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Pigments & Colorants

Erbium oxide

CAS: 12061-16-4

Overview

Erbium oxide (CAS 12061-16-4 ), also known as erbia, is a rare earth oxide used primarily as a pink-to-rose colorant and dopant material across specialty manufacturing sectors.

Its stable coloring properties and optical characteristics make it a sought-after input for glass, ceramics, and advanced material formulations for industrial applications.

In cosmetics and personal care, erbia functions as a pigment in mineral makeup, eyeshadow, and blush formulations where a soft pink hue is required for the final product.

Glass and specialty optical manufacturers incorporate it to impart a distinctive rose tint to decorative glassware, lenses, and glazes used in high-end manufacturing processes.

In printing inks and packaging coatings, erbium oxide contributes color stability in specialty pigment blends requiring inorganic rare earth colorants for durability and performance.

The textile and paper industries use it in dyeing auxiliaries and specialty coatings where conventional organic colorants are unsuitable for high-temperature or chemically aggressive conditions.

Erbium oxide is supplied as a fine powder, typically in high-purity grades ranging from 99% to 99.999% (5N), with purity tier being the primary specification buyers evaluate.

Technical and research grades are the most commonly traded forms, with particle size specifications available for application-specific requirements and bulk industrial procurement needs.

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Physical Properties

Melting Point2430 °C (cubic)
Boiling Point3000°C
Density8.64 g/cm³
Appearancepink powder
Colorrose
Formnanopowder
Water Solubilityinsoluble
Vapor Pressure0Pa at 25℃

Trade & Regulatory

HS Code28469019
Storage Class11 - Combustible Solids
WGK (Germany)2

Other Names

erbia | Erbium oxide (Er2O3) | Erbium sesquioxide | Dierbium trioxide | Erbium(3+) oxide | Erbium trioxide

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Chemical Properties

CAS Number
12061-16-4
EC Number
235-045-7
Mol. Weight
-
HS Code
28469019

Industries

Documentation