICATE;HYDROFLUOROSILICIC ACID;HYDROFLUOSILICIC ACID;HYDROSILICOFLUORIC ACID |
CAS: | 16961-83-4 |
MF: | F6H2Si |
MW: | 144.09 |
EINECS: | 241-034-8 |
Mol File: | 16961-83-4.mol |
Hexafluorosilicic acid Chemical Properties | |
Boiling point | 108-109°C |
density | 1.22 g/mL at 20 °C (lit.) 1.31 g/mL at 25 °C |
vapor pressure | 23hPa at 19.85℃ |
refractive index | 1.35 |
Fp | 108-109°C |
storage temp. | −20°C |
solubility | H2O: 1 mg/mL, clear, colorless |
pka | 1.83[at 20 ℃] |
form | Liquid |
color | Clear colorless |
Specific Gravity | 1.38 (40%) |
Water Solubility | Miscible with water. |
Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
Merck | 144,182 |
Exposure limits | ACGIH: TWA 2.5 mg/m3 |
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 | |
Stability: | Stable in aqueous solution. |
InChIKey | AUJBMDCSBIPDEH-UHFFFAOYSA-N |
CAS DataBase Reference | 16961-83-4(CAS DataBase Reference) |
EPA Substance Registry System | Fluosilicic acid (16961-83-4) |
Impurity name | Index |
Assay | 23% min., 30%min., 34%min., 40% min. |
Free acid (HF) | 1% max. |
Sulfate(SO4) | 0.1% max. |
Iron(Fe) | 0.004% max. |
Lead(Pb) | 0.005% max. |
Hexafluorosilicic acid Basic information | |
Product Name: | Hexafluorosilicic acid |
Synonyms: | SILICOFLUORIC ACID;SYSMEHFRWGKPVGKKRRPVKVYPNGAEDESAEAFPLEF;SER-TYR-SER-MET-GLU-HIS-PHE-ARG-TRP-GLY-LYS-PRO-VAL-GLY-LYS-LYS-ARG-ARG-PRO-VAL-LYS-VAL-TYR-PRO-ASN-GLY-ALA-GLU-ASP-GLU-SER-ALA-GLU-ALA-PHE-PRO-LEU-GLU-PHE;SER-TYR-SER-MET-GLU-HIS-PHE-ARG-TRP-GLY-LYS-PRO-VAL-GLY-LYS-LYS-ARG-ARG-PRO-VAL-LYS-VAL-TYR-PRO-ASN-GLY-ALA-GLU-ASP-GLU-SER-ALA-GLU-ALA-PHE-PRO-LEU-GLU-PHE HUMAN;HYDROGEN HEXAFLUOROSILICATE;HYDROFLUOROSILICIC ACID;HYDROFLUOSILICIC ACID;HYDROSILICOFLUORIC ACID |
CAS: | 16961-83-4 |
MF: | F6H2Si |
MW: | 144.09 |
EINECS: | 241-034-8 |
Mol File: | 16961-83-4.mol |
Hexafluorosilicic acid Chemical Properties | |
Boiling point | 108-109°C |
density | 1.22 g/mL at 20 °C (lit.) 1.31 g/mL at 25 °C |
vapor pressure | 23hPa at 19.85℃ |
refractive index | 1.35 |
Fp | 108-109°C |
storage temp. | −20°C |
solubility | H2O: 1 mg/mL, clear, colorless |
pka | 1.83[at 20 ℃] |
form | Liquid |
color | Clear colorless |
Specific Gravity | 1.38 (40%) |
Water Solubility | Miscible with water. |
Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
Merck | 144,182 |
Exposure limits | ACGIH: TWA 2.5 mg/m3 |
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 | |
Stability: | Stable in aqueous solution. |
InChIKey | AUJBMDCSBIPDEH-UHFFFAOYSA-N |
CAS DataBase Reference | 16961-83-4(CAS DataBase Reference) |
EPA Substance Registry System | Fluosilicic acid (16961-83-4) |
Impurity name | Index |
Assay | 23% min., 30%min., 34%min., 40% min. |
Free acid (HF) | 1% max. |
Sulfate(SO4) | 0.1% max. |
Iron(Fe) | 0.004% max. |
Lead(Pb) | 0.005% max. |