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Diethyl carbonate Price Information Spec: N/A

Newest Price 1,238.26

Price Date 20261023

Day's Change +0.28

Day's Range 1,238.26 - 1,238.54

Month's Change -2.01

Month's Range 1,238.26 - 1,236.25

Year's Change +115.19

Year's Range 1,238.26 - 1,123.07

Opinions

What are the main applications and market growth prospects for diethyl carbonate?

Beyond batteries, keep an eye on DEC's role in green chemistry—it can replace phosgene in carbonylation reactions, a regulatory advantage. However, overcapacity in China's low-end segment could pressure margins, so differentiation via battery-grade or pharmaceutical-grade purity is essential for sustainable profitability.

What is driving the recent price surge for diethyl carbonate in China?

Watch the feedstock spread closely. DEC producers using the PC/DMC transesterification route benefit most when DMC prices rise faster than ethanol costs. Buyers should lock in Q3 volumes early, as inventory restocking ahead of peak battery season tends to amplify spot volatility.

Latest News

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on Oct 16, 2026

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on Oct 15, 2026

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on Jul 16, 2026

Cost-side weakness negates the bullish impact of planned maintenance, and phenol prices have retreated from their highs.

on Jun 16, 2026

Ethanol market sees sluggish supply and demand, with prices expected to remain stable to weak in the near term.

on Jun 05, 2026

ChemPriceHub Reminder: Adjustment in Production Capacity of Shida Shenghua's DMC Technical Renovation Project

on Feb 10, 2026

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Overview

Diethyl carbonate (DEC, CAS 105-58-8) is a colorless, transparent liquid with a faint odor, a density of 0.975 g/mL, a melting point of -43 °C, and a boiling point of 126–128 °C. It is insoluble in water but miscible with most organic solvents, serving as a key solvent and intermediate in organic synthesis.

Electrolyte solvents: used as a high-purity solvent in lithium-ion battery electrolytes, requiring water content below 50 ppm.
Industrial solvents: dissolves resins, oils, nitrocellulose, and cellulose ethers.
Organic synthesis: acts as an intermediate in pharmaceutical and chemical manufacturing.
Lithium battery recycling: present in wastewater streams from battery recycling, requiring removal for water reuse.

China's production landscape is dominated by battery-grade and industrial-grade DEC, with capacity expansions tied to lithium-ion battery supply chains. Manufacturing routes involve carbonate processes, and the market is shifting toward higher-purity grades for energy storage applications.

Key domestic producers:
Shida Shenghua – food and pharmaceutical grade.
Haike Xinyuan – pharmaceutical excipient grade.
Wanhua Chemical (Penglai) – planning to convert a DMC unit to produce propylene glycol.
Weiyuan Co. – active in new materials and energy-related operations.

Properties

Name: Diethyl carbonate

Anti-TGF β1, C-Terminal antibody produced in rabbit

Carbonic acid diethyl ester

diaphyseal dysplasia 1

Diethyl carbote
CAS Number: 105-58-8
EINECS No.: 203-311-1
Risk Codes: S26;S36;S45;S16;S23
Safety Description: R23/24/25;R36/37/38;R10
HS Code: 2920902000

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