Pet Safety / Compounds / R-227ea (1,1,1,2,3,3,3-Heptafluoropropane / HFC-227ea)

Is R-227ea (1,1,1,2,3,3,3-Heptafluoropropane / HFC-227ea) safe for dogs and cats?

Moderate risk for pets

Service animals or pets in protected spaces at risk during discharge. Smaller lung capacity relative to gas volume.

What is r-227ea (1,1,1,2,3,3,3-heptafluoropropane / hfc-227ea)?

Also known as: SCHEMBL1051779.

CAS number
431-89-0
Molecular formula
C3HF7
Molecular weight
170.03 g/mol
SMILES
C1COCCN1C(=O)CN(CCN(CCN(CC(=O)N2CCOCC2)CC(=O)[O-])CC(=O)[O-])CC(=O)[O-].[Ga+3]
PubChem CID
71786

Risk for dogs

Moderate risk

Service animals or pets in protected spaces at risk during discharge. Smaller lung capacity relative to gas volume.

Risk for cats

Moderate risk

Same concern as dogs. Cats in server rooms or protected spaces.

Regulatory consensus

5 regulatory and scientific bodies have classified R-227ea (1,1,1,2,3,3,3-Heptafluoropropane / HFC-227ea). The classifications differ — that's the data.

AgencyYearClassificationNotes
KIGALI AMENDMENT—Subject to HFC phase-down
EU F GAS—GWP>2500 — subject to restrictions. Fire suppression exempted from some provisions due to safety criticality
EPA SNAP—Acceptable substitute for Halon 1301 in total flooding applications
NFPA 2001—Listed clean agent — design, installation, and maintenance standards
FDA—Approved as MDI propellant for pharmaceutical use

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 pets encounter r-227ea (1,1,1,2,3,3,3-heptafluoropropane / hfc-227ea)

  • Fire Suppression — FM-200 clean agent systems — data centers, server rooms, museums, archives, military, telecom
  • Pharmaceutical — Metered-dose inhaler (MDI) propellant for asthma/COPD medications
  • Aerosol — Specialty aerosol applications
  • Refrigeration — Minor use in some refrigerant blends

Safer alternatives

Lower-risk approaches that achieve a similar outcome to R-227ea (1,1,1,2,3,3,3-Heptafluoropropane / HFC-227ea):

  • FK-5-1-12 (Novec 1230)
    Trade-offs: Direct chemical substitution requires verification that the replacement does not introduce new hazards (regrettable substitution). Conduct full hazard assessment of proposed alternative before adoption.
    Relative cost: 1.2-2×
  • Inert gas systems (IG-541, IG-55)
    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×
  • Water mist
    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 r-227ea (1,1,1,2,3,3,3-heptafluoropropane / hfc-227ea) safe for pets?

Service animals or pets in protected spaces at risk during discharge. Smaller lung capacity relative to gas volume.

What products contain r-227ea (1,1,1,2,3,3,3-heptafluoropropane / hfc-227ea)?

R-227ea (1,1,1,2,3,3,3-Heptafluoropropane / HFC-227ea) appears in: FM-200 clean agent systems — data centers, server rooms, museums, archives, military, telecom (Fire Suppression); Metered-dose inhaler (MDI) propellant for asthma/COPD medications (Pharmaceutical); Specialty aerosol applications (Aerosol).

Why do regulators disagree about r-227ea (1,1,1,2,3,3,3-heptafluoropropane / hfc-227ea)?

R-227ea (1,1,1,2,3,3,3-Heptafluoropropane / HFC-227ea) has been classified by 5 agencies including KIGALI AMENDMENT, EU F GAS, EPA SNAP, NFPA 2001, FDA, 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 R-227ea (1,1,1,2,3,3,3-Heptafluoropropane / HFC-227ea) in the pets app

Look up products containing r-227ea (1,1,1,2,3,3,3-heptafluoropropane / hfc-227ea), compare to alternatives, and explore the full data record.

Open in pets View raw API data

Sources (1)
  1. — expert_curation

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 →