Baby Safety / Compounds / Dicyclohexyl phthalate

Is Dicyclohexyl phthalate safe for babies and kids?

Very high risk for kids

Infants are highly exposed to Dicyclohexyl phthalate through mouthing of plastic toys, teethers, bottles, and food packaging leachates. Endocrine disruption risk is amplified during critical windows of reproductive and neurological development.

What is dicyclohexyl phthalate?

The IUPAC name is dicyclohexyl benzene-1,2-dicarboxylate.

Also known as: dicyclohexyl benzene-1,2-dicarboxylate, Ergoplast FDC, Unimoll 66, Howflex CP.

IUPAC name
dicyclohexyl benzene-1,2-dicarboxylate
CAS number
84-61-7
Molecular formula
C20H26O4
Molecular weight
330.4 g/mol
SMILES
C1CCC(CC1)OC(=O)C2=CC=CC=C2C(=O)OC3CCCCC3
PubChem CID
6777

Risk for babies

Very high risk

Infants are highly exposed to Dicyclohexyl phthalate through mouthing of plastic toys, teethers, bottles, and food packaging leachates. Endocrine disruption risk is amplified during critical windows of reproductive and neurological development.

Neonates and infants up to 12 months have incomplete blood-brain barrier development, immature Phase I/II metabolic enzymes (particularly CYP3A4, UGT1A1), and higher gastrointestinal permeability. Equivalent doses produce higher internal concentrations and longer residence times.

What to do: Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

Risk for pregnant and nursing people

High risk

Anti-androgenic endocrine disruption during fetal development; phthalate syndrome in animal models; restricted for reproductive toxicity

Regulatory consensus

4 regulatory and scientific bodies have classified Dicyclohexyl phthalate. The classifications differ — that's the data.

AgencyYearClassificationNotes
EU2024Banned in cosmetics (REACH Annex II)
EU REACH2024SVHC — Substance of Very High Concern
US CPSIA2008Restricted in children's products
EDC Assessment2024Suspected endocrine disruptor

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where kids encounter dicyclohexyl phthalate

  • Consumer Productsplasticized PVC, adhesives, coatings, sealants
  • Personal Carenail polish, fragrance (as fixative)

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Dicyclohexyl phthalate:

  • DINCH
    Trade-offs: Alternative plasticizer; compatibility with polymer matrix required; migration rate and toxicological profile of alternative should be assessed; mechanical properties (flexibility, tensile strength) may change.
    Relative cost: 1.2-2×
  • DOTP
    Trade-offs: Alternative plasticizer; compatibility with polymer matrix required; migration rate and toxicological profile of alternative should be assessed; mechanical properties (flexibility, tensile strength) may change.
    Relative cost: 1.2-2×

Frequently asked questions

Is dicyclohexyl phthalate safe for kids?

Infants are highly exposed to Dicyclohexyl phthalate through mouthing of plastic toys, teethers, bottles, and food packaging leachates. Endocrine disruption risk is amplified during critical windows of reproductive and neurological development.

What products contain dicyclohexyl phthalate?

Dicyclohexyl phthalate appears in: plasticized PVC (Consumer products); adhesives (Consumer products); nail polish (Personal care); fragrance (as fixative) (Personal care).

What should I do if my child is exposed to dicyclohexyl phthalate?

Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

Why do regulators disagree about dicyclohexyl phthalate?

Dicyclohexyl phthalate has been classified by 4 agencies including EU, EU REACH, US CPSIA, EDC Assessment, with differing conclusions. Regulators apply different standards of evidence (animal data weighting, exposure-pattern assumptions, epidemiological power thresholds), which is why two scientific bodies can review the same data and reach different conclusions. See the regulatory consensus table on this page for the full picture.

See Dicyclohexyl phthalate in the baby app

Look up products containing dicyclohexyl phthalate, compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (1)

  1. PubChem Compound Database (2026) — database

Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →