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COMPANY RESEARCH / MRK.DE

Merck KGaA

Sigma-Aldrich helium-3 gas (99.95 atom %)

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Where it fits in a quantum computer

Its Sigma-Aldrich catalog lists helium-3 gas at 99.95 atom % isotopic enrichment and 99.9% chemical purity, ‘produced by Sigma-Aldrich’ and available in industrial and pre-pack quantities with pricing on request; related listings run from 99.8 to 99.9999 atom %.

What the evidence establishes

Upstream enabler

Disclosed: Merck KGaA’s Sigma-Aldrich product page lists helium-3 gas for sale; its use in quantum computers is not established.

Materials, isotopes, gases, substrates, equipment or foundry capacity behind quantum-computer components. This is not a component supplier role or an established quantum revenue stream.

Component roleSigma-Aldrich helium-3 gas (99.95 atom %)
EvidenceDisclosed: Merck KGaA’s Sigma-Aldrich product page lists helium-3 gas for sale; its use in quantum computers is not established.
How we knowDisclosed The company’s own filing, release, annual report, product page or investor record describes the quantum-computing role. Where customers are unnamed, the listing says so.
Primary sourceMerck KGaA — supporting disclosure
Company or official disclosure; vendor claims are attributed to their source.
Checked. This is the research review date, not the source publication or quote time.

Keep in perspective

The catalog page does not name the source of the gas or mention cryogenics or quantum use, and Merck does not report helium-3 sales. Helium-3 is a catalog item within a large healthcare, life-science and electronics group.

Diversified business exposure. This describes the breadth or role of the business; it is not an investment rating. A quantum-computing product, design-in or partnership does not by itself establish material quantum revenue, market share, or future returns.

Connections to the assembly

These links explain the technology relationship. The model is illustrative and does not represent an actual manufacturer’s bill of materials.

Helium-3 mixture

The helium-3/helium-4 mixture that the dilution unit runs on, and the tank that stores it when the refrigerator is warm. Helium-3 is a rare isotope made mainly by tritium decay.

Scope of the company links: Helium-3 comes almost entirely from decaying tritium. The U.S. DOE Isotope Program sells helium-3 separated during tritium processing at the Savannah River Site, Ontario Power Generation’s Laurentis Energy Partners has extracted it from tritium stored at the Darlington CANDU station since 2021, and Russian government stocks were historically the other main source. Air Liquide distributes Laurentis’s helium-3 under a long-term agreement and sells it at over 99.9% isotopic purity for dilution refrigerators, Linde offers helium-3 among its isotopes, and Merck KGaA’s Sigma-Aldrich lists it in its catalog. Private Interlune has signed agreements to supply Bluefors, Maybell and the DOE from 2028 with helium-3 it plans to recover from the Moon and, with its Cold Capture process, from terrestrial helium. Cambridge Isotope Laboratories (Otsuka) lists no helium-3, and BWXT’s Kinectrics built an extraction skid but does not sell the gas.

Related research

Companies with overlapping sector exposure. Their products and evidence may differ; this is not a list of equivalent investments.

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