As of 2022-03-07, the Wikidata property Kemler code (P700) is used on 50 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
P646 Freebase ID 48
 0.0000
P31 instance of 48
 0.0000
P6366 Microsoft Academic ID 46
 0.0002
P231 CAS Registry Number 46
 0.0000
P695 UN number 44
 0.0863
P232 EC number 43
 0.0008
P679 ZVG number 42
 0.0059
P2067 mass 42
 0.0001
P3117 DSSTox substance ID 42
 0.0000
P662 PubChem CID 42
 0.0000
P234 InChI 42
 0.0000
P235 InChIKey 42
 0.0000
P2566 ECHA InfoCard ID 41
 0.0007
P652 UNII 41
 0.0006
P661 ChemSpider ID 41
 0.0003
P274 chemical formula 41
 0.0000
P8494 DSSTOX compound identifier 40
 0.0000
P233 canonical SMILES 40
 0.0000
P7049 AICS Chemical ID (former scheme) 39
 0.0024
P2062 HSDB ID 36
 0.0063
P373 Commons category 34
 0.0000
P117 chemical structure 32
 0.0020
P683 ChEBI ID 32
 0.0003
P5220 ICSC ID 31
 0.0186
P657 RTECS number 31
 0.0180
P527 has part or parts 31
 0.0000
P7025 HCIS ID 28
 0.0075
P10283 OpenAlex ID 28
 0.0003
P1579 Reaxys registry number 27
 0.0014
P4952 safety classification and labelling 25
 0.0174
P2101 melting point 25
 0.0008
P227 GND ID 25
 0.0000
P592 ChEMBL ID 24
 0.0005
P1417 Encyclopædia Britannica Online ID 24
 0.0001
P2054 density 22
 0.0144
P2840 NSC number 21
 0.0002
P244 Library of Congress authority ID 21
 0.0000
P1578 Gmelin number 20
 0.0064
P6689 MassBank accession ID 19
 0.0017
P665 KEGG ID 19
 0.0010
P2102 boiling point 18
 0.0190
P4964 SPLASH 18
 0.0023
P3345 RxNorm ID 18
 0.0019
P486 MeSH descriptor ID 18
 0.0005
P18 image 18
 0.0000
P1931 NIOSH Pocket Guide ID 17
 0.0227
P8408 KBpedia ID 17
 0.0004
P1542 has effect 16
 0.0040
P508 BNCF Thesaurus ID 16
 0.0010
P1296 Gran Enciclopèdia Catalana ID 16
 0.0001

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P695 UN number 44
 0.0863
P874 UN class 3
 0.0536
P2201 electric dipole moment 5
 0.0495
P2240 median lethal dose (LD50) 6
 0.0469
P2066 molar fusion enthalpy 3
 0.0441
P876 UN packaging group 2
 0.0392
P2260 ionization energy 13
 0.0390
P875 UN code classification 2
 0.0385
P1109 refractive index 8
 0.0381
P2300 minimal lethal dose 3
 0.0361
P2203 upper flammable limit 8
 0.0356
P2199 autoignition temperature 4
 0.0351
P2202 lower flammable limit 9
 0.0347
P3070 dynamic viscosity 3
 0.0337
P4599 monomer of 3
 0.0326
P2129 immediately dangerous to life or health 13
 0.0300
P3013 surface tension 2
 0.0290
P873 phase point 2
 0.0282
P2075 speed of sound 3
 0.0280
P1117 pKa 7
 0.0279
P3078 standard enthalpy of formation 8
 0.0276
P2405 ceiling exposure limit 6
 0.0268
P2993 partition coefficient water/octanol 2
 0.0241
P5219 BMRB ID 3
 0.0234
P1931 NIOSH Pocket Guide ID 17
 0.0227
P2119 vapor pressure 15
 0.0225
P2407 short-term exposure limit 4
 0.0222
P2128 flash point 10
 0.0220
P2404 time-weighted average exposure limit 13
 0.0213
P2662 consumption rate per capita 1
 0.0200
P8491 AHECC 2017 ID 4
 0.0196
P2292 consumption rate 1
 0.0196
P2796 3DMet ID 1
 0.0192
P2102 boiling point 18
 0.0190
P5220 ICSC ID 31
 0.0186
P657 RTECS number 31
 0.0180
P4952 safety classification and labelling 25
 0.0174
P6852 CCDC Number 2
 0.0165
P2056 specific heat capacity 1
 0.0164
P2117 combustion enthalpy 1
 0.0161
P2072 CDB Chemical ID 1
 0.0156
P2177 solubility 7
 0.0154
P2054 density 22
 0.0144
P2116 molar enthalpy of vaporization 1
 0.0141
P5471 Harmonized System Code 1
 0.0139
P5234 SpectraBase compound ID 1
 0.0105
P4842 ASHRAE refrigerant number 1
 0.0093
P8121 UM-BBD compound ID 9
 0.0092
P3071 standard molar entropy 1
 0.0088
P5076 Römpp online ID 13
 0.0082