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47232 Cerium(IV) oxide, 20% in H2O, nanoparticle dispersion, low pH, <5.0nm APS Number Weighted

CAS Number
Cerium dioxide in water at low pH

Stock No. Size Price ($) Quantity Availability
47232-22 100g 174.00
47232-36 500g 647.00
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Cerium(IV) oxide, 20% in H2O, nanoparticle dispersion, low pH, <5.0nm APS Number Weighted


Chemical Properties

Formula Weight
Storage & Sensitivity
Ambient temperatures.
Very low water solubility (<0.123 ?g/L at 20°C) and soluble in concentrated mineral acid.


The addition of CeO2 to CuO/TiO2 increases specific surface area and inhibits sintering and pore size growth at high temperatures. It is used as an additive in glass industry. Cerium dioxide is mainly used as such or in formulation as a high precision polishing agent for glass products, as catalyst or catalyst support. Polishing and decolorizing glass; opacifier in vitreous enamels and photo chromic glasses; heat-resistant alloy coatings; as a cracking catalyst; as a catalyst for automobile emission control; in ceramic coatings; in phosphors; in cathodes; in capacitors; in semiconductors; in refractory oxides; gemstone polishing, as raw material for the production of glass and ceramics as well as additives in paints and varnishes .


Product of Cerion, LLC. For technical information, or to purchase commercial quantities, Customers may contact Cerion directly at

Literature References

Toshiyuki Masui.; Kazuyasu Fujiwara.; Ken-ichi Machida and Gin-ya Adachi.; Takao Sakata and Hirotaro Mori. Characterization of Cerium(IV) Oxide Ultrafine Particles Prepared Using Reversed Micelles. Chem. Mater.1997,9(10), 2197-2204.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H318-H360FD

Causes skin irritation. Causes serious eye damage. May damage fertility. Suspected of damaging the unborn child. May damage fertility. May damage the unborn child.

Precautionary Statements: P201-P202-P264b-P281-P302+P352-P305+P351+P338-P308+P313-P310-P332+P313-P362-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wash face, hands and any exposed skin thoroughly after handling Use personal protective equipment as required. IF ON SKIN: Wash with plenty of soap and water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Get medical advice/attention. Immediately call a POISON CENTER or doctor/physician. If skin irritation occurs: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code


  • 47240

    Cerium(IV) oxide, 20% in H<sub>2</sub>O, nanoparticle dispersion, high pH, <5.0nm APS Number Weighted
  • 47241

    Iron(III) hydroxide, 20% in H<sub>2</sub>O, nanoparticle dispersion, low pH, <5.0nm APS Number Weighted
  • 47280

    Silver chloride, 4.9% in H<sub>2</sub>O, nanoparticle dispersion, <200nm APS Number Weighted
  • 47283

    Cerium iron oxide, 20% in H<sub>2</sub>O, nanoparticle dispersion, low pH, <5.0nm APS Number Weighted

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