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215619

Sigma-Aldrich

硅

powder, −325 mesh, 99% trace metals basis

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About This Item

线性分子式:
Si
CAS号:
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

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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相关类别

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)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCP7149
MKCK6629
MKCG5658
MKCF6568
WXBC4454V

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Sigma-Aldrich

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Jaewoo Lee et al.
Journal of nanoscience and nanotechnology, 13(5), 3495-3499 (2013-07-19)
A spin-casting process for fabricating polycrystalline silicon sheets for use as solar cell wafers is proposed, and the parameters that control the sheet thickness are investigated. A numerical study of the fluidity of molten silicon indicates that the formation of
Seungil Park et al.
Journal of nanoscience and nanotechnology, 13(5), 3397-3402 (2013-07-19)
We investigated the thin film growths of hydrogenated silicon by hot-wire chemical vapor deposition with different flow rates of SiH4 and H2 mixture ambient and fabricated thin film solar cells by implementing the intrinsic layers to SiC/Si heterojunction p-i-n structures.
Jae Cheol Shin et al.
Journal of nanoscience and nanotechnology, 13(5), 3511-3514 (2013-07-19)
We have characterized the structural properties of the ternary In(x)Ga(1-x)As nanowires (NWs) grown on silicon (Si) substrates using metalorganic chemical vapor deposition (MOCVD). Au catalyzed vapor-liquid-solid (VLS) mode was used for the NW growth. The density of the In(x)Ga(1-x)As NW
Mariya Nazish Memon et al.
JPMA. The Journal of the Pakistan Medical Association, 62(12), 1329-1332 (2013-07-23)
To evaluate the outcome of nasolacrimal intubation as a primary treatment of congenital nasolacrimal duct obstruction (NLDO) in children up to 4 years of age. During the 3 years period from July 2008 to June 2011, in the Paediatric Ophthalmology
Min Joon Huang et al.
Journal of nanoscience and nanotechnology, 13(6), 3810-3817 (2013-07-19)
In this work, we demonstrated a silicon nanowire (SiNW) biosensing platform capable of simultaneously identifying different Dengue serotypes on a single sensing chip. Four peptide nucleic acids (PNAs), specific to each Dengue serotypes (DENV-1 to DENV-4), were spotted on different
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