Wikimedia neighborhood · Wikidata observation Observed Graph-projection

NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response

US standard used by emergency personnel to identify the risks posed by hazardous materials

Provider: Wikidata. These recorded connections are observations, not Counterpedia claims. They do not establish source support.

Data and provenance

Provider: Wikidata · Entity ID: Q51139288

Release: sha256:f33228901a35b0683356002a46df9ceb11f399d05f17abb5c7c78256cbf38ba7

Graph membership is not truth. Each relation below is an observed typed edge the local Wikimedia graph bundle already materialized — not a corroborated, verified, or admitted claim. Bounded to 40 relations via an offset-index lookup (offset_index_binary_search), never a full scan of the bundle.Serving a published subset: joined entities + 1-hop neighborhood of 35,994 exact Wikipedia–Wikidata title matches. A subject that is not itself in that subset carries only the relations the subset recorded for it, so a small count here is the published scope and not a complete relationship inventory.

Development requests are not available on this deployment. The observed entity and its graph links remain readable.

1-hop relations (28)

Observed adjacency only. Each spoke is a typed edge already materialized in the graph, labeled by its recorded predicate — graph proximity is not support, corroboration, or admission. The links below are the accessible, no-JavaScript path to the same neighbors.

Follow a connection

Grouped by a fixed presentation taxonomy for legibility only. The grouping asserts no rank, truth, support, or standing — every observed edge is carried, none reordered by importance.

Other connections (28)

← Relationship name unavailable (P4952)methyl bromideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q421758
← Relationship name unavailable (P4952)biphenylObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q410915
← Relationship name unavailable (P4952)calcium hydroxideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q182849
← Relationship name unavailable (P4952)erythritolObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q421873
← Relationship name unavailable (P4952)copper(II) oxideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q421787
← Relationship name unavailable (P4952)borazineObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q422698
← Relationship name unavailable (P4952)calcium sulfateObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q407258
← Relationship name unavailable (P4952)methyl isocyanateObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q410431
← Relationship name unavailable (P4952)dimethyl sulfoneObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q423842
← Relationship name unavailable (P4952)dimethylglyoximeObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q424895
← Relationship name unavailable (P4952)nitric acidObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q83320
← Relationship name unavailable (P4952)decaneObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q150717
← Relationship name unavailable (P4952)hydrogen peroxideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q171877
← Relationship name unavailable (P4952)silver iodideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q19052
← Relationship name unavailable (P4952)phenanthreneObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q422037
← Relationship name unavailable (P4952)lead(II) sulfideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q411436
← Relationship name unavailable (P4952)potassium fluorideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q422426
← Relationship name unavailable (P4952)vinyl chlorideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q338869
← Relationship name unavailable (P4952)sulfur dichlorideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q409028
← Relationship name unavailable (P4952)nitric oxideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q207843
← Relationship name unavailable (P4952)lithium hydrideObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q79583
← Relationship name unavailable (P4952)capric acidObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q422613
← Relationship name unavailable (P4952)acenaphthenequinoneObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q2739953
← Relationship name unavailable (P4952)squaleneObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q407560
← Relationship name unavailable (P4952)bisphenol AObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q271980
← Relationship name unavailable (P4952)polydimethylsiloxaneObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q411955
← Relationship name unavailable (P4952)2,2,2-trifluoroethanolObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q2474643
← Relationship name unavailable (P4952)metacresolObserved
Relationship details
Provider: Wikidata · Property: P4952 · Direction: incoming · Entity ID: Q312240

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