As of 2022-03-07, the Wikidata property refractive index (P1109) is used on 168 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 164
 0.0000
P231 CAS Registry Number 160
 0.0002
P274 chemical formula 160
 0.0002
P233 canonical SMILES 156
 0.0002
P234 InChI 156
 0.0001
P235 InChIKey 156
 0.0001
P662 PubChem CID 153
 0.0002
P661 ChemSpider ID 152
 0.0012
P3117 DSSTox substance ID 151
 0.0002
P2054 density 150
 0.0987
P2067 mass 150
 0.0004
P8494 DSSTOX compound identifier 148
 0.0002
P232 EC number 147
 0.0026
P2566 ECHA InfoCard ID 145
 0.0026
P652 UNII 140
 0.0021
P646 Freebase ID 137
 0.0000
P117 chemical structure 131
 0.0081
P6366 Microsoft Academic ID 130
 0.0005
P7049 AICS Chemical ID (former scheme) 128
 0.0078
P2101 melting point 127
 0.0041
P2102 boiling point 119
 0.1234
P683 ChEBI ID 119
 0.0011
P679 ZVG number 116
 0.0161
P373 Commons category 116
 0.0000
P592 ChEMBL ID 108
 0.0021
P2062 HSDB ID 107
 0.0185
P527 has part or parts 101
 0.0002
P2840 NSC number 97
 0.0009
P4964 SPLASH 96
 0.0123
P1579 Reaxys registry number 91
 0.0047
P657 RTECS number 88
 0.0492
P6689 MassBank accession ID 88
 0.0080
P10283 OpenAlex ID 88
 0.0009
P4952 safety classification and labelling 85
 0.0569
P1417 Encyclopædia Britannica Online ID 81
 0.0005
P703 found in taxon 81
 0.0000
P665 KEGG ID 79
 0.0039
P5220 ICSC ID 73
 0.0418
P7025 HCIS ID 73
 0.0193
P2128 flash point 72
 0.1412
P227 GND ID 70
 0.0001
P1578 Gmelin number 68
 0.0212
P2119 vapor pressure 67
 0.0915
P3073 CosIng number 66
 0.0127
P2057 Human Metabolome Database ID 64
 0.0102
P486 MeSH descriptor ID 63
 0.0017
P3345 RxNorm ID 61
 0.0065
P8408 KBpedia ID 57
 0.0015
P1542 has effect 51
 0.0124
P1343 described by source 51
 0.0001

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P2201 electric dipole moment 31
 0.1606
P3070 dynamic viscosity 29
 0.1602
P2128 flash point 72
 0.1412
P2199 autoignition temperature 29
 0.1401
P873 phase point 21
 0.1235
P2102 boiling point 119
 0.1234
P2203 upper flammable limit 34
 0.1073
P2202 lower flammable limit 36
 0.1029
P2054 density 150
 0.0987
P3078 standard enthalpy of formation 37
 0.0976
P2119 vapor pressure 67
 0.0915
P2993 partition coefficient water/octanol 17
 0.0914
P2260 ionization energy 37
 0.0867
P1117 pKa 29
 0.0836
P2177 solubility 44
 0.0821
P3013 surface tension 14
 0.0800
P2129 immediately dangerous to life or health 38
 0.0722
P2407 short-term exposure limit 18
 0.0634
P2240 median lethal dose (LD50) 15
 0.0633
P2404 time-weighted average exposure limit 44
 0.0632
P2075 speed of sound 13
 0.0605
P1931 NIOSH Pocket Guide ID 48
 0.0575
P4952 safety classification and labelling 85
 0.0569
P2116 molar enthalpy of vaporization 10
 0.0556
P695 UN number 34
 0.0533
P2068 thermal conductivity 10
 0.0532
P657 RTECS number 88
 0.0492
P8491 AHECC 2017 ID 15
 0.0482
P5220 ICSC ID 73
 0.0418
P2405 ceiling exposure limit 13
 0.0388
P2066 molar fusion enthalpy 7
 0.0385
P700 Kemler code 8
 0.0381
P8121 UM-BBD compound ID 40
 0.0377
P2056 specific heat capacity 6
 0.0345
P2300 minimal lethal dose 6
 0.0303
P4852 JECFA database ID 21
 0.0296
P2118 kinematic viscosity 5
 0.0282
P8224 molecular model or crystal lattice model 49
 0.0269
P3071 standard molar entropy 6
 0.0265
P5076 Römpp online ID 42
 0.0251
P2107 decomposition point 9
 0.0239
P9557 JECFA number 39
 0.0228
P1578 Gmelin number 68
 0.0212
P1987 MCN code 18
 0.0207
P4149 conjugate base 10
 0.0197
P7524 CA PROP 65 ID 19
 0.0194
P7025 HCIS ID 73
 0.0193
P4599 monomer of 4
 0.0191
P2062 HSDB ID 107
 0.0185
P538 fracturing 3
 0.0170