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420808

LUDOX® LS colloidal silica

30 wt. % suspension in H2O

Synonym(s):

Silica preparation

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Size/SKUAvailabilityPrice
1 L

Estimated to ship onSeptember 07, 2026fromMILWAUKEE

$72.00
4 L

Available to ship TODAYfromMILWAUKEE

$203.00

About This Item

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

$72.00


Estimated to ship onSeptember 07, 2026Details


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description

colloidal

Quality Segment

form

viscous liquid

concentration

30 wt. % suspension in H2O

surface area

~215 m2/g

pH

8.2

density

1.21 g/mL at 25 °C

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Application

sodium stabilizing counterion

Legal Information

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

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This Item
420794420875420816
description

30 wt. % suspension in H2O

description

30 wt. % suspension in H2O

description

30 wt. % suspension in H2O

description

40 wt. % suspension in H2O

surface area

~215 m2/g

surface area

320-400 m2/g

surface area

198-250 m2/g

surface area

~220 m2/g

form

viscous liquid

form

liquid

form

liquid

form

viscous liquid

pH

8.2

pH

9.7-10.3

pH

8.6-9.3

pH

9.8

density

1.21 g/mL at 25 °C

density

1.22 g/mL at 25 °C

density

1.21 g/mL at 25 °C

density

1.3 g/mL at 25 °C

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

100

concentration

30 wt. % suspension in H2O

concentration

30 wt. % suspension in H2O

concentration

30 wt. % suspension in H2O

concentration

40 wt. % suspension in H2O


pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Aquatic Chronic 3 - Skin Sens. 1

Storage Class

12 - Non Combustible Liquids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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



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Questions

  1. What is the smallest size of the silica particles?

    1 answer
    1. The Ludox products have an average particle size range of 7nm to 22nm. Please see the Ludox product comparison table below:

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