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420786

Sigma-Aldrich

LUDOX® TM-40 colloidal silica

40 wt. % suspension in H2O

Synonym(s):

Silica preparation

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About This Item

Linear Formula:
SiO2
CAS Number:
7631-86-9
Molecular Weight:
60.08
MDL number:
MFCD00011232
UNSPSC Code:
12352309
PubChem Substance ID:
24866350
NACRES:
NA.22

description

colloidal

Quality Level

200

form

liquid

concentration

40 wt. % suspension in H2O

surface area

~140 m2/g

pH

9.0

density

1.3 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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Application

LUDOX® TM-40 colloidal silica has been used:
  • As a colloidal silica template for the synthesis of carbon nanocapsules.
  • In the synthesis of conducting nanocomposite polymer foams (hybrid of carbon black/silica/polymer) used as gas sensors.
  • As a silicon source for the synthesis of Zwitterion-stabilized silica nanoparticles.
  • As a silicon source for the fabrication of transparent superhydrophilic/superhydrophobic silica nanoparticulate thin films.
  • In the synthesis of microporous titanosilicate ETS-10 used as a catalyst in Knoevenagel condensation reaction.

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

420786-VAR:
420786-4L:4548173958071
420786-18L:4548173958057
420786-1L:4548173958064
420786-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV4430
MKCQ9067
MKCQ9068
MKCP5060
MKCM6538

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Conducting nanocomposite polymer foams from ice-crystal-templated assembly of mixtures of colloids
Colard CAL, et al.
Advanced Materials, 21(28), 2894-2898 (2009)
Fabrication and characterization of transparent superhydrophilic/superhydrophobic silica nanoparticulate thin films
Lin Y-H, et al.
Thin Solid Films, 519(16), 5450-5455 (2011)
Selective Fabrication of Carbon Nanocapsules and Mesocellular Foams by Surface-Modified Colloidal Silica Templating
Jang J and Lim B
Advanced Materials, 14(19), 1390-1393 (2002)
Zwitterion-stabilized silica nanoparticles: toward nonstick nano
Estephan ZG, et al.
Langmuir, 26(22), 16884-16889 (2010)
Liquid-phase Knoevenagel reactions over modified basic microporous titanosilicate ETS-10
Goa Y, et al.
J. Catal., 224(1), 107-114 (2004)
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