science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: 1,3-butadiyne Other Names: diacetylene Formula: C4H2 CAS-No.: 460-12-8 Study: uv absorption spectrum Authors: W.L. Smith Title: The absorption spectrum of diacetylene in the vacuum ultraviolet Journal/Source: Proc. Roy. Soc. A, 300, 519-533, (1967) Data: Energy/Wavelength range: Resolution: Temperature: Temperature dependence: Pressure/Concentration: Phase: pH: Comments: The spectra of diacetylene-h2 and diacetylene-d2 have been photographed in the vacuum ultraviolet region as far as 1000 A. Author to whom correspondence should be addressed: (e-mail address):