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Merck
CN

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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About This Item

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

~99%

Quality Level

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

Preparation Note

A naturally occurring microcrystalline silica which has been finely ground.

Other Notes

Historically called amorphous.


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pictograms

Health hazard

signalword

Danger

hcodes

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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Shifeng Li et al.
Theranostics, 10(4), 1719-1732 (2020-02-12)
The purpose of this study was to determine the effects of Kinesin family member 3A (KIF3A) on primary cilia and myofibroblast differentiation during silicosis by regulating Sonic hedgehog (SHH) signalling. Methods: Changes in primary cilia during silicosis and myofibroblast differentiation
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
Zhouli Cao et al.
Cell death & disease, 8(12), 3212-3212 (2017-12-15)
Silicosis is characterized by fibroblast accumulation and excessive deposition of extracellular matrix. Although the roles of SiO2-induced chemokines and cytokines released from alveolar macrophages have received significant attention, the direct effects of SiO2 on protein production and functional changes in



Global Trade Item Number

SKUGTIN
S5631-1KG04061836954604
S5631-100G04061836954598
S5631-500G04061835567843