Silicon dioxide
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- $15.65 - $110894
- Product name: Silicon dioxide
- CAS: 7631-86-9
- MF: O2Si
- MW: 60.08
- EINECS:231-545-4
- MDL Number:MFCD00148343
- Synonyms:NeoBLUE;Silica Gel 120, spherical;Silica Gel 60, spherical;Silica Gel 60, spherical, neutrality;Uniform Silica Microspheres;Uniform Silica Microspheres Carboxyl;LUDOX? CL-X colloidal silica ;MP Silica, 32-63 μm, 60
267 prices
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Brand
- AK Scientific
- Alfa Aesar
- American Custom Chemicals Corporation
- GFS CHEMICALS
- Oakwood
- Rare Earth Products
- Sigma-Aldrich
- Strem Chemicals
- TCI Chemical
- TRC
Package
- 1g
- 1131260500
- 15MG
- 5g
- 1ML
- 2G
- 2ML
- 1131265000
- 10g
- 25gm
- 25g
- 50g
- 100gm
- 100g
- 250g
- 500g
- 1000g
- 1l
- 1kg
- 2kg
- 2.5kg
- 2500g
- 4l
- 5kg
- 10kg
- 18l
- 25kg
- ManufacturerAK Scientific
- Product number1001AP
- Product description3-MercaptopropylethylsulfideSilica,60~200μmparticlesize
- Packaging5g
- Price$69
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product number042756
- Product descriptionSilica gel, TLC high purity grade without binder
- Packaging5kg
- Price$998
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number042764
- Product descriptionSilica gel, TLC high purity grade with gypsum binder and fluorescent indicator
- Packaging1kg
- Price$366
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number042756
- Product descriptionSilica gel, TLC high purity grade without binder
- Packaging1kg
- Price$278
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number042765
- Product descriptionSilica gel, TLC high purity grade, without binder with fluorescent indicator
- Packaging1kg
- Price$231
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number042739
- Product descriptionSilicon(IV) oxide, amorphous fumed, S.A. 130-170m2/g
- Packaging1kg
- Price$189
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product number043111
- Product descriptionSilicon(IV) oxide, 30% in H2O, colloidal dispersion
- Packaging25kg
- Price$193
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product number042763
- Product descriptionSilica gel, TLC high purity grade with gypsum binder
- Packaging250g
- Price$194
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number042757
- Product descriptionSilica gel 60, with fluorescent indicator, 0.060-0.2mm (70-230 mesh)
- Packaging1kg
- Price$195.65
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number045803
- Product descriptionSilica gel, HPLC grade, spherical, 3 micron APS, 12angstroms 99.99+%
- Packaging5g
- Price$196
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number044101
- Product descriptionSilica gel, spherical, 30angstroms 300 angstroms
- Packaging10g
- Price$163
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number045819
- Product descriptionSilica gel, preparative chromatography grade, spherical, 10 micron APS, 60 angstroms 99.99+%
- Packaging25g
- Price$165
- Updated2023-06-20
- Buy
- ManufacturerAlfa Aesar
- Product number036737
- Product descriptionSilica gel desiccant, indicating, ACS
- Packaging500g
- Price$168
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number044781
- Product descriptionSilicon(IV) oxide, amorphous, nanopowder, 99.9% (metals basis)
- Packaging100g
- Price$185
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number044090
- Product descriptionSilica gel, spherical, 10angstroms 100 angstroms
- Packaging10g
- Price$186
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product number043115
- Product descriptionSilicon(IV) oxide, 40% in H2O, colloidal dispersion
- Packaging1kg
- Price$189
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AK Scientific | 1001AP | 3-MercaptopropylethylsulfideSilica,60~200μmparticlesize | 5g | $69 | 2021-12-16 | Buy |
| Alfa Aesar | 042756 | Silica gel, TLC high purity grade without binder | 5kg | $998 | 2023-06-20 | Buy |
| Alfa Aesar | 042764 | Silica gel, TLC high purity grade with gypsum binder and fluorescent indicator | 1kg | $366 | 2023-06-20 | Buy |
