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215619

Sigma-Aldrich

硅

powder, −325 mesh, 99% trace metals basis

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About This Item

線性公式:
Si
CAS號碼:
7440-21-3
分子量：:
28.09
EC號碼:
231-130-8
MDL號碼:
MFCD00085311
分類程式碼代碼:
12141911
PubChem物質ID:
24852908
NACRES:
NA.23

品質等級

100

化驗

99% trace metals basis

形狀

powder

粒徑

−325 mesh

bp

2355 °C (lit.)

mp

1410 °C (lit.)

密度

2.33 g/mL at 25 °C (lit.)

SMILES 字串

[Si]

InChI

1S/Si

InChI 密鑰

XUIMIQQOPSSXEZ-UHFFFAOYSA-N

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相關類別

一般說明

硅粉是精细的灰色粉末。这款硅粉经过325目大小筛分，即粉末颗粒小到可以通过孔径约为44 mil（1 mil=千分之一英寸）的筛子。 硅是一种化学元素，为坚硬易碎的银灰色固体，具有高耐化学侵蚀性和高熔点。硅是地壳第二大丰富元素，存在于多种矿物中。

應用

硅可用作 锂离子电池的负极(anode)材料。

可用于制造Al2O3-C 耐火材料。 硅粉可制成β-Sialon晶须， 赋予耐火材料高温强度、 抗渣性和抗热震性。

硅粉可掺入高密度聚乙烯(HDPE)高分子复合材料，增强复合材料的热稳定性和热导率。

象形圖

Flame
GHS02

訊號詞

Warning

危險聲明

H228

危險分類

Flam. Sol. 2

儲存類別代碼

4.1B - Flammable solid hazardous materials

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)

從最近期的版本中選擇一個：

分析證明 (COA)

Lot/Batch Number
MKCP7149
MKCK6629
MKCG5658
MKCF6568
WXBC4454V

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