{"data":{"id":"us/49-cfr-173.198","jurisdiction":"us","citation":"49 CFR 173.198","heading":"Nickel carbonyl.","body":"(a) Nickel carbonyl must be packed in specification steel or nickel cylinders as prescribed for any compressed gas except acetylene. A cylinder used exclusively for nickel carbonyl may be given a complete external visual inspection instead of the pressure test required by § 180.205 of this subchapter. Visual inspection must be in accordance with CGA Pamphlet C-6 (IBR, see § 171.7 of this subchapter).\n(b) Packagings for nickel carbonyl must conform to § 173.40.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS","PART 173—SHIPPERS—GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS","Subpart E—Non-bulk Packaging for Hazardous Materials Other Than Class 1 and Class 7"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"b69ea33e70809f8317b9283f1c8fbda5353f0ac1db052609f32d26a4769a14fb","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-173.197","next":"us/49-cfr-173.199"},"notice":"GroundRules: Original legal text. Not legal advice."}