372579
Ammonium hexafluorosilicate
98%
Synonym(s):
Cryptohalite
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About This Item
Linear Formula:
(NH4)2SiF6
CAS Number:
Molecular Weight:
178.15
PubChem Substance ID:
eCl@ss:
38130311
UNSPSC Code:
12352302
NACRES:
NA.23
EC Number:
240-968-3
MDL number:
Assay:
98%
Form:
solid
assay
98%
form
solid
density
2.01 g/mL at 25 °C (lit.)
SMILES string
[H][N+]([H])([H])[H].[H][N+]([H])([H])[H].F[Si--](F)(F)(F)(F)F
InChI
1S/F6Si.2H3N/c1-7(2,3,4,5)6;;/h;2*1H3/q-2;;/p+2
InChI key
ITHIMUMYFVCXSL-UHFFFAOYSA-P
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 3
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Regulatory Information
危险化学品
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Mark A Brzezinski et al.
Analytical chemistry, 78(17), 6109-6114 (2006-09-02)
A procedure for the automated determination of isotopic abundances of silicon from biogenic and lithogenic particulate matter and from dissolved silicon in fresh or saltwaters is reported. Samples are purified using proven procedures through the reaction of Si with acidified
Toshiyuki Suge et al.
Dental materials : official publication of the Academy of Dental Materials, 24(2), 192-198 (2007-06-05)
Diamine silver fluoride [AgF: (NH(3))(2)AgF] has been used clinically in Japan, as it reduces dental caries and dentin hypersensitivity. However, AgF stains the teeth black due to silver precipitation. To overcome this drawback, the authors prepared ammonium hexafluorosilicate [SiF: (NH(4))(2)SiF(6)]
Toshiyuki Suge et al.
American journal of dentistry, 19(4), 248-252 (2006-08-31)
To evaluate the occluding ability of ammonium hexafluorosilicate (SiF). Dentin disks prepared from human extracted teeth were grouped as follows to prepare different situations of dentin hypersensitivity: (1) those sonicated for 20 minutes; (2) those treated with 0.5 mol/L EDTA
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 372579-500G | 04061838139139 |