From hazard to symbol
Classify the product before selecting artwork.
Meaning
Each pictogram can represent several hazard types.
Precedence
Some symbols may make others unnecessary.
Consistency
Pictogram, signal word and H-statements must agree.
Presentation
Shape, colour and legibility must be correct.
Ingredient example
An ingredient carrying GHS05 does not automatically mean the finished mixture carries GHS05.
Checklist
Classification approved
Precedence applied
Artwork correct
Label consistent
SDS aligned
Common mistakes
×choosing by intuition
×copying supplier artwork
×using obsolete symbols
×ignoring precedence
Frequently asked questions
Does one pictogram identify one hazard?
No. It can cover several classes.
Can a precautionary symbol replace CLP artwork?
No.
Does a general answer validate a specific product?
No. The actual composition, form, supplier data and intended use must be assessed.
Who should approve the result?
A competent person should review the data, method and internal consistency before supply.
Primary sources
Check the current consolidated version and the exact substance or product scope before use.