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Merck

S5631

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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All Photos(4)

About This Item

Linear Formula:
SiO2
CAS Number:
14808-60-7
Molecular Weight:
60.08
NACRES:
SB.52
PubChem Substance ID:
329824458
UNSPSC Code:
12352300
EC Number:
238-878-4
MDL number:
MFCD00011232

Product Name

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

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

InChI

1S/O2Si/c1-3-2

SMILES string

O=[Si]=O

assay

~99%

form

powder

particle size

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

Quality Level

200

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Other Notes

Historically called amorphous.

Preparation Note

A naturally occurring microcrystalline silica which has been finely ground.

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H372

Hazard Classifications

STOT RE 1 Inhalation

target_organs

Lungs

Storage Class

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

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Certificates of Analysis (COA)

Lot/Batch Number
0000518768
0000518767
0000518767
0000518768
0000513970

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Alida Kent et al.
Journal of tropical medicine, 2013, 324140-324140 (2013-11-07)
Cutaneous leishmaniasis (CL) is an emerging disease in Suriname, with at least 200 cases per year. Little is known about the biology of CL in the country. The most important parasite species is Leishmania Viannia guyanensis, but possible vectors and
Yan Liu et al.
Respiratory research, 18(1), 38-38 (2017-02-23)
Myofibroblasts play a major role in the synthesis of extracellular matrix (ECM) and the stimulation of these cells is thought to play an important role in the development of silicosis. The present study was undertaken to investigate the anti-fibrotic effects
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
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
Haijun Liu et al.
American journal of physiology. Lung cellular and molecular physiology, 310(2), L121-L132 (2015-11-27)
Silicosis is a systemic disease caused by inhaling silicon dioxide (SiO2). Phagocytosis of SiO2 in the lungs initiates an inflammatory cascade that results in fibroblast proliferation and migration followed by fibrosis. According to previous data from our laboratory, monocyte chemotactic
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