| Alfa Aesar | 042756 | Silica gel, TLC high purity grade without binder | 1kg | $278 | 2023-06-20 | Buy |
| Alfa Aesar | 042765 | Silica gel, TLC high purity grade, without binder with fluorescent indicator | 1kg | $231 | 2023-06-20 | Buy |
| Alfa Aesar | 042739 | Silicon(IV) oxide, amorphous fumed, S.A. 130-170m2/g | 1kg | $189 | 2021-12-16 | Buy |
| Alfa Aesar | 043111 | Silicon(IV) oxide, 30% in H2O, colloidal dispersion | 25kg | $193 | 2021-12-16 | Buy |
| Alfa Aesar | 042763 | Silica gel, TLC high purity grade with gypsum binder | 250g | $194 | 2023-06-20 | Buy |
| Alfa Aesar | 042757 | Silica gel 60, with fluorescent indicator, 0.060-0.2mm (70-230 mesh) | 1kg | $195.65 | 2024-03-01 | Buy |
| Alfa Aesar | 045803 | Silica gel, HPLC grade, spherical, 3 micron APS, 12angstroms 99.99+% | 5g | $196 | 2023-06-20 | Buy |
| Alfa Aesar | 044101 | Silica gel, spherical, 30angstroms 300 angstroms | 10g | $163 | 2023-06-20 | Buy |
| Alfa Aesar | 045819 | Silica gel, preparative chromatography grade, spherical, 10 micron APS, 60 angstroms 99.99+% | 25g | $165 | 2023-06-20 | Buy |
| Alfa Aesar | 036737 | Silica gel desiccant, indicating, ACS | 500g | $168 | 2024-03-01 | Buy |
| Alfa Aesar | 044781 | Silicon(IV) oxide, amorphous, nanopowder, 99.9% (metals basis) | 100g | $185 | 2024-03-01 | Buy |
| Alfa Aesar | 044090 | Silica gel, spherical, 10angstroms 100 angstroms | 10g | $186 | 2021-12-16 | Buy |
| Alfa Aesar | 043115 | Silicon(IV) oxide, 40% in H2O, colloidal dispersion | 1kg | $189 | 2021-12-16 | Buy |
Properties
Melting point :>1600 °C(lit.)
Boiling point :>100 °C(lit.)
bulk density :200-800kg/m3
Density :2.2-2.6 g/mL at 25 °C
vapor pressure :13.3hPa at 1732℃
refractive index :1.46
Flash point :2230°C
storage temp. :2-8°C
solubility :Practically insoluble in water and in mineral acids except hydrofluoric acid. It dissolves in hot solutions of alkali hydroxides.
pka :6.65-9.8[at 20 ℃]
form :suspension
Specific Gravity :2.2
color :White to yellow
PH :5-8 (100g/l, H2O, 20℃)(slurry)
Odor :at 100.00?%. odorless
Resistivity :1∞10*20 (ρ/μΩ.cm)
Water Solubility :insoluble
Sensitive :Hygroscopic
Hydrolytic Sensitivity :6: forms irreversible hydrate
Crystal Structure :Trigonal
Merck :14,8493
Exposure limits :NIOSH: IDLH 3000 mg/m3; TWA 6 mg/m3
Stability :Stable.
CAS DataBase Reference :7631-86-9(CAS DataBase Reference)
IARC :3 (Vol. Sup 7, 68) 1997
NIST Chemistry Reference :Silicon(iv) oxide(7631-86-9)
EPA Substance Registry System :Silica (7631-86-9)
Boiling point :>100 °C(lit.)
bulk density :200-800kg/m3
Density :2.2-2.6 g/mL at 25 °C
vapor pressure :13.3hPa at 1732℃
refractive index :1.46
Flash point :2230°C
storage temp. :2-8°C
solubility :Practically insoluble in water and in mineral acids except hydrofluoric acid. It dissolves in hot solutions of alkali hydroxides.
pka :6.65-9.8[at 20 ℃]
form :suspension
Specific Gravity :2.2
color :White to yellow
PH :5-8 (100g/l, H2O, 20℃)(slurry)
Odor :at 100.00?%. odorless
Resistivity :1∞10*20 (ρ/μΩ.cm)
Water Solubility :insoluble
Sensitive :Hygroscopic
Hydrolytic Sensitivity :6: forms irreversible hydrate
Crystal Structure :Trigonal
Merck :14,8493
Exposure limits :NIOSH: IDLH 3000 mg/m3; TWA 6 mg/m3
Stability :Stable.
CAS DataBase Reference :7631-86-9(CAS DataBase Reference)
IARC :3 (Vol. Sup 7, 68) 1997
NIST Chemistry Reference :Silicon(iv) oxide(7631-86-9)
EPA Substance Registry System :Silica (7631-86-9)
Safety Information
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Description
Used as sodium stabilizing counterion, for preparation of silica catalytic supports. Also used in glass manufacturing, foundry sand casting, metallurgical flux sand, ceramics sand, gas recovery, paint and coatings, filtration sand, chromatographic column treatment, wood treatment, inks, desiccants and powder metal molding. Its is principle gateway in electronic industries.Related product price
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Suppliers and manufacturers
Aladdin Scientific
Hebei Weibang Biotechnology Co., Ltd
Shanghai Domen International Co., Ltd
