Dimethylcyclosiloxane mixture (DMC) Price Chart & Market Analysis 2026

Dimethylcyclosiloxane mixture (DMC) Price Information Spec: ≥99.5%｜first-grade product;Xingfa / First-grade Product / Mass Fraction 99.5%;99.5%｜first-grade product;Market reference price

Newest Price 2,356.33

Price Date 20261022

Day's Change +265.3

Day's Range 2,356.33 - 2,621.63

Month's Change -47.06

Month's Range 2,063.55 - 2,016.49

Year's Change +286.46

Year's Range 2,029.28 - 1,742.82

Opinions

How does China's DMC capacity concentration affect downstream buyers' procurement strategy?

Downstream buyers should consider contract flexibility—index-linked pricing or longer-term agreements with major producers—to hedge against spot volatility. Also, watch export trends: China exported 546,000 tons of silicone intermediates in 2024, up 19.3% year-on-year, which tightens domestic availability and can push local prices higher even when global demand softens.

What are the key downstream demand segments for DMC and their growth outlook?

Beyond traditional uses, watch specialty applications like D5 in cosmetics and D4 in personal care, which are growing faster but from a smaller base. Also, the shift toward higher-purity DMC (cyclosiloxane content above 99.5%) for advanced electronics and medical uses could create premium pricing opportunities, rewarding producers who invest in refining capacity.

What drove DMC prices to a 10-year high in 2021, and what does it signal for 2025?

The 2021 spike was a classic supply-demand squeeze, but note the structural shift: China's silicone intermediate capacity grew nearly 20% annually from 2021 to 2024, reaching about 3.45 million tons. This expansion, plus rising exports (546,000 tons in 2024), suggests future price spikes may be shorter-lived unless industrial silicon costs or environmental policy tighten again.

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Overview

Dimethylcyclosiloxane mixture (DMC, CAS 69430-24-6) is a colourless, low-odour liquid composed of cyclic siloxanes such as D3, D4, and D5. It is a key intermediate in the organosilicon chain, used to produce silicone polymers via ring-opening polymerisation.

Industrial: raw material for silicone rubber, silicone oil, and silicone resin production.
Electronics: used for insulation and moisture-proofing of radio components and electronic parts.
Analytical: employed as a surface deactivator for glass capillary columns in gas chromatography.
Construction & automotive: feeds downstream sealants and high-temperature vulcanised rubber.

China is the world's largest DMC producer, with capacity concentrated among a few large firms and output growing steadily. The market is broadly balanced between domestic consumption and exports, with prices sensitive to upstream metal-silicon costs and downstream demand cycles.

Key domestic producers:
Jiangxi Xinghuo – major DMC capacity, high operating rates.
Xinan Chemical – top-tier DMC producer.
Dow Corning (Zhangjiagang) – large-scale DMC facility.
Hoshine Silicon Industry – integrated silicon and organosilicon operations.
Sanyou Chemical – mixed methylcyclosiloxane product line.

Properties

Name

Dimethylcyclosiloxane mixture (DMC)

CAS Number

69430-24-6

HS Code

2931900000

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