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420778

Sigma-Aldrich

LUDOX® TM-50 colloidal silica

50 wt. % suspension in H2O

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Synonym(s):
Silica preparation
Linear Formula:
SiO2
CAS Number:
7631-86-9
Molecular Weight:
60.08
MDL number:
MFCD00011232
PubChem Substance ID:
24866349
NACRES:
NA.22

description

colloidal

Quality Level

200

form

viscous liquid

concentration

50 wt. % suspension in H2O

surface area

~140 m2/g

pH

9.0

density

1.4 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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1 of 4

This Item
420786420824420840
LUDOX® TM-50 colloidal silica 50 wt. % suspension in H2O

Sigma-Aldrich

420778

LUDOX® TM-50 colloidal silica

LUDOX® TM-40 colloidal silica 40 wt. % suspension in H2O

Sigma-Aldrich

420786

LUDOX® TM-40 colloidal silica

LUDOX® HS-30 colloidal silica 30 wt. % suspension in H2O

Sigma-Aldrich

420824

LUDOX® HS-30 colloidal silica

LUDOX® AS-40 colloidal silica 40 wt. % suspension in H2O

Sigma-Aldrich

420840

LUDOX® AS-40 colloidal silica

form

viscous liquid

form

liquid

form

liquid

form

liquid

concentration

50 wt. % suspension in H2O

concentration

40 wt. % suspension in H2O

concentration

30 wt. % suspension in H2O

concentration

40 wt. % suspension in H2O

surface area

~140 m2/g

surface area

~140 m2/g

surface area

~220 m2/g

surface area

~135 m2/g

pH

9.0

pH

9.0

pH

9.8

pH

9.1

density

1.4 g/mL at 25 °C

density

1.3 g/mL at 25 °C

density

1.21 g/mL at 25 °C

density

1.295 g/mL at 25 °C

General description

LUDOX® TM-50 colloidal silica is an aqueous dispersion of silica particles with intermediate particle size and narrow particle size distribution.

Application

LUDOX® TM-50 colloidal silica can be used:
  • As a silica source to synthesize tetrapropylammonium(TPA)-silicate-1 colloidal particles.
  • As a removable template to prepare mesoporous carbon materials by using a resorcinol-formaldehyde resin as a carbon precursor.
  • As a separation layer to synthesize non-spherical flexible poly(butylacrylate) (PBA) polymer particles by concentrated emulsion polymerization.

Legal Information

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

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Silica

The synthesis of discrete colloidal particles of TPA-silicalite-1.
Persson AE, et al.
Zeolites, 14(7), 557-567 (1994)
Preparation of Pt supported on mesoporous carbons for the reduction of oxygen in polymer electrolyte membrane fuel cell (PEMFC).
Joo JB, et al.
Journal of electroceramics, 17(2-4), 713-718 (2006)
Templating synthesis of non-spherical polymer particles and their effect on the fracture toughness of an epoxy-amine network.
Du Z, et al.
Polymer International, 56(1), 82-87 (2007)
Yaswanth Kuthati et al.
Journal of nanoscience and nanotechnology, 13(4), 2399-2430 (2013-06-15)
The advent of Nanotechnology has paved a way for improved disease treatment strategies, the most noteworthy being the mesoporous silica nanoparticles (MSNs) which have gained much recent attention in the field of cancer therapy and its diagnosis. The flaws of
Graham J Edgar et al.
Nature, 506(7487), 216-220 (2014-02-07)
In line with global targets agreed under the Convention on Biological Diversity, the number of marine protected areas (MPAs) is increasing rapidly, yet socio-economic benefits generated by MPAs remain difficult to predict and under debate. MPAs often fail to reach
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