MilliporeSigma
All Photos(2)

806765

Sigma-Aldrich

Silica

mesoporous, 3 μm particle size, pore size ~2 nm

Synonym(s):
Porous Silica, Silicon dioxide
Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Assay

99.9% trace metals basis

Quality Level

form

mesoporous
powder

particle size

3 μm

pore size

0.1-0.3 cm3/g pore volume
~2 nm pore size

surface area

900-1100 m2/g

bp

2230 °C (lit.)

mp

>1600 °C (lit.)

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

1 of 4

This Item
806951806900806587
Silica mesoporous, 3 μm particle size, pore size ~2 nm

Sigma-Aldrich

806765

Silica

Silica mesoporous, 3 μm particle size, pore size ~4 nm

Sigma-Aldrich

806951

Silica

Silica mesoporous, 2 μm particle size, pore size ~4 nm

Sigma-Aldrich

806900

Silica

Silica mesoporous, 2 μm particle size, pore size ~2 nm

Sigma-Aldrich

806587

Silica

assay

99.9% trace metals basis

assay

99.9% trace metals basis

assay

99.9% trace metals basis

assay

99.9% trace metals basis

form

mesoporous, powder

form

mesoporous, powder

form

mesoporous, powder

form

mesoporous, powder

particle size

3 μm

particle size

3 μm

particle size

2 μm

particle size

2 μm

mp

>1600 °C (lit.)

mp

>1600 °C (lit.)

mp

>1600 °C (lit.)

mp

>1600 °C (lit.)

pore size

0.1-0.3 cm3/g pore volume

pore size

0.2-0.4 cm3/g pore volume, ~4 nm pore size

pore size

0.2-0.4 cm3/g pore volume, ~4 nm pore size

pore size

0.1-0.3 cm3/g pore volume, ~2 nm pore size

surface area

900-1100 m2/g

surface area

300-400 m2/g

surface area

300-400 m2/g

surface area

900-1100 m2/g

Application

Mesoporous silicas are inorganic materials having porous structures and find applications in chromatography, catalysis, drug delivery and imaging.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

(enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service