Questions, answered.

Yes. The Free plan stores up to 200 SDSs with unlimited viewers and a distribution portal — free forever. When paid plans open, Starter ($19/mo) removes the storage cap.

Anyone who just reads a sheet, scans a QR code, or reprints a label. Viewers are free and unlimited on every plan — you only ever pay for locations and authoring seats.

No. Scanning a container QR code or opening your portal link goes straight to the current sheet — no login, no seat, no app.

Yes. The library hosts the sheets you already have from your suppliers — authoring is only for sheets you create yourself.

They're open now. Hosting and reading stay free forever; paid plans are available today on the pricing page, with checkout handled by Paddle.

Two months — annual plans are priced at ten months (e.g. Starter is $19/mo or $190/yr).

Yes — SDS authoring is $79 per SDS, no subscription required, on every plan including Free. Updates are included: republishing a sheet you bought never costs a second purchase. Authoring constantly? Contact us about volume authoring.

Multi-Site includes 5 locations (+$10/site each beyond that). Running many sites? Contact us and we'll arrange a per-site rate.

The U.S. OSHA Hazard Communication Standard (29 CFR 1910.1200) as updated by the May 2024 final rule. We do not currently produce SDSs valid in the EU, UK, Canada, or other GHS jurisdictions — details in the methodology.

From first principles under the GHS rule set adopted by HCS 2024 — ATE additivity, concentration cutoffs and SCLs, and the summation method — with an audit-trail calculation string on every result. The methodology covers each endpoint.

Every classification is stamped with the engine version that produced it. Published sheets are re-checked against the current engine and flagged if a newer rule set would change the result.

Yes — every SDS you purchase and publish includes PDF + Word export and version history, so the sheet is yours to file, print, and archive.