lewisite
E278861
Lewisite is a highly toxic organoarsenic compound developed as a chemical warfare blister agent during World War I.
All labels observed (2)
| Label | Occurrences |
|---|---|
| lewisite canonical | 2 |
| lewisite II | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2574420 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: lewisite Context triple: [U.S. Chemical Demilitarization Program, destroys, lewisite]
-
A.
Zyklon B
Zyklon B was a cyanide-based pesticide infamously used by Nazi Germany as a chemical agent for mass murder in extermination camps during the Holocaust.
-
B.
VX gas
VX gas is an extremely toxic, persistent nerve agent developed for chemical warfare, known for its rapid disruption of the nervous system even at very low exposure levels.
-
C.
DDT
DDT is a synthetic insecticide once widely used for agricultural and disease-control purposes, now infamous for its environmental persistence, bioaccumulation, and harmful effects on wildlife and human health.
-
D.
Torpex
Torpex is a powerful Second World War-era explosive compound, more energetic than TNT, that was widely used in naval mines, torpedoes, and special munitions.
-
E.
T-Stoff (high-test hydrogen peroxide)
T-Stoff (high-test hydrogen peroxide) was a highly concentrated, volatile oxidizer used as rocket propellant in German World War II aircraft and missiles, notably the Messerschmitt Me 163.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: lewisite Target entity description: Lewisite is a highly toxic organoarsenic compound developed as a chemical warfare blister agent during World War I.
-
A.
Zyklon B
Zyklon B was a cyanide-based pesticide infamously used by Nazi Germany as a chemical agent for mass murder in extermination camps during the Holocaust.
-
B.
VX gas
VX gas is an extremely toxic, persistent nerve agent developed for chemical warfare, known for its rapid disruption of the nervous system even at very low exposure levels.
-
C.
DDT
DDT is a synthetic insecticide once widely used for agricultural and disease-control purposes, now infamous for its environmental persistence, bioaccumulation, and harmful effects on wildlife and human health.
-
D.
Torpex
Torpex is a powerful Second World War-era explosive compound, more energetic than TNT, that was widely used in naval mines, torpedoes, and special munitions.
-
E.
T-Stoff (high-test hydrogen peroxide)
T-Stoff (high-test hydrogen peroxide) was a highly concentrated, volatile oxidizer used as rocket propellant in German World War II aircraft and missiles, notably the Messerschmitt Me 163.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
arsenical vesicant
ⓘ
blister agent ⓘ chemical warfare agent ⓘ organoarsenic compound ⓘ vesicant ⓘ |
| antidote |
British anti-Lewisite
ⓘ
dimercaprol ⓘ |
| belongsToClass |
arsenic compounds
ⓘ
organochlorides ⓘ |
| causes |
eye irritation
ⓘ
respiratory damage ⓘ skin blistering ⓘ systemic arsenic poisoning ⓘ |
| chemicalFormula | C2H2AsCl3 ⓘ |
| classifiedAs | Schedule 1 chemical under the Chemical Weapons Convention ⓘ |
| containsElement |
arsenic
ⓘ
carbon ⓘ chlorine ⓘ hydrogen ⓘ |
| decomposesIn | alkaline solutions ⓘ |
| deliveryMethod |
aerial bombs
ⓘ
artillery shells ⓘ |
| developedAs | chemical weapon ⓘ |
| developedDuring | World War I ⓘ |
| environmentalPersistence | moderate ⓘ |
| firstSynthesizedBy | Winford Lee Lewis ⓘ |
| hasIsomer |
lewisite I
ⓘ
lewisite II ⓘ
linked to:
lewisite
lewisite III ⓘ |
| hasOdor | geranium-like odor ⓘ |
| hasPhysicalState | liquid at room temperature ⓘ |
| hasToxicity | highly toxic ⓘ |
| healthEffect |
hypotension
ⓘ
kidney damage ⓘ liver damage ⓘ pulmonary edema ⓘ |
| hydrolyzesTo | chlorovinylarsenous oxide and hydrochloric acid ⓘ |
| mechanismOfAction |
alkylates biological molecules
ⓘ
inhibits cellular respiration ⓘ |
| namedAfter | Winford Lee Lewis ⓘ |
| regulatoryStatus | prohibited for warfare by the Chemical Weapons Convention ⓘ |
| routeOfExposure |
eye contact
ⓘ
inhalation ⓘ skin contact ⓘ |
| solubility |
slightly soluble in water
ⓘ
soluble in organic solvents ⓘ |
| storageHazard |
corrosive
ⓘ
volatile ⓘ |
| useStatus | no legitimate large-scale civilian use ⓘ |
| warfareType | chemical warfare ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: lewisite Description of subject: Lewisite is a highly toxic organoarsenic compound developed as a chemical warfare blister agent during World War I.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.