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420832

Sigma-Aldrich

LUDOX® AS-30 colloidal silica

30 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:
24866355
NACRES:
NA.22

description

colloidal

Quality Level

100

form

suspension

concentration

30 wt. % suspension in H2O

surface area

~230 m2/g

pH

9.1

density

1.2 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
420840420824420808
LUDOX® AS-30 colloidal silica 30 wt. % suspension in H2O

Sigma-Aldrich

420832

LUDOX® AS-30 colloidal silica

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

Sigma-Aldrich

420840

LUDOX® AS-40 colloidal silica

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

Sigma-Aldrich

420824

LUDOX® HS-30 colloidal silica

LUDOX® LS colloidal silica 30 wt. % suspension in H2O

Sigma-Aldrich

420808

LUDOX® LS colloidal silica

form

suspension

form

liquid

form

liquid

form

viscous liquid

concentration

30 wt. % suspension in H2O

concentration

40 wt. % suspension in H2O

concentration

30 wt. % suspension in H2O

concentration

30 wt. % suspension in H2O

surface area

~230 m2/g

surface area

~135 m2/g

surface area

~220 m2/g

surface area

~215 m2/g

pH

9.1

pH

9.1

pH

9.8

pH

8.2

density

1.2 g/mL at 25 °C

density

1.295 g/mL at 25 °C

density

1.21 g/mL at 25 °C

density

1.21 g/mL at 25 °C

Application

Ammonium stabilizing counterion

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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Proceedings of the National Academy of Sciences of the United States of America, 110(25), 10123-10128 (2013-06-05)
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Crystalline silica is a recognized carcinogen, but the association with lung cancer at lower levels of exposure has not been well characterized. This study investigated the relationship between occupational silica exposure and lung cancer and the combined effects of cigarette
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Analytical scale active flow technology first generation silica monolithic columns kitted out in curtain flow mode of operation were studied for the first time. A series of tests were undertaken assessing the column efficiency, peak asymmetry and detection sensitivity. Two
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