Potassium carbonate Price — China Factory EXW 2026

Potassium carbonate price Spec: 99.0%;First-grade product;99%｜first-grade product;Domestic

China EXW, VAT excluded

Newest China EXW USD 997.85 / MT · VAT excluded +14.3540 (1.00%) as of 20261024

Newest Price 997.85

Price Date 20261024

Day's Change +14.35

Day's Range 997.85 - 1,012.2

Month's Change -20.9

Month's Range 997.85 - 976.95

Year's Change --

Year's Range --

When sourcing, verify whether the 99.8% figure is 'ignited basis' or 'as-is'—moisture content can vary significantly, especially in humid regions. For glass melting, even small ch...

Also known as alt of wormwood, Carbonate Of Potash, Carbonic acid, dipotassium salt, Carbonicacid,dipotassiumsalt

Opinions

What are the key quality grades and purity standards for potassium carbonate in Chinese industrial markets?

When sourcing, verify whether the 99.8% figure is 'ignited basis' or 'as-is'—moisture content can vary significantly, especially in humid regions. For glass melting, even small chloride impurities cause bubble defects, so request full impurity certificates, not just main content specs.

Why is potassium carbonate more alkaline than sodium carbonate, and how does this affect industrial applications?

For buyers, this solubility difference also means potassium carbonate is more hygroscopic—storage and handling require stricter moisture control. In humid climates, clumping can occur, affecting dosing accuracy in automated production lines. Consider anti-caking additives or sealed silo storage.

How is the potassium carbonate supply-demand balance shifting in China's glass and agrochemical sectors?

Watch the feedstock side too. Potassium carbonate production is tied to caustic potash and CO2 availability. Any volatility in potassium hydroxide pricing directly impacts carbonate margins. Buyers should lock in quarterly contracts rather than spot purchases given the current bifurcation in quality tiers.

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Potassium carbonate price context

What drives Potassium carbonate prices

What are the key quality grades and purity standards for potassium carbonate in Chinese industrial markets?: When sourcing, verify whether the 99.8% figure is 'ignited basis' or 'as-is'—moisture content can vary significantly, especially in humid regions. For glass me...

Why is potassium carbonate more alkaline than sodium carbonate, and how does this affect industrial applications?: For buyers, this solubility difference also means potassium carbonate is more hygroscopic—storage and handling require stricter moisture control. In humid clim...

How we assess Potassium carbonate 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

Potassium carbonate (K₂CO₃, CAS 584-08-7) is a white, hygroscopic, water-soluble salt with a melting point of 891 °C and a density of 2.43 g/mL. It functions as a strong alkali and buffering agent across food, glass, and chemical industries.

Food: acts as an acidity regulator (E501(i)) in meat curing and noodle processing, buffering pH, improving texture, and enhancing flavor stability.
Glass & ceramics: serves as a flux to accelerate melting and reduce melt viscosity in glass production.
Industrial: used in the synthesis of potassium salts, agrochemicals, and as a pH adjuster in various chemical processes.
Electronics: high-purity grades are applied in specialty electronic and optical applications.

China's production landscape spans industrial, food, and electronic grades, with domestic capacity expanding through large-scale integrated lines. High-purity potassium carbonate has historically relied on imports, but domestic producers are now breaking technical barriers to achieve international-grade purity. The market is tied to upstream potassium resources and downstream glass, food, and electronics demand.

Key domestic producers:
Jiangsu Kolod – high-purity and first-grade potassium carbonate for glass and industrial use.
Dayang Biological – expanded capacity for potassium carbonate and potassium bicarbonate.
Salt Lake Industry – integrated producer with potassium hydroxide and potassium carbonate capacity.

Properties

Name

Potassium carbonate

alt of wormwood

Carbonate Of Potash

Carbonic acid, dipotassium salt

Carbonicacid,dipotassiumsalt

CAS Number

584-08-7

EINECS No.

209-529-3

Risk Codes

S26;S36;S37/39

Safety Description

R22;R36/37/38;R20/21/22

HS Code

2836400000

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ChemPriceHub

Potassium carbonate price Spec: 99.0%;First-grade product;99%｜first-grade product;Domestic

Recent market notes

On December 11, the price of high-quality potassium carbonate in Qinghai is 6990 yuan.

12/11 Salt Lake Carbonate Potash is 6500 Yuan.