GHS Pictograms · Editorial
Compliance Hub
Chemical safety regulations, explained. Deep-dive articles on UN GHS, OSHA HCS, EU CLP, and SDS authoring — with citations, timelines and regional comparisons for compliance professionals.
Regulatory Pillars
Each pillar covers one major regulatory framework. Click through for the full article library.
UN GHS
United Nations Globally Harmonized System
The international foundation for chemical hazard classification and communication, adopted by 80+ countries.
OSHA HCS
OSHA Hazard Communication Standard
US workplace chemical safety regulation aligning with GHS — governs labels and SDS for hazardous chemicals in the United States.
CLP
EU Classification, Labelling and Packaging
European Regulation 1272/2008 implementing GHS for chemicals placed on the EU market — covers Annex VI harmonised classifications and ATP updates.
SDS
Safety Data Sheets
The 16-section document format communicating chemical hazards, safe handling and regulatory status — governed by REACH Annex II in the EU and OSHA HCS Appendix D in the US.
REACH
Registration, Evaluation, Authorisation and Restriction of Chemicals
EU Regulation 1907/2006 governing chemical registration with ECHA, dossier evaluation, authorisation of SVHCs under Annex XIV, and Annex XVII restrictions on the most hazardous substances.
SVHC
Substances of Very High Concern under REACH
Article 57 criteria, Candidate List (253 entries), Annex XIV authorisation, SCIP database, supply-chain obligations.
Recent Articles
Latest publications across all regulatory pillars.
SDS Authoring: How to Write a Safety Data Sheet
How to author a compliant safety data sheet — hazard classification first, the 16-section format, who is qualified to write it, and US (OSHA HCS) vs EU (REACH Annex II) rules.
SDS Management: Compliance Obligations, Retention, and Best Practices
How to manage a compliant SDS library — accessibility, keeping safety data sheets current, retention rules, and manual vs software approaches under OSHA HCS and EU REACH.
MSDS vs SDS: Key Differences and What's Required Today
MSDS vs SDS compared — the legacy Material Safety Data Sheet versus the GHS 16-section Safety Data Sheet, why the format changed, and which one is required in 2026.
Who Needs an SDS? Who Must Provide One and Who Is Exempt
Who needs a safety data sheet and who must provide one — manufacturer, distributor, and employer duties under OSHA HCS and EU REACH, plus the consumer-product, article, and food exemptions.
SCIP Database Notification Guide: Requirements & Process
Complete SCIP database guide for EU suppliers: who must notify, IUCLID submission process, 0.1% threshold, penalties, and the 2025 repeal proposal.
REACH Registration Step-by-Step: 2026 Guide & ECHA Fees
How to register a chemical substance under EU REACH (1907/2006): inquiry, joint submission, IUCLID dossier, ECHA fees under 2025/2067, deadlines.
CLP ATP 22 Changes: Annex VI Updates May 2026
CLP 22nd ATP (Delegated Regulation 2024/2564): 27 new harmonised classifications added to Annex VI. Mandatory from May 1, 2026. Affected substances and impact.
Safety Data Sheet Format: 16 Sections Explained
Walk through every section of a 16-section SDS under UN GHS, OSHA HCS, and REACH 2020/878: what each must include, regional rules, common errors.
UN GHS Rev 11 (2025): All Changes Explained
UN GHS Revision 11 published September 2025: new global warming hazard class, aerosol classification refinements, non-animal sensitization tests, full Rev 10 deltas.
OSHA HCS 2024 Changes: Hazard Communication Final Rule
OSHA HCS 2024 final rule aligned the Hazard Communication Standard with GHS Rev 7. Compliance dates, label changes, SDS updates, deadlines.
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