A report on German ordnance with Gudol powder in WWII, from Tactical and Technical Trends, No. 31, August 12, 1943. [DISCLAIMER: The following text is taken from the U.S. War Department publication Tactical and Technical Trends. As with all wartime intelligence information, data may be incomplete or inaccurate. No attempt has been made to update or correct the text. Any views or opinions expressed do not necessarily represent those of the website.]

GUDOL POWDERS Frequently within recent months technical descriptions of German ordnance contained the word "Gudol" or "Gudol-type powder". A description of this flashless propellant has recently become available. Its chief constituents are triglycoldinitrate, nitro-cellulose and nitroguanidine in equal parts. Nitroguanidine made by nitrating guanidine, which is a urea compound made from calcium cyanamide, releases large quantities of ammonia when discharged as a propellant. While the ammonia lowers the gas temperature below the flash-point, when used in large quantities as artillery ammunition, it produces enough ammonia gas to unfavorably affect the gun crews, particularly on a still day.

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