Green’s Dictionary of Slang

nitroglycerine; dynamite.

1929		C.G. Givens ‘Chatter of Guns’ in Sat. Eve. Post 13 Apr.; list extracted in AS VI:2 (1930) 132: dinah, a. Dynamite.
c.1930		N. Kimball Amer. Madam (1981) 174: Yeggs (safe blowers) who use dinah (dynamite) or nitro [...] make special kits of dinah, blasting powder and nitre soup.
1939		Howsley Argot: Dict. of Und. Sl. 15: dina, dinah – nitroglycerine, dynamite.
1949		Monteleone Criminal Sl. (rev. edn) 68: dine Dynamite; nitroglycerine.
1950		Goldin et al. DAUL 58/2: Dinah. Dynamite; soup.
1960, 1975		Wentworth & Flexner DAS.
1989		J. Morton Lowspeak.