Blood Agent
Chemical agents that injure a person by interfering with cell respiration (the exchange of oxygen and carbon dioxide between blood and tissues). This is a descriptive term for the cyanides.
Glossary Source
JRC EU CBRNe Glossary
(
EU Glossary on Chemical, Biological, Radiological, Nuclear, and Explosive risks
)
https://publications.jrc.ec.europa.eu/repository/bitstream/JRC128863/JRC128863_01.pdf