Chlorodifluoromethane and chloropentafluoroethane mixture or Refrigerant gas R 502 with fixed boiling point, with approximately 49 percent chlorodifluoromethane

Table row: 823
Proper shipping name: Chlorodifluoromethane and chloropentafluoroethane mixture or Refrigerant gas R 502 with fixed boiling point, with approximately 49 percent chlorodifluoromethane
Hazard class: 2.2
UN / NA number: UN1973
Label codes: ["2.2"]
Special provision codes: ["T50"]
Packaging exceptions (49 CFR 173.***): 306
Non-bulk packaging (49 CFR 173.***): 304
Bulk packaging (49 CFR 173.***): 314, 315
Quantity limit, passenger aircraft or rail: 75 kg
Quantity limit, cargo aircraft only: 150 kg
Stowage location (column 10A): A
Is forbidden: false

Source

eCFR Versioner full XML — 49 CFR Part 172, HMT — Office of the Federal Register / NARA · Cleared for reuse
Read from https://www.ecfr.gov/api/versioner/v1/full/2026-10-07/title-49.xml?part=172 (49 CFR § 172.101 HMT, data row 823)
Federal government regulatory text; GPO public-domain policy applies to government work; inspect third-party material separately — terms