B737 Undifferentiated or Other Model
Flight Crew Air Transport Pilot (ATP); Flight Crew Commercial; Flight Crew Instrument; Flight Crew Multiengine
Flight Crew Last 90 Days 355; Flight Crew Type 355
Deviation / Discrepancy - Procedural Hazardous Material Violation; Deviation / Discrepancy - Procedural Published Material / Policy; Deviation / Discrepancy - Procedural FAR
General None Reported / Taken
Procedure; Human Factors
In the climb we received ACARS from Dispatch asking if we had received NOTAC from ZZZ Ops. We were advised by Dispatch that we should have received NOTAC from ZZZ for Company HAZMAT (three O2 bottles) onboard. We hadn't and were unaware that we had Company HAZMAT onboard.
B737 Captain reported being advised during flight by Dispatch of HAZMAT on board. No HAZMAT forms provided with flight release at departure.