
On July 1, 2026, ECHA (the European Chemicals Agency) announced the launch of two consultations on proposals for harmonized classification and labeling (CLH), one for Dimethyl Imidazolidinone and the other for Benzyl Benzoate. It also published a new classification intention for Butyrolactone, a fragrance ingredient.
Dimethyl Imidazolidinone
1,3-dimethylimidazolidin-2-one (CAS No.80-73-9, EC No.201-304-8, INCI: Dimethyl Imidazolidinone) s an ingredient listed in the Cosing, with the functions: Hair conditioning, Humectant, Skin conditioning.
The substance is not currently regulated by European Cosmetics Regulation 1223/2009. It is also not currently listed in Annex VI of European CLP Regulation 1272/2008.
The Netherlands proposes to classify the substance as follows.
Identification
Index number
• To be determined
Chemical name
• 1,3-dimethylimidazolidin-2-one
EC number
• 201-304-8
CAS number
• 80-73-9
Classification
Hazard class and Category code(s)
• Repr. 1B
Hazard statement code(s)
• H360FD - May damage fertility. May damage the unborn child.
Labelling
Pictogram, Signal word code(s)
• GSH08
• Dgr (Danger)
Hazard statement code(s)
• H360FD - May damage fertility. May damage the unborn child.
Suppl. Hazard statement Code(s)
• /
Specific concentration limits, M-factors and ATE
• /
Note
/
The ECHA consultation is open until August 28, 2026.
Benzyl Benzoate
Benzyl benzoate (CAS No.120-51-4, EC No.204-402-9, INCI: Benzyl Benzoate) is an ingredient listed in the Cosing, with the functions: Antimicrobial, Solvent, Perfuming.
The substance is …












