Baby Safety / Compounds / R-23 (Trifluoromethane / HFC-23)

Is R-23 (Trifluoromethane / HFC-23) safe for babies and kids?

Moderate risk for kids

Infants are more vulnerable to R-23 (Trifluoromethane / HFC-23) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

What is r-23 (trifluoromethane / hfc-23)?

Also known as: TRIFLUOROMETHANE, Fluoroform, 75-46-7, Carbon trifluoride.

CAS number: 75-46-7
Molecular formula: CHF3
Molecular weight: 70.01 g/mol
SMILES: C(F)(F)F
PubChem CID: 6373

Risk for babies

Moderate risk

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

Pregnancy alters the metabolism and distribution of R-23 (Trifluoromethane / HFC-23), potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

No specific reproductive toxicity data identified, but pregnancy-specific safety data is limited for most chemicals. Precautionary minimization of exposure is recommended.

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

Regulatory consensus

5 regulatory and scientific bodies have classified R-23 (Trifluoromethane / HFC-23). The classifications differ — that's the data.

Agency	Year	Classification
KIGALI AMENDMENT	—	Subject to HFC phase-down (highest priority due to extreme GWP)
EU F GAS	—	GWP>2500 — banned in new stationary refrigeration equipment. Byproduct emissions from HCFC-22 production must be destroyed
KYOTO PROTOCOL	—	Listed as one of 6 categories of greenhouse gases
EPA GHG REPORTING	—	Mandatory reporting for facilities emitting >25,000 MT CO2e/yr
MONTREAL PROTOCOL	—	Byproduct destruction mandated under HCFC-22 phase-out provisions

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 r-23 (trifluoromethane / hfc-23)

Ultra Low Temp — Pharmaceutical freezers (-80°C), blood banks, vaccine cold chain
Semiconductor — Semiconductor fabrication chamber cleaning and etching
Fire Suppression — Clean agent fire suppression (Halon replacement) in data centers and telecom facilities
Research — Environmental testing chambers, cryogenic applications
Byproduct — Unwanted byproduct of R-22 (HCFC-22) manufacturing

Safer alternatives

Lower-risk approaches that achieve a similar outcome to R-23 (Trifluoromethane / HFC-23):

R-508B (R-23/R-116 blend replacements)
Trade-offs: Zero point-of-use emissions; shifts emissions to power generation (grid-dependent); lower operating cost; higher capital cost; infrastructure requirements (charging, grid capacity); rapidly improving economics.

Relative cost: 1.2-2×
Cascade CO2 systems
Trade-offs: Zero point-of-use emissions; shifts emissions to power generation (grid-dependent); lower operating cost; higher capital cost; infrastructure requirements (charging, grid capacity); rapidly improving economics.

Relative cost: 1.2-2×
Stirling coolers
Trade-offs: Labor-intensive; effective for small-scale or precision applications; no chemical residues; not scalable to large commercial operations without significant cost increase.

Relative cost: 1.2-2×

Frequently asked questions

Is r-23 (trifluoromethane / hfc-23) safe for kids?

What products contain r-23 (trifluoromethane / hfc-23)?

R-23 (Trifluoromethane / HFC-23) appears in: Pharmaceutical freezers (-80°C), blood banks, vaccine cold chain (Ultra Low Temp); Semiconductor fabrication chamber cleaning and etching (Semiconductor); Clean agent fire suppression (Halon replacement) in data centers and telecom facilities (Fire Suppression).

What should I do if my child is exposed to r-23 (trifluoromethane / hfc-23)?

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 r-23 (trifluoromethane / hfc-23)?

R-23 (Trifluoromethane / HFC-23) has been classified by 5 agencies including KIGALI AMENDMENT, EU F GAS, KYOTO PROTOCOL, EPA GHG REPORTING, MONTREAL PROTOCOL, 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-23 (Trifluoromethane / HFC-23) in the baby app

Look up products containing r-23 (trifluoromethane / hfc-23), compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (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 →