84878
Silicon dioxide
purum p.a., acid purified, sand
Synonym(s):
Cristobalite, Quartz, Sand, Silica
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About This Item
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
UNSPSC Code:
12352303
PubChem Substance ID:
EC Number:
238-878-4
MDL number:
grade
purum p.a.
Quality Level
form
sand
quality
acid purified
loss
≤0.1% loss on ignition, 900 °C
refractive index
n20/D 1.544 (lit.)
particle size
40-150 mesh
mp
1610 °C (lit.)
density
2.6 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤100 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: ≤500 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.
Application
Silicon dioxide may be employed in the preparation of calcium silicide.
Analysis Note
metal and chloride traces refer to acid-soluble parts
Disclaimer
may contain dark particles
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Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Find documentation for the products that you have recently purchased in the Document Library.
Eagleson M.
Concise Encyclopedia Chemistry, 165-165 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 117-117 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 129-129 (1994)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 700118-5G | 04061832994598 |
| 700118-1G | 04061826199985 |
| 84878-1KG | 04061833008270 |
| 84878-500G | 04061833014332 |