Cobalt oxide (II,III) Price — China Factory EXW 2026

Cobalt oxide (II,III) price Spec: China national standards

China EXW, VAT excluded

Newest China EXW USD 14,221.24 / MT · VAT excluded +2214.6018 (18.00%) as of 20210323

Newest Price 14,221.24

Price Date 20210323

Day's Change +2,214.6

Day's Range 14,221.24 - 16,435.84

Month's Change +8,486.73

Month's Range 14,221.24 - 22,707.96

Year's Change -1,778.76

Year's Range 14,221.24 - 16,000

Worth adding that the same crystal field logic explains why Co3O4 resists the distortion seen in Mn3O4. Practically, buyers should treat phase purity and the Co2+/Co3+ ratio as the...

Also known as Co3-O4, Cobalt (+2) cobaltic (+3) oxide, Cobalt oxide (Co3O4), Cobalt Tetroxide

Opinions

Why is Co3O4 a normal spinel while Fe3O4 is inverse, and does it matter for buyers?

Worth adding that the same crystal field logic explains why Co3O4 resists the distortion seen in Mn3O4. Practically, buyers should treat phase purity and the Co2+/Co3+ ratio as the real quality levers, since these shift catalytic selectivity and precursor sintering behavior far more than the nominal spinel classification.

What is driving the price gap between cobalt metal, cobalt oxide and cobalt sulfate?

The premium on Co3O4 over its theoretical metal value is essentially a 3C order-book premium. If smartphone and wearable demand stays flat while ternary keeps shrinking, watch whether that premium narrows. Buyers with flexible formulations may find cobalt sulfate the cheapest cobalt unit, but it cannot substitute where the lithium cobalt oxide route is required.

How is cobalt oxide (II,III) synthesized, and what process parameters affect quality?

The washing step is often underestimated. Residual sulfate or chloride left after filtration shows up as ICP impurities and can distort the Co2+/Co3+ ratio during calcination. Keeping wash water conductivity below 50-100 microsiemens per centimeter is a cheap way to protect phase purity and battery-grade acceptance.

Cobalt oxide (II,III) price context

What drives Cobalt oxide (II,III) prices

Why is Co3O4 a normal spinel while Fe3O4 is inverse, and does it matter for buyers?: Worth adding that the same crystal field logic explains why Co3O4 resists the distortion seen in Mn3O4. Practically, buyers should treat phase purity and the Co...

What is driving the price gap between cobalt metal, cobalt oxide and cobalt sulfate?: The premium on Co3O4 over its theoretical metal value is essentially a 3C order-book premium. If smartphone and wearable demand stays flat while ternary keeps s...

How we assess Cobalt oxide (II,III) price

China factory / mainstream market EXW quotes (VAT excluded where shown) - not a single global public index

Regional and specification detail so buyers can compare like-for-like grades

Landed cost figures from our calculator are planning estimates, not a customs ruling

Overview

Cobalt oxide (II,III) (Co₃O₄, CAS 1308-06-1) is a black, antiferromagnetic solid with a spinel structure, where cobalt exists in both +2 and +3 oxidation states. It is insoluble in water but soluble in acids and alkalis, and serves as a key precursor for lithium-ion battery cathode materials.

Battery materials: a critical precursor for lithium cobalt oxide (LiCoO₂) cathodes used in consumer electronics.
Ceramics & glass: acts as a blue colorant for pottery glazes and glass, substituting for cobalt(II) oxide.
Catalysis: used in CO oxidation, oxygen evolution reaction (OER), and as a catalyst support.
Other applications: employed in gas sensors, magnetic materials, and as a pigment.

China dominates global production, with output concentrated in the lithium-battery supply chain. The material is typically produced via ammonia complexation–precipitation followed by controlled calcination of cobalt salts, hydroxides, or carbonates. Domestic capacity has expanded significantly to meet growing demand from the lithium-ion battery sector, with major producers integrating upstream cobalt refining.

Key domestic producers:
Huayou Cobalt – strategic investor in lithium-battery precursor materials.
Tengyuan Cobalt – global leader in cobalt and copper resource development.
Hunan Yacheng – produces cobalt oxide and lithium iron phosphate precursors.
Hezong Technology – operates cobalt oxide and cobalt hydroxide capacity.

Properties

Name

Cobalt oxide (II,III)

Co3-O4

Cobalt (+2) cobaltic (+3) oxide

Cobalt oxide (Co3O4)

Cobalt Tetroxide

CAS Number

1308-06-1

EINECS No.

215-157-2

Risk Codes

S26;S36/37/39;S45;S36/37;S53;S61;S22

Safety Description

R36/37/38;R40;R43;R49;R50/53;R42;R52/53

HS Code

2822000000

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