Medium concernPlasticizer
Diisodecyl phthalate
PhthalateEndocrine disruptor
What it is
A high-molecular-weight branched phthalate similar to DINP.
What it does
Plasticizer in PVC cable insulation, car interiors, and some flexible plastics.
Why it’s a concern
EPA's 2024 TSCA evaluation found unreasonable risk for female workers of reproductive age under six occupational DIDP conditions. The other 43 assessed conditions represented about 99% of production volume and did not significantly contribute. Food contact, cosmetics, and medical devices were excluded.
Also known as
DIDP
CAS numbers
26761-40-068515-49-1
Commonly found in
car interiorscablesvinyl products
Safer alternatives
- DINCH
- bio-based plasticizers
Related chemical families
Sources
- EU REACH Annex XVII