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Merck

420794

LUDOX® SM colloidal silica

30 wt. % suspension in H2O

Synonym(s):

Silica preparation

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About This Item

Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352309
MDL number:
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description

colloidal

Quality Level

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

General description

contains sodium stabilizing counterion

LUDOX® SM colloidal silica is used in the synthesis of propargylamines.

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.

Legal Information

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


Storage Class

12 - Non Combustible Liquids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified



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