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
- 1131260500
- 15MG
- 1ML
- 1g
- 2G
- 5g
- 1131265000
- 2ML
- 10g
- 25gm
- 25g
- 50g
- 100gm
- 100g
- 250g
- 500g
- 1000g
- 1kg
- 1l
- 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 number044386
- Product descriptionSilica gel desiccant, -3+8 Mesh Granules
- Packaging1kg
- Price$69.1
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number042782
- Product descriptionSilicon(IV) oxide, amorphous fumed, surface treated, S.A. 205-245m2/g
- Packaging250g
- Price$70.65
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number042737
- Product descriptionSilicon(IV) oxide, amorphous fumed, S.A. 85-115m2/g
- Packaging250g
- Price$71.65
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberL14003
- Product descriptionSilica gel 60, 0.032-0.063mm (230-450 mesh)
- Packaging500g
- Price$71.9
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number042740
- Product descriptionSilicon(IV) oxide, amorphous fumed, S.A. 175-225m2/g
- Packaging250g
- Price$58.65
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number043094
- Product descriptionSilicon(IV) oxide, 30% in Ethylene glycol, colloidal dispersion
- Packaging1kg
- Price$59.65
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number044387
- Product descriptionSilica gel desiccant, -6+12 mesh granules
- Packaging1kg
- Price$59.7
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number089376
- Product descriptionSilicon(IV) oxide, amorphous fumed, S.A. 350-420m2/g
- Packaging250g
- Price$80.7
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number042727
- Product descriptionSilica gel 60, 0.062-0.105mm (150-230 mesh)
- Packaging250g
- Price$84.65
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberL16985
- Product descriptionSilicon(IV) oxide, powder, 0.5 micron, 99.9%
- Packaging25g
- Price$87.6
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number043109
- Product descriptionSilicon(IV) oxide, 50% in H2O, colloidal dispersion
- Packaging5kg
- Price$93.65
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number042783
- Product descriptionSilicon(IV) oxide, amorphous fumed, surface treated, S.A. 105-145m2/g
- Packaging1kg
- Price$94.65
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number042739
- Product descriptionSilicon(IV) oxide, amorphous fumed, S.A. 130-170m2/g
- Packaging250g
- Price$95.2
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product number042729
- Product descriptionSilica gel 60, 0.019-0.037mm (400-600 mesh)
- Packaging250g
- Price$99.6
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product number042756
- Product descriptionSilica gel, TLC high purity grade without binder
- Packaging250g
- Price$102
- Updated2023-06-20
- 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 | 044386 | Silica gel desiccant, -3+8 Mesh Granules | 1kg | $69.1 | 2024-03-01 | Buy |
| Alfa Aesar | 042782 | Silicon(IV) oxide, amorphous fumed, surface treated, S.A. 205-245m2/g | 250g | $70.65 | 2024-03-01 | Buy |
| Alfa Aesar | 042737 | Silicon(IV) oxide, amorphous fumed, S.A. 85-115m2/g | 250g | $71.65 | 2024-03-01 | Buy |
| Alfa Aesar | L14003 | Silica gel 60, 0.032-0.063mm (230-450 mesh) | 500g | $71.9 | 2024-03-01 | Buy |
| Alfa Aesar | 042740 | Silicon(IV) oxide, amorphous fumed, S.A. 175-225m2/g | 250g | $58.65 | 2024-03-01 | Buy |
| Alfa Aesar | 043094 | Silicon(IV) oxide, 30% in Ethylene glycol, colloidal dispersion | 1kg | $59.65 | 2024-03-01 | Buy |
| Alfa Aesar | 044387 | Silica gel desiccant, -6+12 mesh granules | 1kg | $59.7 | 2024-03-01 | Buy |
| Alfa Aesar | 089376 | Silicon(IV) oxide, amorphous fumed, S.A. 350-420m2/g | 250g | $80.7 | 2024-03-01 | Buy |
| Alfa Aesar | 042727 | Silica gel 60, 0.062-0.105mm (150-230 mesh) | 250g | $84.65 | 2024-03-01 | Buy |
| Alfa Aesar | L16985 | Silicon(IV) oxide, powder, 0.5 micron, 99.9% | 25g | $87.6 | 2024-03-01 | Buy |
| Alfa Aesar | 043109 | Silicon(IV) oxide, 50% in H2O, colloidal dispersion | 5kg | $93.65 | 2024-03-01 | Buy |
| Alfa Aesar | 042783 | Silicon(IV) oxide, amorphous fumed, surface treated, S.A. 105-145m2/g | 1kg | $94.65 | 2024-03-01 | Buy |
| Alfa Aesar | 042739 | Silicon(IV) oxide, amorphous fumed, S.A. 130-170m2/g | 250g | $95.2 | 2021-12-16 | Buy |
| Alfa Aesar | 042729 | Silica gel 60, 0.019-0.037mm (400-600 mesh) | 250g | $99.6 | 2024-03-01 | Buy |
| Alfa Aesar | 042756 | Silica gel, TLC high purity grade without binder | 250g | $102 | 2023-06-20 | 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
