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Compliance, regulations, and market access topics.
ArticleChemAbout Editorial Team9 min read
Why Does Dimethyl Disulfide (DMDS) Show Up in Refinery, Farm, and Food-Flavor Supply Chains?
DMDS (CAS 624-92-0) is a refinery catalyst presulfiding agent, an EPA-registered soil fumigant, and a FEMA GRAS flavor compound — three separate regulatory regimes under one CAS number. Here's what buyers need to confirm before sourcing it.
ArticleChemAbout Editorial Team9 min read
1,3-Propane Sultone as a Li-ion Electrolyte Additive: How It Builds the SEI, What Battery Grade Really Means, and the Regulatory Record
1,3-Propane sultone (PS, CAS 1120-71-4) appears in almost every high-voltage or high-temperature Li-ion electrolyte recipe. Grounded in first-principles studies and the current ECHA/CLP record, this article covers how PS builds the SEI before the solvent breaks down, the trace parameters that define battery grade, and the regulatory status of a Category 1B carcinogen on the REACH Candidate List.
ArticleChemAbout Editorial Team4 min read
REACH in 2026: Two New SVHCs and a PFAS Foam Deadline Worth Planning For
ECHA added n-Hexane and BPAF to the REACH Candidate List in February 2026, and the EU's PFAS firefighting-foam restriction hits its first hard deadline in October. Here's what to screen, what to ask suppliers, and which dates to put on your sourcing calendar.
Article4 min read
REACH adds a 2,4-DNT restriction: how one nitrotoluene residue enters the articles compliance boundary
Commission Regulation (EU) 2026/859 adds 2,4-DNT to REACH Annex XVII. The change is narrow but precise: it turns a hazardous substance classification into article-level limits, dates, thresholds and exemptions.
GuideChemAbout Editorial Team8 min read
China’s Hazardous Chemicals Safety Law Is Now in Force: What Chemical Businesses Should Check
China’s Hazardous Chemicals Safety Law has been in force since May 1, 2026. Chemical manufacturers, importers, sellers, buyers, operators, and exporters should review licenses, SDS, labels, registration, and transaction controls.