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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%

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

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Linkage

Historically called amorphous.

Preparation Note

A naturally occurring microcrystalline silica which has been finely ground.

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_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


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