Notes from the regulatory front.
Regulatory change analysis, GHS classification deep dives, and what we're learning building AI-native compliance software. To see Valenc on your own documents, get free SDS indexing for up to 100 safety data sheets.
SDS Section 8: Which Exposure Limits Belong on a Safety Data Sheet?
Section 8 may appear straightforward, but preparing it calls for careful work. A U.S. SDS must link the ingredients listed in Section 3 to the relevant exposure limits, engineering controls, and personal protection information.
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Compliance referenceThe November 2027 HazCom Mixtures Deadline: What Data Manufacturers Should Start Gathering Now
The November 19, 2027 mixture deadline is still ahead. The work to start now is collecting clean formulation, supplier, property, and use data so classification and SDS updates do not begin with a data cleanup.
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Compliance referenceSupplier SDS Revised: 7 Downstream Checks Before You Replace the SDS
A new revision date does not tell you what changed. Compare the data first, then decide which product records, classifications, labels, and SDSs need another review.
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Compliance referenceGHS vs DOT Classification: How the Same Product Can Get Different Results
Workplace hazard classification and US DOT classification for transport can use the same product data and still reach different regulatory results.
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Compliance referenceWhy H and P Statements Shouldn't Be Copied Blindly From a Supplier SDS
A supplier SDS provides valuable evidence, but you should not copy its phrases into your own SDS without verification.
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Compliance referenceMexico NOM-018-STPS-2015: what it asks of your safety data sheets
A straightforward guide to Mexico's hazard communication standard: its scope, required contents for a Mexican SDS, and key checks before shipping.
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Compliance reference
MSDS vs SDS: what changed and what to update in your files
MSDS is the old name. SDS is the current one, with a set format. Here is what changed, and how to find the old sheets still sitting in your library.
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Compliance referenceSDS Section 2 Across HazCom, WHMIS, and CLP: What Reviewers Need to Recheck
Section 2 looks standardized across markets. The details are not. Here is what changes in the US, Canada, and the EU.
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Earlier posts
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Same Formula, Different SDS: What Changes Between the US, EU, and Canada?
A 16-section format does not mean you can use the same safety data sheet in all three major markets. -
How to digitize and index a supplier SDS library
Most chemical manufacturers have hundreds of supplier safety data sheets scattered among their inboxes, shared drives, and binders. This guide shows you how to digitize that SDS library so that it becomes data you can search, check, and reuse. -
GHS Bridging Principles for Mixtures: When They Apply
You do not always need to begin with ingredient calculations when classifying an untested chemical mixture. If you have reliable data from a similar tested mixture, a GHS bridging principle may allow you to use that evidence for the new mixture. -
SDS management software: what it is and where indexing fits
SDS management software (safety data sheet management software) keeps your safety data sheets organized, current and easy to find. What "management" means depends on who you are. A downstream user needs every supplier SDS available to workers during each shift. A chemical manufacturer also authors its own SDSs and holds structured data about the raw materials behind them. Both start from the same place: the SDS PDF has to become data. -
OSHA HazCom Standard: What It Means for SDS and Label Authoring
The OSHA HazCom standard is the Hazard Communication Standard (HCS), 29 CFR 1910.1200. If you are a US chemical manufacturer writing safety data sheets (SDSs) and labels, it asks three things of you: classify each chemical you produce or import (subject to the exemptions in paragraph (b)), put six defined elements on the label, and send a 16-section SDS downstream. -
SDS authoring services vs. software: how to choose
If you manufacture chemicals in the US with a small or mid-size team, you have three options for managing SDSs: hire an external authoring firm, use SDS authoring software, or combine both approaches. -
Multilingual SDS authoring software for regulatory teams: what to look for
Effective multilingual SDS authoring software should: generate all language versions from a single classified product record, use standard phrases from a controlled library rather than ad hoc translations, and require human approval before publication. This guide is intended for regulatory teams at chemical manufacturers, particularly small and mid-size US companies that operate in multiple markets or plan to do so. -
Best SDS authoring software for small and medium chemical companies: 7 tools compared
Compare 7 SDS authoring software tools for small and medium chemical manufacturers: deployment, chemical management integration, regions, languages and pricing. -
HCS 2024 compliance checklist
OSHA updated the Hazard Communication Standard in 2024, then extended the compliance dates by four months in January 2026. What changed, the dates that apply now, and a checklist of what a chemical manufacturer needs to update. -
Why classification can't be a guess
Every SDS tool now says it has AI. That makes the real question harder to ask: where exactly is the AI allowed to make decisions? Here's where we draw the line, and why classification sits on the other side of it.
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