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420794

Sigma-Aldrich

LUDOX® SM colloidal silica

30 wt. % suspension in H2O

Synonym(s):
Silica preparation
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
MDL number:
PubChem Substance ID:

Quality Level

description

colloidal

form

liquid

concentration

30 wt. % suspension in H2O

surface area

320-400 m2/g

pH

9.7-10.3

density

1.22 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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General description

contains sodium stabilizing counterion

Application

LUDOX® SM colloidal silica has been used as a model solute to study the rejection behavior of carbon nanotube membranes. It was modified with bis (1(3-trimethoxysilylpropyl)-3-methyl-imidazolium) copper tetrachloride to be used as a catalyst for the preparation of propargylamines.

Packaging

1, 4 L in poly bottle

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

Certificate of Analysis

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Certificate of Origin

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

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