MeSH Browser

MeSH Heading: Hydrogen Cyanide
Tree Number(s): D01.029.260.330; D01.625.400
Unique ID: D006856
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D006856
Annotation: toxic liquid or gas; /‌analogs = CYANIDES
Scope Note: Hydrogen cyanide (HCN); A toxic liquid or colorless gas. It is found in the smoke of various tobacco products and released by combustion of nitrogen-containing organic materials.
Entry Term(s): Hydrocyanic Acid; Zyklon B
Pharm Action: Chemical Warfare Agents
Registry Numbers: 2WTB3V159F; 0
Related Numbers: 74-90-8
CAS Type 1 Name: Hydrocyanic acid
Public MeSH Note: 94; was HYDROCYANIC ACID 1963-93; HYDROGEN CYANIDE was see HYDROCYANIC ACID 1978-93
Online Note: use HYDROGEN CYANIDE to search HYDROCYANIC ACID 1978-93
History Note: 94; was HYDROCYANIC ACID 1963-93; HYDROGEN CYANIDE was see HYDROCYANIC ACID 1978-93
Date Established: 1994/01/01
Date of Entry: 1999/01/01
Revision Date: 2013/07/08

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

agonists (AG)

analysis (AN)

antagonists & inhibitors (AI)

blood (BL)

cerebrospinal fluid (CF)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

economics (EC)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

urine (UR)

Hydrogen Cyanide MeSH Descriptor Data 2025