As of 2022-03-07, the Wikidata property density (P2054) is used on 1,501 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P31 instance of 1,458
0.0000
P2067 mass 1,259
0.0038
P274 chemical formula 1,250
0.0012
P231 CAS Registry Number 1,134
0.0012
P646 Freebase ID 1,067
0.0002
P235 InChIKey 1,030
0.0008
P234 InChI 1,028
0.0008
P3117 DSSTox substance ID 1,018
0.0012
P662 PubChem CID 1,003
0.0010
P232 EC number 1,001
0.0179
P2566 ECHA InfoCard ID 999
0.0178
P233 canonical SMILES 986
0.0011
P8494 DSSTOX compound identifier 980
0.0012
P661 ChemSpider ID 974
0.0078
P652 UNII 892
0.0130
P6366 Microsoft Academic ID 890
0.0033
P2101 melting point 871
0.0273
P527 has part or parts 839
0.0013
P7049 AICS Chemical ID (former scheme) 814
0.0476
P679 ZVG number 811
0.1034
P373 Commons category 743
0.0002
P2062 HSDB ID 742
0.1143
P117 chemical structure 724
0.0429
P683 ChEBI ID 689
0.0063
P657 RTECS number 683
0.2705
P2102 boiling point 638
0.3588
P5220 ICSC ID 624
0.2469
P592 ChEMBL ID 610
0.0119
P10283 OpenAlex ID 548
0.0054
P2840 NSC number 543
0.0048
P1542 has effect 542
0.1091
P2119 vapor pressure 535
0.3350
P1931 NIOSH Pocket Guide ID 533
0.3167
P1417 Encyclopædia Britannica Online ID 503
0.0029
P1579 Reaxys registry number 479
0.0237
P7025 HCIS ID 478
0.1014
P665 KEGG ID 460
0.0219
P2404 time-weighted average exposure limit 454
0.2804
P4952 safety classification and labelling 448
0.1818
P18 image 442
0.0001
P4964 SPLASH 439
0.0498
P6689 MassBank accession ID 405
0.0336
P227 GND ID 393
0.0003
P2128 flash point 382
0.2492
P486 MeSH descriptor ID 372
0.0098
P2671 Google Knowledge Graph ID 365
0.0000
P8408 KBpedia ID 356
0.0091
P1343 described by source 355
0.0005
P1578 Gmelin number 344
0.0807
P2177 solubility 333
0.2108

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P2102 boiling point 638
0.3588
P2119 vapor pressure 535
0.3350
P1931 NIOSH Pocket Guide ID 533
0.3167
P2404 time-weighted average exposure limit 454
0.2804
P657 RTECS number 683
0.2705
P2128 flash point 382
0.2492
P5220 ICSC ID 624
0.2469
P2129 immediately dangerous to life or health 332
0.2121
P2177 solubility 333
0.2108
P4952 safety classification and labelling 448
0.1818
P2260 ionization energy 250
0.1616
P2202 lower flammable limit 205
0.1354
P2062 HSDB ID 742
0.1143
P2203 upper flammable limit 171
0.1130
P3078 standard enthalpy of formation 174
0.1105
P1542 has effect 542
0.1091
P8224 molecular model or crystal lattice model 303
0.1045
P679 ZVG number 811
0.1034
P7025 HCIS ID 478
0.1014
P1109 refractive index 150
0.0987
P2107 decomposition point 153
0.0977
P2405 ceiling exposure limit 143
0.0930
P695 UN number 170
0.0926
P5076 Römpp online ID 233
0.0829
P1578 Gmelin number 344
0.0807
P7524 CA PROP 65 ID 166
0.0766
P2407 short-term exposure limit 114
0.0750
P8121 UM-BBD compound ID 162
0.0713
P1117 pKa 87
0.0536
P3073 CosIng number 316
0.0505
P4964 SPLASH 439
0.0498
P7049 AICS Chemical ID (former scheme) 814
0.0476
P2240 median lethal dose (LD50) 67
0.0441
P117 chemical structure 724
0.0429
P1088 Mohs' hardness 73
0.0419
P1987 MCN code 88
0.0413
P2199 autoignition temperature 62
0.0411
P8491 AHECC 2017 ID 63
0.0395
P2147 rotation period 61
0.0379
P628 E number 72
0.0358
P367 astronomic symbol image 63
0.0354
P9557 JECFA number 105
0.0353
P9066 FL number 132
0.0350
P2057 Human Metabolome Database ID 258
0.0348
P6689 MassBank accession ID 405
0.0336
P2115 NDF-RT ID 152
0.0333
P10077 Spanish Cultural Heritage thesauri ID 104
0.0318
P1820 Open Food Facts food additive ID 57
0.0318
P3345 RxNorm ID 324
0.0312
P2201 electric dipole moment 47
0.0311