As of 2022-03-07, the Wikidata property safety classification and labelling (P4952) is used on 1,411 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 1,403
 0.0000
P231 CAS Registry Number 1,395
 0.0015
P274 chemical formula 1,372
 0.0013
P662 PubChem CID 1,364
 0.0014
P235 InChIKey 1,363
 0.0010
P3117 DSSTox substance ID 1,360
 0.0016
P234 InChI 1,355
 0.0010
P646 Freebase ID 1,354
 0.0003
P232 EC number 1,353
 0.0243
P2566 ECHA InfoCard ID 1,352
 0.0243
P661 ChemSpider ID 1,347
 0.0108
P233 canonical SMILES 1,341
 0.0015
P8494 DSSTOX compound identifier 1,332
 0.0016
P6366 Microsoft Academic ID 1,301
 0.0048
P2067 mass 1,294
 0.0039
P652 UNII 1,271
 0.0186
P7049 AICS Chemical ID (former scheme) 1,096
 0.0655
P679 ZVG number 1,026
 0.1361
P117 chemical structure 1,005
 0.0609
P527 has part or parts 969
 0.0014
P2062 HSDB ID 906
 0.1452
P683 ChEBI ID 895
 0.0083
P373 Commons category 820
 0.0002
P657 RTECS number 764
 0.3246
P592 ChEMBL ID 751
 0.0147
P2101 melting point 714
 0.0224
P2840 NSC number 692
 0.0062
P10283 OpenAlex ID 640
 0.0063
P1579 Reaxys registry number 637
 0.0319
P5220 ICSC ID 589
 0.2383
P665 KEGG ID 534
 0.0256
P7025 HCIS ID 532
 0.1165
P4964 SPLASH 502
 0.0579
P3345 RxNorm ID 467
 0.0460
P6689 MassBank accession ID 457
 0.0383
P3073 CosIng number 455
 0.0754
P2054 density 448
 0.1818
P1578 Gmelin number 437
 0.1071
P1417 Encyclopædia Britannica Online ID 437
 0.0025
P486 MeSH descriptor ID 413
 0.0109
P2102 boiling point 397
 0.2058
P703 found in taxon 380
 0.0001
P227 GND ID 361
 0.0003
P8408 KBpedia ID 345
 0.0088
P18 image 333
 0.0001
P715 DrugBank ID 330
 0.0248
P8224 molecular model or crystal lattice model 326
 0.1170
P1542 has effect 312
 0.0611
P2057 Human Metabolome Database ID 311
 0.0428
P2119 vapor pressure 308
 0.1776

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P657 RTECS number 764
 0.3246
P5220 ICSC ID 589
 0.2383
P2102 boiling point 397
 0.2058
P695 UN number 302
 0.1872
P2054 density 448
 0.1818
P2119 vapor pressure 308
 0.1776
P1931 NIOSH Pocket Guide ID 304
 0.1668
P2404 time-weighted average exposure limit 259
 0.1502
P2062 HSDB ID 906
 0.1452
P679 ZVG number 1,026
 0.1361
P2129 immediately dangerous to life or health 215
 0.1351
P2128 flash point 208
 0.1286
P2260 ionization energy 194
 0.1282
P2177 solubility 202
 0.1246
P8224 molecular model or crystal lattice model 326
 0.1170
P7025 HCIS ID 532
 0.1165
P5076 Römpp online ID 298
 0.1122
P1578 Gmelin number 437
 0.1071
P2202 lower flammable limit 153
 0.1037
P2203 upper flammable limit 134
 0.0918
P8121 UM-BBD compound ID 175
 0.0807
P3078 standard enthalpy of formation 119
 0.0773
P3073 CosIng number 455
 0.0754
P628 E number 135
 0.0727
P7524 CA PROP 65 ID 145
 0.0691
P7049 AICS Chemical ID (former scheme) 1,096
 0.0655
P1820 Open Food Facts food additive ID 108
 0.0654
P2405 ceiling exposure limit 95
 0.0635
P1542 has effect 312
 0.0611
P117 chemical structure 1,005
 0.0609
P2407 short-term exposure limit 86
 0.0589
P4964 SPLASH 502
 0.0579
P1117 pKa 88
 0.0575
P1109 refractive index 85
 0.0569
P2107 decomposition point 76
 0.0489
P2115 NDF-RT ID 215
 0.0487
P8491 AHECC 2017 ID 72
 0.0481
P1987 MCN code 97
 0.0477
P3345 RxNorm ID 467
 0.0460
P2057 Human Metabolome Database ID 311
 0.0428
P9557 JECFA number 112
 0.0389
P9066 FL number 141
 0.0384
P6689 MassBank accession ID 457
 0.0383
P2199 autoignition temperature 51
 0.0357
P2240 median lethal dose (LD50) 50
 0.0346
P4852 JECFA database ID 63
 0.0330
P1579 Reaxys registry number 637
 0.0319
P2075 speed of sound 42
 0.0294
P4149 conjugate base 48
 0.0280
P3071 standard molar entropy 40
 0.0279