This product is intended for research use only and it is not suitable for human or veterinary use. However, a common term for Silicic Acid is hydrated silica.
1.00657
Silicic acid
precipitated extra pure light
Sinonimo/i:
Silicic acid
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| A voi/SKU | Disponibilità | Prezzo |
|---|---|---|
1 kg | Per conoscere la disponibilità, visualizza il carrello | CHF 149.00 |
10 kg | Per conoscere la disponibilità, visualizza il carrello | CHF 601.00 |
Informazioni su questo articolo
Formula empirica (notazione di Hill):
O2Si · xH2O
Numero CAS:
Peso molecolare:
60.08 (anhydrous basis)
MDL number:
UNSPSC Code:
12352308
EC Index Number:
231-545-4
NACRES:
NB.21
Assay:
99-100.5% SiO2 basis (calculated on ignited substance, gravimetric)
Form:
solid
Servizio Tecnico
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Permettici di aiutartiQuality Segment
assay
99-100.5% SiO2 basis (calculated on ignited substance, gravimetric)
form
solid
potency
>10000 mg/kg LD50, oral (Rat), >5000 mg/kg LD50, skin (Rabbit)
loss
≤8.5% loss on ignition, 2 h, 900 °C
pH
3.0-8.0 (3.3% in water)
mp
1710 °C
solubility
water: insoluble at 20 °C
density
2-6 g/cm3 at 20 °C
bulk density
60‑600 kg/m3
anion traces
chloride (Cl-): ≤0.05%, sulfate (SO42-): ≤0.5%
cation traces
Fe: ≤0.03%, heavy metals (as Pb): ≤0.0025%
application(s)
sample preparation
storage temp.
no temp limit
SMILES string
[Si](=O)=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
Analysis Note
Assay (gravimetric, SiO₂, calc. on ignited substance): 99.0 - 100.5 %
Identity: passes test
pH-value (3.3 %, water): 3.0 - 8.0
Chloride (Cl): ≤ 0.05 %
Sulfate (SO₄): ≤ 0.5 %
Heavy metals (as Pb): ≤ 0.0025 %
Fe (Iron): ≤ 0.03 %
Loss on ignition (2 h, 900 °C): ≤ 8.5 %
Particle size (< 0.1 mm): about 99
Bulk density: about 6
Identity: passes test
pH-value (3.3 %, water): 3.0 - 8.0
Chloride (Cl): ≤ 0.05 %
Sulfate (SO₄): ≤ 0.5 %
Heavy metals (as Pb): ≤ 0.0025 %
Fe (Iron): ≤ 0.03 %
Loss on ignition (2 h, 900 °C): ≤ 8.5 %
Particle size (< 0.1 mm): about 99
Bulk density: about 6
1 of 1
Questo articolo | |||
|---|---|---|---|
| assay 99-100.5% SiO2 basis (calculated on ignited substance, gravimetric) | assay ≥99% SiO2 basis (calculated on ignited on substance, gravimetric) | assay 99% trace metals basis | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level - |
| form solid | form solid | form solid | form powder |
| pH 3.0-8.0 (3.3% in water) | pH - | pH - | pH - |
| storage temp. no temp limit | storage temp. 2-30°C | storage temp. - | storage temp. - |
| solubility water: insoluble at 20 °C | solubility water: insoluble at 20 °C | solubility - | solubility - |
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Classe di stoccaggio
13 - Non Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Hello I am wondering if this is the same as hydrated silica? I'm hoping to use these in skin care items. Thanks
1 answer-
Helpful?
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