Merck
All Photos(1)

84878

Sigma-Aldrich

Silicon dioxide

purum p.a., acid purified, sand

Synonym(s):
Quartz, Silica, Cristobalite, Sand
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
Número EC:
Número MDL:
ID de substância PubChem:

Nível de qualidade

200

grau

purum p.a.

forma

sand

qualidade

acid purified

perda

≤0.1% loss on ignition, 900 °C

índice de refração

n20/D 1.544 (lit.)

tamanho de partícula

40-150 mesh

pf

1610 °C (lit.)

densidade

2.6 g/mL at 25 °C (lit.)

traços de ânion

chloride (Cl-): ≤100 mg/kg

traços de cátion

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤100 mg/kg
K: ≤500 mg/kg
Na: ≤200 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Descrição geral

Silicon dioxide is one of the important constituents of sedimentary rock bauxite, basalt fibers and ceramic fibers. It is added to cement for improving the hydraulic properties of cement.

Aplicação

Silicon dioxide may be employed in the preparation of calcium silicide.

Atenção

may contain dark particles

Nota de análise

metal and chloride traces refer to acid-soluble parts

Código de classe de armazenamento

13 - Non Combustible Solids

WGK

nwg

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

More Documents

SDS

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service