84880
Silicon dioxide
purum p.a., acid purified
Synonym(s):
Cristobalite, Quartz, Sand, Silica
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About This Item
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352303
MDL number:
grade
purum p.a.
Quality Level
form
powder or crystals
quality
acid purified
loss
≤0.1% loss on ignition
refractive index
n20/D 1.544 (lit.)
particle size
40-200 mesh
mp
1610 °C (lit.)
density
2.6 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤200 mg/kg
cation traces
Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤100 mg/kg, K: ≤100 mg/kg, Na: ≤200 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
General description
Silicon dioxide is one of the important constituents of sedimentary rock bauxite, basalt fibers and ceramic fibers. It is added to cement for improving the hydraulic properties of cement.
may contain dark particles
Application
Silicon dioxide may be employed in the preparation of calcium silicide.
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
监管及禁止进口产品
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Find documentation for the products that you have recently purchased in the Document Library.
Eagleson M.
Concise Encyclopedia Chemistry, 117-117 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 165-165 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 129-129 (1994)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 84880-1KG | 04061833014349 |
| 84880-500G | 04061833014356 |
| 84880-5KG | 04061833459959 |