84880
二氧化硅
purum p.a., acid purified
别名:
方石英, 石英, 砂石, 硅石
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关于此项目
线性分子式:
SiO2
化学文摘社编号:
分子量:
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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存储类别
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
监管及禁止进口产品
此项目有
Eagleson M.
Concise Encyclopedia Chemistry, 196-196 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 117-117 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 165-165 (1994)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 84880-5KG | 04061833459959 |
| 84880-500G | 04061833014356 |
| 84880-1KG | 04061833014349 |