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Chemical safety reference · EU CLP + US OSHA

Chemical safety reference data — and the free tools that use it.

109 substance safety reports with computed storage-compatibility verdicts, GHS/CLP classification tools and the full pictogram library. Cited sources, no registration.

14

Free tools

109

SDS substance reports

4,178

Substances, CLP Annex VI

9

Pictograms, free SVG

7

Compliance pillars

Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

01 · Tools

Working tools, not calculators that dodge the answer.

14 free tools. Two of them do work no other public tool does — a per-substance storage verdict and full acute-toxicity classification of mixtures.

Signature tool Computed verdicts

Chemical Storage Compatibility Matrix

Pick a substance and read the verdict per hazard group: never store together, keep separate, or compatible — with the reaction risk named.

Oxidizers

Never store

Oxidizing acids

Never store

Bases

Keep separate

Flammable solids

Compatible

Extract from the live matrix — verdicts computed from CLP Annex VI and CAMEO reactivity data.

Open the matrix →
Classification

ATE Mixture Calculator

Acute toxicity estimate for a formulation across oral, dermal and inhalation routes under GHS/CLP — with category, H-statements, pictogram and a printable report.

RouteATE mixCategory

Oral

250 mg/kg

Acute Tox. 3

Dermal

750 mg/kg

Acute Tox. 3

Inhalation, vapour

7.5 mg/l

Acute Tox. 3

Worked example: methanol 40 % w/w in water — CLP additivity formula, converted point estimates from H301 · H311 · H331. Result: Danger, GHS06.

Open the calculator →

The other twelve — labelling, transport and reference

All 14 tools →

9 per-pictogram calculators

One per hazard class — enter your data, get the category and label elements.

02 · SDS Library

109 substance reports, each with a storage verdict you won't find in a PDF.

Harmonised CLP Annex VI classification with cited sources, EU supplementary hazards, ADR transport data — and an honest hand-off to the supplier's official SDS.

Browse the library →
SubstanceCASClassificationStorage verdictADR
Acetone 67-64-1 Flam. Liq. 2 · Eye Irrit. 2 · STOT SE 3 Never with oxidizers UN1090 · 3 · II
Sulfuric acid 7664-93-9 Skin Corr. 1A Never with bases UN1830 · 8 · II
Hydrogen peroxide 7722-84-1 Ox. Liq. 1 · Acute Tox. 4 · Skin Corr. 1A Never with flammables UN2014 · 5.1 · II

§ 02 · Hazards

Classification and label elements, per source article.

§ 07 · Storage verdict

Computed segregation, not copied boilerplate.

§ 14 · Transport

UN number, class, packing group, ADR plates.

§ 16 · Limits

What we don't cover, and where to get it.

Reference tables — the data every calculation on this site rests on

All P-codes →

03 · Compliance Hub

Seven regulatory pillars, written for the person who has to sign off.

In-depth guides on the frameworks that decide your label, your SDS and your storage plan — EU and US, kept current.

Who uses this

EHS managers

Segregation plans and storage-class decisions for the chemical store.

Lab managers

Fast per-substance checks before a delivery goes on the shelf.

Chemists & formulators

Mixture classification and the label that follows from it.

Transport compliance

Workplace GHS against ADR/DOT placards, side by side.

GHS01–GHS09, free SVGs, and the substance behind each one.

The original library, still here: every pictogram with its hazard classes, print notes and a free SVG download — cross-linked to 4,178 classified substances.

Search 4,178 substances →

Get the free GHS / CLP / OSHA deadline calendar

Verified 2026–2029 compliance dates in one PDF — plus alerts when the rules change.