CDC - Immediately Dangerous to Life or Health Concentrations (IDLH): Bromine - NIOSH Publications an
Species Reference LC50(ppm) LCLo(ppm) Time Adjusted 0.5-hr LC(CF*) Derived Value Mouse Bitron and Aharonson 1978 750-----9 min 435 ppm (0.58) 44 ppm Mouse Bitron and Sharonson 1978 240-----2 hr 451 ppm (1.88) 45 ppm Rat Ivanov et al. 1976 407-----???...