| Identification | Back Directory | [Name]
SILICA | [CAS]
10279-57-9 | [Synonyms]
SIO2
SAND
silic
SILEX
DAVISIL
SIO2/SI
BLUE GEL
DESICCANT
CELITE(R)
BAKER SAND
KIESELGUHR
SILICA TLC
SILICA 3-6
SULFO SAND
SULPHO SAND
SILICA 7-12
QUARTZ SAND
SILICA NO 2
SILICA SAND
SILICA GELS
SILICA NO 1
DAVISIL(TM)
SILICA 0-63
H-Magadiite
NATRASORB T
FUMED SILICA
SILICA 10-18
SILICA 12-26
SILICA 18-32
SILICA 32-63
SILICA GEL 7
SILICA F-TLC
SILICA G-TLC
SILICA GEL G
SILICAR CC-4
SAND, OTTAWA
SAND, SILVER
Carbon white
SILICA 32-100
SILICA 63-100
SILICA 63-200
SILICON OXIDE
SILICA GF-TLC
SILICA GEL 22
SILICA GEL 40
SILICA GEL 7G
SILICA GEL 30
SILICA GEL 60
CAB-O-SIL M-5
SYTON(R) HT-50
SILICA 100-200
SILICA 200-500
SILICA GEL 100
SILICA GEL 120
AEROSIL(R) 200
SILICA,HYDRATED
SILICA STANDARD
SILICAGEL LC60A
SILICA GEL 60 G
SILICA GEL 60 H
MP SILICA G-TLC
BLUE SILICA GEL
SILICA 3-6, 100
CAB-O-SIL(R) M-5
INFUSORIAL EARTH
SILICA 7-12, 100
SILICA GEL BEADS
SILICA GEL 60 XP
SILICAGEL LC100A
SILICA GEL RUBIN
SILICA GEL WHITE
LICHROSORB(R) 60
SILICIC ANHYDRIDE
POLYGOSIL(R) 60-7
SILICA GEL 60-C18
SILICA 32-63, 100
SILICA 18-32, 100
SILICA 10-18, 100
POLYGOSIL(R) 60-5
PHARMPREP(R) 60 CC
PHOSPHOROUS SILICA
BLUE GEL DESICCANT
POLYGOSIL(R) 100-5
POLYGOSIL(R) 100-7
POLYGOSIL(R) 300-7
POLYGOSIL(R) 60-10
SILICON (IV) OXIDE
SILICA 63-200, 100
SAND, WHITE QUARTZ
POLYGOPREP(R) 60-12
POLYGOPREP(R) 60-20
POLYGOPREP(R) 60-30
POLYGOPREP(R) 60-50
POLYGOPREP(R) 60-80
POLYGOSIL(R) 1000-7
POLYGOSIL(R) 100-10
TLC SILICA GEL 60 H
SILICA GEL 60 HF254
SILICA 100-200, 100
SILICA GEL 60 GF254
1343-98-2silicicacid
ORANGE GEL DESICCANT
POLYGOPREP(R) 100-12
POLYGOPREP(R) 100-20
POLYGOPREP(R) 100-30
POLYGOPREP(R) 100-50
POLYGOPREP(R) 100-80
POLYGOPREP(R) 300-12
POLYGOPREP(R) 300-20
POLYGOPREP(R) 300-30
POLYGOPREP(R) 300-50
POLYGOPREP(R) 60-130
SILICA GEL DESICCANT
Silicon oxide SiO2
POLYGOPREP(R) 1000-12
POLYGOPREP(R) 1000-20
POLYGOPREP(R) 1000-30
POLYGOPREP(R) 1000-50
POLYGOPREP(R) 100-130
ILICA GEL 2,5 MM BLEU
SILICIUM DIOXIDE BEADS
SILICA GEL-BEADS ORANGE
TLC SILICA GEL 60 GF254
SILICA GEL 60H (TYPE60)
SILICA GEL 60 SILANIZED
SILICA GEL 60G (TYPE60)
Silica,hydrate(8CI,9CI)
silica$EINECS 600-358-3
coloidal silicon dioxide
GEDURAN(R) SILICA GEL 60
DESICCANT NON-INDICATING
SILICA WITH FLUORESCENCE
PRECIPITATED SILICIC ACID
DRYING AGENT SILICA GEL PS
SILICA GEL PS DRYING AGENT
SILICA, AMORPHOUS HYDRATED
Silicondioxide,formingfilmc
SILICA GEL 60HF254 (TYPE60)
SILICA GEL 60GF254 (TYPE60)
SILICA, ANALYTICAL STANDARD
LUDOX(R) LS COLLOIDAL SILICA
SilicicAcidPrecipitatedDried
LUDOX(R) CL COLLOIDAL SILICA
SILICA GEL (DAVISIL) SORBENT
LUDOX(R) TMA COLLOIDAL SILICA
LUDOX(R) CL-X COLLOIDAL SILICA
SILICA GEL DESICCANT, BLUE GEL
LUDOX(R) HS-30 COLLOIDAL SILICA
LUDOX(R) HS-40 COLLODIAL SILICA
LUDOX(R) AM-30 COLLOIDAL SILICA
LUDOX(R) AS-30 COLLOIDAL SILICA
LUDOX(R) AS-40 COLLOIDAL SILICA
LUDOX(R) SM-30 COLLOIDAL SILICA
SILICA GEL SELF INDICATING BLUE
LUDOX(R) TM-40 COLLOIDAL SILICA
LUDOX(R) TM-50 COLLOIDAL SILICA
SILICA GEL DESICCANT, ORANGE GEL
ACID WASHED STANDARD SUPER-CEL NF
TIANFU-CHEM CAS:10279-57-9 SILICA
White carbon black,combustion method
Hydrated Silica, Pharmaceutical Grade
SilicicAcidForUseInLipidChromatography
SILICIC ACID PRECIPITATED EXTRA PURE HEA
SILICIC ACID PRECIPITATED EXTRA PURE LIG
MICRO PARTICLES BASED ON SILICIUM DIOXIDE
SILICA GEL TEL-TALE DESICCANT, INDICATING
BEADS BASED ON SILICIUM DIOXIDE, MICROSIZE
Silicic acid precipitated extra pure heavy.
