Narrative:

On walk around; first officer noticed six 5-gallon metal drums being loaded in the fwd cargo pit with the words 'perfluoro alcohol made in china'; painted on the drums in white letters. The ramp personnel; when asked if we would receive dg (dangerous goods) paperwork for this shipment of alcohol; answered yes. I called dispatch (who immediately reached out to cargo and dg safety); and explained that we weren't being given any dg paperwork for the alcohol; only paperwork for some dry ice that we had already been notified about. I then received an ACARS message asking me to contact ZZZ operations. I explained the situation and was told that a cargo supervisor would come out. We reiterated that we needed paperwork for the alcohol drums that had been loaded. With departure time approaching; operations advised that since they couldn't provide us with any information about the drums marked alcohol; the drums would be pulled off of the flight. The drums were removed and we departed ZZZ. At no time did I refuse carriage of the cargo; just clarification of the content of the drums marked perfluoro alcohol and proper dg notification; if required. I still don't have clarification as to whether or not this should have been classified as dg and I applaud the first officer for being so observant.

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Original NASA ASRS Text

Title: B-737 Captain reported refusing Dangerous Goods due to incomplete Hazmat documentation.

Narrative: On walk around; First Officer noticed six 5-gallon metal drums being loaded in the fwd cargo pit with the words 'PERFLUORO ALCOHOL Made in China'; painted on the drums in white letters. The ramp personnel; when asked if we would receive DG (dangerous goods) paperwork for this shipment of alcohol; answered yes. I called Dispatch (who immediately reached out to cargo and DG safety); and explained that we weren't being given any DG paperwork for the alcohol; only paperwork for some dry ice that we had already been notified about. I then received an ACARS message asking me to contact ZZZ operations. I explained the situation and was told that a cargo supervisor would come out. We reiterated that we needed paperwork for the alcohol drums that had been loaded. With departure time approaching; operations advised that since they couldn't provide us with any information about the drums marked alcohol; the drums would be pulled off of the flight. The drums were removed and we departed ZZZ. At no time did I refuse carriage of the cargo; just clarification of the content of the drums marked PERFLUORO ALCOHOL and proper DG notification; if required. I still don't have clarification as to whether or not this should have been classified as DG and I applaud the F/O for being so observant.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.