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Merck

274739

Sigma-Aldrich

50-70 mesh particle size

别名:

白石英砂, 二氧化硅, 石英

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About This Item

线性分子式:
SiO2
CAS号:
分子量:
60.08
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NB.24

agency

suitable for EPA 1613

品質等級

形狀

granular

顏色

white

粒徑

50-70 mesh

SMILES 字串

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI 密鑰

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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一般說明

沙子通常被称为二氧化硅,被用作塑料、合成橡胶、催化剂载体、化学传感器、粘合剂、农药、纸张、油漆、涂料、密封剂或绝缘材料的前体、填料、添加剂或加工助剂。

應用

在醛类、1,3-二羰基化合物、脲类或硫脲类的三组分缩合反应中,砂子和花岗岩可作为催化剂,生成 3,4-二氢嘧啶酮和 3,4-二氢嘧啶硫酮。
适用于色谱

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

nwg

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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