Baby Safety / Compounds / Perfluoroisobutylene (PFIB)

Is Perfluoroisobutylene (PFIB) safe for babies and kids?

Context-dependent for kids

Infants accumulate Perfluoroisobutylene (PFIB) through breast milk (bioconcentration), placental transfer, and dust ingestion. Persistent pollutants concentrate in fatty tissues with extended half-lives in developing organisms.

What is perfluoroisobutylene (pfib)?

The IUPAC name is 1,1,3,3,3-pentafluoro-2-(trifluoromethyl)prop-1-ene.

Also known as: 1,1,3,3,3-pentafluoro-2-(trifluoromethyl)prop-1-ene, Perfluoroisobutylene, Octafluoroisobutylene, PFIB.

IUPAC name
1,1,3,3,3-pentafluoro-2-(trifluoromethyl)prop-1-ene
CAS number
382-21-8
Molecular formula
C4F8
Molecular weight
200.03 g/mol
SMILES
C(=C(F)F)(C(F)(F)F)C(F)(F)F
PubChem CID
61109

Risk for babies

Context-dependent

Infants accumulate Perfluoroisobutylene (PFIB) through breast milk (bioconcentration), placental transfer, and dust ingestion. Persistent pollutants concentrate in fatty tissues with extended half-lives in developing organisms.

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

Context-dependent

Perfluoroisobutylene (PFIB) persists in maternal adipose tissue and is mobilized during pregnancy and lactation. Lipophilic pollutants concentrate in breast milk and cross the placenta during critical developmental windows.

Suspected reproductive toxicant (GHS H361) or suspected endocrine disruptor. Precautionary approach warranted. Animal studies or limited human data suggest developmental toxicity potential.

What to do: Minimize exposure during pregnancy and lactation. Consult healthcare provider regarding specific risks. Consider alternative products with lower hazard profiles.

Regulatory consensus

1 regulatory bodyhas classified Perfluoroisobutylene (PFIB).

AgencyYearClassificationNotes
Unknown——

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 perfluoroisobutylene (pfib)

  • Industrial Facilities — Manufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational Environments — Factories, Warehouses, Transportation vehicles

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Perfluoroisobutylene (PFIB):

  • Exposure reduction (environmental contaminant)
    Trade-offs: Removes 95-99% of dissolved contaminants including metals, PFAS, nitrates; wastes 2-4 gallons per gallon produced (improving with newer systems); removes beneficial minerals; $0.05-0.25/gallon; requires pre-treatment for longevity.
    Relative cost: 1.2-2×

Frequently asked questions

Is perfluoroisobutylene (pfib) safe for kids?

Infants accumulate Perfluoroisobutylene (PFIB) through breast milk (bioconcentration), placental transfer, and dust ingestion. Persistent pollutants concentrate in fatty tissues with extended half-lives in developing organisms.

What products contain perfluoroisobutylene (pfib)?

Perfluoroisobutylene (PFIB) appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

What should I do if my child is exposed to perfluoroisobutylene (pfib)?

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.

See Perfluoroisobutylene (PFIB) in the baby app

Look up products containing perfluoroisobutylene (pfib), compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (4)
  1. OSHA: Perfluoroisobutylene (PFIB) Safety Data (2010) — regulatory
  2. Acute pulmonary edema following PTFE fume exposure in humans (1990) — journal
  3. Pet bird mortality from PTFE pyrolysis products — toxicology and prevention (2005) — journal
  4. NIOSH: Polymer Fume Fever and PTFE Decomposition Hazards (2008) — government

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 →