Testing methods are proprietary for products with MQ100 through MQ300 quality levels, according to the M-Clarity quality program, outlined here: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/m-clarity-program
289744
Cerium oxide
20 wt. % colloidal dispersion in 2.5% acetic acid, 30-50 nm avg. part. size
Sustainability features
Synonym(s):
Cerium dioxide, Cerium(IV) oxide, dispersion
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| Size/SKU | Availability | Price |
|---|---|---|
500 g | Check Cart for Availability | $534.00 |
About This Item
Linear Formula:
CeO2
Molecular Weight:
172.11
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.23
MDL number:
Product Name
Cerium(IV) oxide, dispersion, 20 wt. % colloidal dispersion in 2.5% acetic acid, 30-50 nm avg. part. size
Quality Segment
form
dispersion
composition
CeO2
reaction suitability
reagent type: inorganic catalyst
core: cerium
sustainability
Sustainability features
avg. part. size
30-50 nm
pH
~2.7
viscosity
10 cP(lit.)
density
1.22 g/mL at 25 °C
SMILES string
O=[Ce]=O
InChI
1S/Ce.2O
InChI key
CETPSERCERDGAM-UHFFFAOYSA-N
General description
This product aligns with one or more of the 12 Principles of Green ChemistryThis product is intended for Molecular Solar Thermal Energy Storage Systems (MOST) and has been enhanced for energy efficiency. Click here for more information.
1 of 1
This Item | |
|---|---|
| description 20 wt. % colloidal dispersion in 2.5% acetic acid, 30-50 nm avg. part. size | description 10 wt. % in isopropanol, nanoparticles, <100 nm (DLS), ≥99.9% trace metals basis |
| form dispersion | form nanoparticles, dispersion |
| density 1.22 g/mL at 25 °C | density 0.785 g/mL at 25 °C |
| pH ~2.7 | pH 10±1 |
| greener alternative product characteristics Design for Energy Efficiency | greener alternative product characteristics Design for Energy Efficiency |
| reaction suitability reagent type: catalyst | reaction suitability - |
| avg. part. size 30-50 nm | avg. part. size - |
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Storage Class
10 - Combustible liquids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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"30-50 nm avg. part. size"とありますが、測定方法を教えてください。分散液中のセリアを測定したか、乾燥状態のセリアを測定したかも含めてご開示いただけるとありがたいです。宜しくお願い致します。
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