science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softcon 2019 Substance: hydrogen cyanide Other Names: hydrocyanic acid Formula: HCN CAS-No.: 74-90-8 Study: photolysis Authors: H. Mizutani, H. Mikuni, M. Takahasi, H. Noda Title: Study on the photochemical reaction of HCN and its polymer products relating to primary chemical evolution Journal/Source: Origins of life and evolution of biospheres; 6 (4), 513-525, (1975); doi:10.1007/BF00928899 Data: Energy/Wavelength range: 184.9 nm Resolution: Temperature: Temperature dependence: Pressure/Concentration: Phase: gas pH: Comments: The photochemical reaction of HCN at 184.9 nm is studied in the gas phase. (CN)2, H2, CH4, NH3, N2H4, C2H6, and CH3NH2 are identified as gas phase products. Author to whom correspondence should be addressed: (e-mail address):