SilicicAcid(100-200Mesh-UseInLipidChromatogr.
SILICON DIOXIDE, HEXAMETHYLDISILAZINE TREATED
Silicic acid precipitated extra pure light DAB.
SILICON DIOXIDE, OCTAMETHYLCYCLOTETRASILOXANE TREATED
SULFOSUCCINIMIDYL 2-(M-AZIDO-O-NITROBENZAMIDO)-ETHYL-1,3'-DITHIOPROPIONATE
SULPHOSUCCINIMIDYL 2-(3-AZIDO-2-NITROBENZAMIDO)-ETHYL-1,3'-DITHIOPROPIONATE | [EINECS(EC#)]
600-358-3 | [Molecular Formula]
H2O3Si | [MDL Number]
MFCD00011232 | [MOL File]
10279-57-9.mol | [Molecular Weight]
78.1 |
| Chemical Properties | Back Directory | [Melting point ]
1610 °C(lit.)
| [Boiling point ]
>100 °C(lit.)
| [bulk density]
60-600kg/m3 | [density ]
2.6 g/mL at 25 °C(lit.)
| [refractive index ]
n20/D 1.544(lit.)
| [storage temp. ]
no restrictions. | [form ]
tablets (~0.5 g each)
| [Water Solubility ]
Insoluble in water. | [Exposure limits]
NIOSH: IDLH 3000 mg/m3; TWA 6 mg/m3 | [InChI]
InChI=1S/O2Si.H2O/c1-3-2;/h;1H2 | [InChIKey]
LRCFXGAMWKDGLA-UHFFFAOYSA-N | [SMILES]
[Si](=O)=O.O | [EPA Substance Registry System]
Silica, hydrate (10279-57-9) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
48/20 | [Safety Statements ]
22 | [WGK Germany ]
3
| [RTECS ]
VV7340000
| [F ]
3 | [HS Code ]
2811 22 00 | [Toxicity]
LD50 orally in Rabbit: > 10000 mg/kg LD50 dermal Rabbit > 5000 mg/kg |
| Hazard Information | Back Directory | [Uses]
Typical properties: S.A.250m^2/gSilicon oxide is used as a catalyst support material having a high surface area. It acts as a medium to which catalyst is affixed. Several metals such as platinum, rhodium, ruthenium, silver, copper, nickel, iron, manganese, cobalt, tungsten and gold are supported over silicon dioxide and used as a catalyst in synthetic chemistry for various applications. For example, silica-supported gold catalysts is used for carbon monoxide oxidation by a solution-based technique. |
| Questions And Answer | Back Directory | [Structure]
Silica glass is a continuous network of corner-sharing SiO4 tetrahedra where each oxygen bridges two tetrahedra (i.e. only Q4 speciation). However, a more complex system might contain 75% Q3 (tetrahedra with one free non-bridging oxygen) and 25% Q2 (two non-bridging oxygens). For silica glasses, the first diffraction peak, Q1, has been associated with intermediate-range ordering with a periodicity of 2π/Q1 ~ 6 ?. This ordering beyond the first few nearest neighbour tetrahedra arises from the boundaries between successions of cages comprising a 3-D covalent network structure. Therefore, the position and shape of the first sharp diffraction peak Q1 can provide information on different-sized ring distributions within the material. The second diffraction peak at position Q2 has been linked to chemical or extended range ordering with a periodicity of 2π/Q2 ~ 3 ?, and the local Si–O–Si and O–Si–O bond-angle distributions can persist to distances as large as > 5 ?.
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