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This technical report presents the scientific basis, toxicologic data, and risk assessment methodology used to derive a health-based immediately dangerous to life or health (IDLH) value for hydrogen iodide (CAS No. 10034-85-2). The IDLH values are based on the scientific rationale and logic outlined in Current Intelligence Bulletin (CIB) 66: Derivation of Immediately Dangerous to Life or Health Values.
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Suggested citation
NIOSH [2025]. Immediately dangerous to life or health (IDLH) value profile: hydrogen iodide, CAS® No. 10034-85-2. By Frank E, Chittiboyina S, Leshner M, Edmondson M, Niemeier RT. Cincinnati, OH: U.S. Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2025-109 (Revised 06/2025).
| Revision Date | Revisions | Citation of Revision |
| May 2025 (Original) | NIOSH [2025]. Immediately dangerous to life or health (IDLH) value profile: hydrogen iodide, CAS® No. 10034-85-2. By Frank E, Chittiboyina S, Edmondson M, Niemeier RT. Cincinnati, OH: U.S. Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2025-109. | |
| June 2025 | Updated authorship and acknowledgements | NIOSH [2025]. Immediately dangerous to life or health (IDLH) value profile: hydrogen iodide, CAS® No. 10034-85-2. By Frank E, Chittiboyina S, Leshner M, Edmondson M, Niemeier RT. Cincinnati, OH: U.S. Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 2025-109 (Revised 06/2025). |