Silicon dioxide
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- $19.65 - $68380
- Product name: Silicon dioxide
- CAS: 7631-86-9
- MF: O2Si
- MW: 60.08
- EINECS:231-545-4
- MDL Number:MFCD00148343
- Synonyms:LICHROSORB SI 100 (10 MYM) 10 G;TLC-SILICA GEL 60 GF254 MEAN PARTICLE SI;LICHROSORB SI 100 (10 MYM) 100 G;SEA SAND EXTRA PURE 5 KG;SILICA GEL 60 GF254 FOR THIN-LAYER CHROM;SILICA GEL 60 PF254 + 366 FOR PREPARATIV;SEA SAND EXTRA PURE 25 KG;SILICA GEL 60 HF254+366 FOR THIN-LAYER C
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- AK Scientific
- American Custom Chemicals Corporation
- Biosynth
- Chem-Impex
- ChemScene
- GFS CHEMICALS
- honeywell
- Oakwood
- Rare Earth Products
- Sigma-Aldrich
- Strem Chemicals
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
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- 1131260500
- 1131265000
- ManufacturerAK Scientific
- Product number1001AP
- Product description3-MercaptopropylethylsulfideSilica,60~200μmparticlesize
- Packaging5g
- Price$69
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberING0003043
- Product descriptionSILICON(IV)OXIDE 95.00%
- Packaging1KG
- Price$6731
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFS32557
- Product descriptionSilicon dioxide
- Packaging5kg
- Price$1812.5
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFS32557
- Product descriptionSilicon dioxide
- Packaging2kg
- Price$928
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFS32557
- Product descriptionSilicon dioxide
- Packaging0.5kg
- Price$362.5
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFS32557
- Product descriptionSilicon dioxide
- Packaging1kg
- Price$580
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFS32557
- Product descriptionSilicon dioxide
- Packaging0.25kg
- Price$217.5
- Updated2026-06-04
- Buy
- ManufacturerChem-Impex
- Product number47209
- Product descriptionSilicon oxide nanopowder (10-20 nm) ≥99.5%(Tracemetalsbasis)
- Packaging1KG
- Price$259.2
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47210
- Product descriptionSilicon oxide nanopowder (Non-porous) (10-20 nm) ≥99.9%(Tracemetalsbasis)
- Packaging1KG
- Price$259.2
- Updated2026-05-19
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- ManufacturerChem-Impex
- Product number47212
- Product descriptionSilicon oxide nanopowder treated with silane coupling agents (10-30 nm) ≥99%(Tarcemetalsbasis)
- Packaging500G
- Price$288.4
- Updated2026-05-19
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- ManufacturerChem-Impex
- Product number47212
- Product descriptionSilicon oxide nanopowder treated with silane coupling agents (10-30 nm) ≥99%(Tarcemetalsbasis)
- Packaging100G
- Price$139.3
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47214
- Product descriptionSilicon oxide nanopowder , modified with epoxy group (10-20 nm) ≥99.8%(beforesurfacetreatment)
- Packaging100G
- Price$158.8
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47218
- Product descriptionSilicon oxide nanopowder , modified with single layer chain (10-20 nm) ≥99.8%(beforesurfacetreatment)
- Packaging100G
- Price$158.8
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47219
- Product descriptionSilicon oxide nanopowder , modified with single layer chain (10-20 nm) ≥99.8%(beforesurfacetreatment)
- Packaging100G
- Price$158.8
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47213
- Product descriptionSilicon oxide nanopowder , modified with amino group (10-20 nm) ≥99.8%(beforesurfacetreatment)
- Packaging100G
- Price$158.8
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number47215
- Product descriptionSilicon oxide nanopowder , modified with double bond (10-20 nm) ≥99.8%(beforesurfacetreatment)
- Packaging100G
- Price$158.8
- Updated2026-05-19
