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Phosphorus trichloride: History, Applications & Standards

Phosphorus trichloride is an inorganic compound with the chemical formula PCl3. A colorless liquid when pure, it is an important industrial chemical, being used for the manufacture of phosphites and other organophosphorus compounds. It is toxic and reacts readily with water or air to release hydrogen chloride fumes.

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Phosphorus trichloride topic overview

The analysis highlights History, Applications and Standards as prominent areas in the source structure around Phosphorus trichloride.

Related topics
79
Source areas
7
Connected nodes
86
Extracted relationships
58
Concept neighborhoods
37
Bridge connections
86

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Reactions · 33 topics
Uses · 20 topics
Safety · 12 topics
Overview · 6 topics
History · 5 topics
Preparation · 2 topics
Structure and spectroscopy · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

History

Preparation

Structure and spectroscopy

  • NMR Phosphorus NMR

Reactions

Uses

Safety

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Phosphorus trichloride connects Entity context

The extracted context around Phosphorus trichloride shows recurring relationship patterns in the source. For example, Phosphorus trichloride → Chemical Weapons Convention, EEC, Health, Immediately Dangerous, Industrial, Life, PCl3, R14, R26/28, R35, R48/20, Under EU Directive, US NIOSH, US OSHA Another extracted example is Phosphorus trichloride → Alkylation, Br3B-PCl3, Cl2, Kinnear, Lewis, Metal, Ni, OR, PCl3, Perren, Phosphorus, RP, This Lewis. Use these groups to spot repeated connection types before inspecting the individual relationships.

Phosphorus trichloride

Top relations

related to Safety · 14
Phosphorus trichloride → Chemical Weapons Convention, EEC, Health, Immediately Dangerous, Industrial, Life, PCl3, R14, R26/28, R35, R48/20, Under EU Directive, US NIOSH, US OSHA
related to PCl3 as a nucleophile · 13
Phosphorus trichloride → Alkylation, Br3B-PCl3, Cl2, Kinnear, Lewis, Metal, Ni, OR, PCl3, Perren, Phosphorus, RP, This Lewis
related to history · 8
Phosphorus trichloride → English, French, Hg2Cl2, Humphry Davy, Joseph Louis Gay-Lussac, Later, Louis Jacques Thénard, Phosphorus
related to Conversion of alcohols to alkyl chlorides · 7
Phosphorus trichloride → As, HCl, Phosphorus, RCl, ROH, SN1, The
related to Preparation · 5
Phosphorus trichloride → In, PCl3, PCl5, Phosphorus, World
related to PCl3 as an electrophile · 4
Phosphorus trichloride → H3PO3, It, PCl3, Phosphorus
is a · 1
Phosphorus trichloride → inorganic compound with the chemical formula PCl3
related to Redox reactions · 1
Phosphorus trichloride → Phosphorus

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

phosphorus pcl3 trichloride used reaction alcohols chloride chemical water compounds oxidation ppm chlorides formula toxic niosh precursor important industrial reacts

Phosphorus trichloride relationships Subject–Predicate–Object triples

TTTA extracted 58 structured relationships around Phosphorus trichloride. Examples in this analysis include Phosphorus trichloride → is a → inorganic compound with the chemical formula PCl3 and a tertiary amine → instance of → Alcohols such as ethanol react similarly in the presence of a base. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Phosphorus trichlorideis ainorganic compound with the chemical formula PCl30.90text
a tertiary amineinstance ofAlcohols such as ethanol react similarly in the presence of a base0.80text
chlorodiisopropylphosphine.Conversion of alcohols to alkyl chloridesPhosphorus trichloride is commonly used to convert primaryinstance ofsimilar reactions afford less substituted derivatives0.80text
secondary alcohols to the corresponding chloridesinstance ofsimilar reactions afford less substituted derivatives0.80text
Niinstance ofMetal complexes0.80text
chlorodiisopropylphosphineinstance ofsimilar reactions afford less substituted derivatives0.80text
Phosphorus trichloriderelated to Conversion of alcohols to alkyl chloridesPhosphorus0.60section
Phosphorus trichloriderelated to Conversion of alcohols to alkyl chloridesAs0.60section
Phosphorus trichloriderelated to Conversion of alcohols to alkyl chloridesThe0.60section
Phosphorus trichloriderelated to Conversion of alcohols to alkyl chloridesROH0.60section
Phosphorus trichloriderelated to Conversion of alcohols to alkyl chloridesRCl0.60section
Phosphorus trichloriderelated to Conversion of alcohols to alkyl chloridesHCl0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Phosphorus trichloride bring nearby vocabulary together. In this analysis, examples include Trichloride, Alcohols and Pcl3. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Phosphorus trichloride
    • Trichloride
    • Alcohols
    • Pcl3
    • Chlorine
    • Reactions
    • Standard
    • State
    • White
    • Chemical
    • Compounds
    • Oxidation
    • Water
  • phosphorus trichloride
    • Trichloride
    • White
    • Alcohols
    • Pcl3
    • Water
    • Chlorine
    • Reactions
    • Standard
    • State
    • Chemical
    • Compounds
    • Oxidation
  • chemical formula
    • Formula
    • Industrial
    • Compounds
    • Safety
    • References
    • Trichloride
    • Chlorides
    • Exposure
    • Health
    • Ligand
    • Niosh
    • Reactions
  • industrial chemical
    • Formula
    • Industrial
    • Compounds
    • Used
    • Safety
    • Trichloride
    • Phosphite
    • References
    • Triphenylphosphine
    • Chlorides
    • Exposure
    • Health
  • organophosphorus compounds
    • Oxidation
    • Precursor
    • Water
    • Chloride
    • Safety
    • References
    • Chlorides
    • Exposure
    • Form
    • Formula
    • Health
    • Important
  • hydrogen chloride
    • Chlorides
    • Compounds
    • Oxidation
    • Water
    • Alcohols
    • Safety
    • References
    • Pcl3
    • Phosphorus
    • Exposure
    • Formula
    • Health
  • white phosphorus
    • Trichloride
    • Chlorine
    • References
    • Alcohols
    • Pcl3
    • First
    • Health
    • Industrially
    • Produced
    • Standard
    • State
    • Toxic
  • phosphorus
    • Trichloride
    • Alcohols
    • Pcl3
    • Chlorine
    • Reactions
    • Standard
    • State
    • White
    • Chemical
    • Compounds
    • Oxidation
    • Water

Connections between topic areas Semantic bridges

For Phosphorus trichloride, one of the stronger structural bridges in this analysis connects Phosphorus trichloride with Reactions. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Phosphorus trichlorideReactions · splits 53 ⟂ 34
Phosphorus trichlorideUses · splits 66 ⟂ 21
Phosphorus trichlorideSafety · splits 74 ⟂ 13
Phosphorus trichlorideOverview · splits 80 ⟂ 7
Phosphorus trichlorideHistory · splits 81 ⟂ 6
Phosphorus trichloridePreparation · splits 84 ⟂ 3

Map overview Semantic statistics

Phosphorus trichloride

Nodes87
Edges86
Triples58
Avg. degree1.98
Density0.022989
Components1

Source & methodology

TTTA analyzes the structure around Phosphorus trichloride to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Applications & Standards, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Phosphorus trichloride · EN edition · Analysis: TopicsToTalkAbout

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