Merck
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420840

Sigma-Aldrich

LUDOX® AS-40 colloidal silica

40 wt. % suspension in H2O

Synonym(s):
Silica preparation
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
Número MDL:
ID de substância PubChem:

descrição

colloidal

Nível de qualidade

200

forma

liquid

concentração

40 wt. % suspension in H2O

área da superfície

~135 m2/g

pH

9.1

densidade

1.295 g/mL at 25 °C

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Aplicação

Ammonium stabilizing counterion
LUDOX® AS-40 colloidal silica has been used as:
  • As a silica source to develop a porous substrate for constructing thermally responsive gel-infused surface.
  • A silica standard reference material for NMR calibration to determine the surface area of silica particles using solvent relaxation data.
  • A silica source for developing mordenite membranes on porous α-alumina supports via seed-assisted crystallization.

Embalagem

1, 4 L in poly bottle
18 L in poly drum

Informações legais

LUDOX is a registered trademark of W.R. Grace & Co.-Conn.

Código de classe de armazenamento

12 - Non Combustible Liquids

WGK

nwg

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificate of Analysis

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Certificate of Origin

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