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AK Scientific | 1001AP | 3-MercaptopropylethylsulfideSilica,60~200μmparticlesize | 5g | $69 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | ING0003043 | SILICON(IV)OXIDE 95.00% | 1KG | $6731 | 2021-12-16 | Buy |
| Biosynth | FS32557 | Silicon dioxide | 5kg | $1812.5 | 2026-06-04 | Buy |
| Biosynth | FS32557 | Silicon dioxide | 2kg | $928 | 2026-06-04 | Buy |
| Biosynth | FS32557 | Silicon dioxide | 0.5kg | $362.5 | 2026-06-04 | Buy |
| Biosynth | FS32557 | Silicon dioxide | 1kg | $580 | 2026-06-04 | Buy |
| Biosynth | FS32557 | Silicon dioxide | 0.25kg | $217.5 | 2026-06-04 | Buy |
| Chem-Impex | 47209 | Silicon oxide nanopowder (10-20 nm) ≥99.5%(Tracemetalsbasis) | 1KG | $259.2 | 2026-05-19 | Buy |
| Chem-Impex | 47210 | Silicon oxide nanopowder (Non-porous) (10-20 nm) ≥99.9%(Tracemetalsbasis) | 1KG | $259.2 | 2026-05-19 | Buy |
| Chem-Impex | 47212 | Silicon oxide nanopowder treated with silane coupling agents (10-30 nm) ≥99%(Tarcemetalsbasis) | 500G | $288.4 | 2026-05-19 | Buy |
| Chem-Impex | 47212 | Silicon oxide nanopowder treated with silane coupling agents (10-30 nm) ≥99%(Tarcemetalsbasis) | 100G | $139.3 | 2026-05-19 | Buy |
| Chem-Impex | 47214 | Silicon oxide nanopowder , modified with epoxy group (10-20 nm) ≥99.8%(beforesurfacetreatment) | 100G | $158.8 | 2026-05-19 | Buy |
| Chem-Impex | 47218 | Silicon oxide nanopowder , modified with single layer chain (10-20 nm) ≥99.8%(beforesurfacetreatment) | 100G | $158.8 | 2026-05-19 | Buy |
| Chem-Impex | 47219 | Silicon oxide nanopowder , modified with single layer chain (10-20 nm) ≥99.8%(beforesurfacetreatment) | 100G | $158.8 | 2026-05-19 | Buy |
| Chem-Impex | 47213 | Silicon oxide nanopowder , modified with amino group (10-20 nm) ≥99.8%(beforesurfacetreatment) | 100G | $158.8 | 2026-05-19 | Buy |
| Chem-Impex | 47215 | Silicon oxide nanopowder , modified with double bond (10-20 nm) ≥99.8%(beforesurfacetreatment) | 100G | $158.8 | 2026-05-19 | Buy |
Properties
Melting point :>1600 °C(lit.)
Boiling point :>100 °C(lit.)
Density :2.2-2.6 g/mL at 25 °C
bulk density :200-800kg/m3
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.
form :suspension
pka :6.65-9.8[at 20 ℃]
Specific Gravity :2.2
color :White to yellow
Odor :at 100.00%. odorless
PH :5-8 (100g/l, H2O, 20℃)(slurry)
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.
Cosmetics Ingredients Functions :BULKING
ABSORBENT
OPACIFYING
ABRASIVE
VISCOSITY CONTROLLING
ANTICAKING InChI :1S/O2Si/c1-3-2
InChIKey :VYPSYNLAJGMNEJ-UHFFFAOYSA-N
SMILES :[Si](=O)=O
CAS DataBase Reference :7631-86-9(CAS DataBase Reference)
NIST Chemistry Reference :Silicon(iv) oxide(7631-86-9)
IARC :3 (Vol. Sup 7, 68) 1997
EPA Substance Registry System :Silica (7631-86-9)
ECETOC JACC REPORT :Silicon dioxide (7631-86-9)
Boiling point :>100 °C(lit.)
Density :2.2-2.6 g/mL at 25 °C
bulk density :200-800kg/m3
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.
form :suspension
pka :6.65-9.8[at 20 ℃]
Specific Gravity :2.2
color :White to yellow
Odor :at 100.00%. odorless
PH :5-8 (100g/l, H2O, 20℃)(slurry)
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.
Cosmetics Ingredients Functions :BULKING
ABSORBENT
OPACIFYING
ABRASIVE
VISCOSITY CONTROLLING
ANTICAKING InChI :1S/O2Si/c1-3-2
InChIKey :VYPSYNLAJGMNEJ-UHFFFAOYSA-N
SMILES :[Si](=O)=O
CAS DataBase Reference :7631-86-9(CAS DataBase Reference)
NIST Chemistry Reference :Silicon(iv) oxide(7631-86-9)
IARC :3 (Vol. Sup 7, 68) 1997
EPA Substance Registry System :Silica (7631-86-9)
ECETOC JACC REPORT :Silicon dioxide (7631-86-9)
Safety Information
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| Signal word: | Warning | |||||||||||||||||||||
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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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