GHSLogic blog
Practical, no-fluff guides for SDS authors and formulators — the rules, the math, and the deadlines that actually matter.
June 27, 2026
OSHA's HazCom 2024 rule aligns the HCS with GHS Rev 7. Here's what changed for SDS authors and the new 2026–2028 compliance deadlines after OSHA's January 2026 extension.
Read more →June 27, 2026
AI-based SDS tools are flooding the market. Here's the case for keeping large language models out of the classification verdict path — and what a deterministic engine does instead.
Read more →June 27, 2026
REACH Annex II Section 3, SVHC thresholds, concentration ranges, and the CLP Article 24 alternative chemical name route. What EU SDS authors must disclose — and what they can protect.
Read more →June 27, 2026
A step-by-step guide to GHS mixture classification: the ATEmix additivity formula for acute toxicity, the summation method for aquatic hazards with M-factors, and concentration cut-offs for irritation. With worked examples.
Read more →GHSLogic classifies your mixtures against the published GHS criteria and shows the math behind every result. Try the free calculator, or start a project free.
