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Key Documents

S5631

Sigma-Aldrich

Silicon dioxide

~99%, 0.5-10 μm (approx. 80% between 1-5 μm)

Synonym(s):

Sand, white quartz, Quartz, Silicon dioxide

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About This Item

Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
SB.52

Assay

~99%

form

powder

particle size

0.5-10 μm (approx. 80% between 1-5 μm)

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Linkage

Historically called amorphous.

Preparation Note

A naturally occurring microcrystalline silica which has been finely ground.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

STOT RE 1 Inhalation

Target Organs

Lungs

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Alida Kent et al.
Journal of tropical medicine, 2013, 324140-324140 (2013-11-07)
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Haijun Liu et al.
Particle and fibre toxicology, 13(1), 55-55 (2016-10-27)
Silicosis is characterized by accumulation of fibroblasts and excessive deposition of extracellular matrix. Monocyte chemotactic protein-1-induced protein 1 (MCPIP1) plays a critical role in fibrosis induced by SiO2. However, the details of the downstream events of MCPIP1 activity in pulmonary
Jian-Feng Li et al.
Plant methods, 6(1), 1-1 (2010-02-26)
Research in plant molecular biology involves DNA purification on a daily basis. Although different commercial kits enable convenient extraction of high-quality DNA from E. coli cells, PCR and agarose gel samples as well as plant tissues, each kit is designed
Outi Leppäranta et al.
American journal of respiratory cell and molecular biology, 48(4), 448-455 (2012-12-22)
Idiopathic pulmonary fibrosis (IPF) is a progressive lung disease with a poor prognosis and very few therapeutic options. On the molecular level, patients with IPF have increased amounts of the bone morphogenetic protein (BMP) inhibitor gremlin in their lungs, which
Haijun Liu et al.
Cell death & disease, 8(3), e2657-e2657 (2017-03-10)
Following inhalation into the lungs, silica particles are engulfed by alveolar macrophages, which triggers endogenous or exogenous apoptosis signaling pathways. As an inducer of apoptosis, the role of BBC3/PUMA (BCL2-binding component 3) in macrophages during silicosis remains unknown. Here, we

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