Property talk:P2054

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density
density of a substance with phase of matter and temperature as qualifiers

Description	The measure of mass per volume
Represents	density (Q29539)
Data type	Quantity
Template parameter	Various
Domain	type of chemical entity (Q113145171), astronomical object (Q6999), mineral (Q7946) or type of wood (Q1493054)
Allowed values	1E−27 ≤ 𝓧 ≤ 1E94
Allowed units	kilogram per cubic metre (Q844211), gram per cubic centimetre (Q13147228), gram per litre (Q834105) or gram per cubic metre (Q21604951)
Usage notes	specify temperature (P2076) and state of aggregation (P515) as a qualifier; the application of pressure (P2077) is optional
Example	acetophenone (Q375112) → 1.0281 gram per cubic centimetre neutronium (Q1195471) → 5.75E17 kilogram per cubic metre
Tracking: usage	Category:Pages using Wikidata property P2054 (Q26250056)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value User:Laboramus/Units/P2054 (Units used) Database reports/Constraint violations/P2054 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,933 Main statement 1,908 98.7% of uses Qualifier 25 1.3% of uses

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Units: “kilogram per cubic metre (Q844211), gram per cubic centimetre (Q13147228), gram per litre (Q834105), gram per cubic metre (Q21604951)”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2054#Units

Required qualifier “phase of matter (P515)”: this property should be used with the listed qualifier. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2054#mandatory qualifier, SPARQL

Required qualifier “temperature (P2076)”: this property should be used with the listed qualifier. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2054#mandatory qualifier, SPARQL

Qualifiers “under pressure (P2077), phase of matter (P515), temperature (P2076), sourcing circumstances (P1480), statement is subject of (P805), determination method (P459), reason for preferred rank (P7452), reason for deprecated rank (P2241), object named as (P1932), applies to part (P518)”: this property should be used only with the listed qualifiers. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2054#allowed qualifiers, SPARQL

Range from “1e-27” to “1e+94”: values should be in the range from “1e-27” to “1e+94”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P2054#Range, hourly updated report

Citation needed: the property must have at least one reference (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2054#citation needed

Type “type of chemical entity (Q113145171), astronomical object (Q6999), mineral (Q7946), type of wood (Q1493054)”: item must contain property “instance of (P31), subclass of (P279)” with classes “type of chemical entity (Q113145171), astronomical object (Q6999), mineral (Q7946), type of wood (Q1493054)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: nuclear pasta (Q13590494), observable universe (Q221392)
List of violations of this constraint: Database reports/Constraint violations/P2054#Type Q113145171, Q6999, Q7946, Q1493054, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2054#Entity types

Scope is as main value (Q54828448), as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2054#Scope, SPARQL

This property is being used by: ru:Шаблон:Спутник, ru:Шаблон:Вещество be:Шаблон:Спадарожнік ht:Modèl:Kolektivite tèritoryal, ht:Modèl:Infobox kolektivite tèritoryal io:Shablono:Elemento ca:Plantilla:Infotaula de mineral, ca:Plantilla:Asteroide, ca:Plantilla:Infotaula beguda, ca:Plantilla:Infotaula compost químic, ca:Plantilla:Infotaula de fàrmac, ca:Plantilla:Planeta extrasolar, ca:Plantilla:Amadalvarez/traduccions 2, ca:Plantilla:Infotaula de fàrmac/prova, ca:Plantilla:Infotaula satèl·lit, ca:Plantilla:Infotaula d'asteroide, ca:Plantilla:Infotaula fàrmac/prova hy:Կաղապար:Տեղեկաքարտ Նյութ he:תבנית:יסוד כימי, he:תבנית:יסוד כימי/גז, he:תבנית:יסוד כימי/נוזל, he:תבנית:אסטרואיד, he:תבנית:גוף פלנטרי ro:Format:Infocaseta Substanță, ro:Format:Infocaseta Planetă eu:Txantiloi:Mineral infotaula, eu:Txantiloi:Astronomia infotaula, eu:Txantiloi:Objektu astronomiko infotaula, eu:Txantiloi:Konposatu kimiko infotaula/probak, eu:Txantiloi:Konposatu kimiko infotaula be-x-old:Шаблён:Мінэрал, be-x-old:Шаблён:Рэчыва, be-x-old:Шаблён:Плянэта la:Formula:Capsa asteroidis Vicidata, la:Formula:Capsa satellitis Vicidata tg:Шаблон:Моддаи кимиёӣ ast:Plantía:Ficha d'oxetu celeste, ast:Plantía:Ficha de compuestu químicu uk:Шаблон:Гірська порода, uk:Шаблон:Мінерал cs:Šablona:Infobox - léčivá látka id:Templat:Infobox drink/Wd ban:Mal:Infobox drink/Wd ha:Template:Infobox astronomical object, ha:Template:Infobox chemical incubator:Template:Wp/shi/Infobox astronomical object, incubator:Template:Wp/shi/Infobox chemical inh:Ло:Вещество kab:Talɣa:Infobox astronomical object, kab:Talɣa:Infobox chemical vec:Modeło:Infobox de Gastronomia az:Şablon:Planet 2, az:Şablon:Planet shi:Talɣa:Infobox astronomical object, shi:Talɣa:Infobox chemical ga:Teimpléad:WD Bosca Sonraí Comhdhúil Cheimiceach, ga:Teimpléad:WD Bosca Sonraí Deoch, ga:Teimpléad:WD Bosca Sonraí Druga, ga:Teimpléad:WD Bosca Sonraí Dúil Cheimiceach, ga:Teimpléad:WD Bosca Sonraí Mianra min:Templat:Infobox drink/Wd ff:Template:Infobox chemical ary:موضيل:معلومات عنصر كيماوي, ary:موضيل:معلومات مركب كيماوي hu:Sablon:Égitest infobox diq:Şablon:Infobox elementi ce:Кеп:ХӀума be-tarask:Шаблён:Мінэрал, be-tarask:Шаблён:Плянэта, be-tarask:Шаблён:Рэчыва gv:Clowan:WD Kishtey Fys Co-vunstoo Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)