Wikidata entity: Q104334
H₂CO₃ (P274)

Quantities
| P2054 | density | 1.668 |
| P2067 | mass | 62 |
| P1117 | pKa | 6.37 |
| P3078 | standard enthalpy of formation | -700 |
| P233 | canonical SMILES | String | C(=O)(O)O | ??? |
| P373 | Commons category | String | Carbonic acid | ??? |
| P4149 | conjugate base | ... | Q409202 (bicarbonate ion) | bicarbonate ion |
| P1343 | described by source | ... | Q123560817 (Armenian Soviet Encyclopedia, vol. 1) | Armenian Soviet Encyclopedia, vol. 1 |
| P1343 | described by source | ... | Q867541 (Encyclopædia Britannica 11th edition) | Encyclopædia Britannica 11th edition |
| P1889 | different from | ... | Q130336 (phenol) | phenol |
| P1889 | different from | ... | Q11567135 (carbon acid) | carbon acid |
| P703 | found in taxon | ... | Q25419 (Escherichia coli) | Escherichia coli |
| P703 | found in taxon | ... | Q15978631 (Homo sapiens) | Homo sapiens |
| P527 | has part(s) | ... | Q556 (hydrogen) | hydrogen |
| P527 | has part(s) | ... | Q623 (carbon) | carbon |
| P527 | has part(s) | ... | Q629 (oxygen) | oxygen |
| P8224 | image of molecular model or crystal lattice model | CommonsMedia | http://commons.wikimedia.org/wiki/Special:FilePath/Carbonic-acid-3D-vdW.png | ??? |
| P31 | instance of | ... | Q113145171 (type of chemical entity) | type of chemical entity |
| P2175 | medical condition treated | ... | Q40878 (diarrhea) | diarrhea |
| P279 | subclass of | ... | Q3775748 (diprotic acid) | diprotic acid |
| P279 | subclass of | ... | Q72056948 (carbon oxoacid) | carbon oxoacid |
| P5198 | ASC Leiden Thesaurus ID | 294938265 |
| P7033 | Australian Educational Vocabulary ID | scot/494 |
| P508 | BNCF Thesaurus ID | 61126 |
| P11160 | Cannabis Database ID | 005102 |
| P231 | CAS Registry Number | 463-79-6 |
| P683 | ChEBI ID | 28976 |
| P592 | ChEMBL ID | CHEMBL1161632 |
| P661 | ChemSpider ID | 747 |
| P3073 | CosIng number | 97430 |
| P1036 | Dewey Decimal Classification | 612.022 |
| P1036 | Dewey Decimal Classification | 571.75 |
| P8494 | DSSTOX compound identifier | DTXCID7023801 |
| P3117 | DSSTox substance ID | DTXSID9043801 |
| P232 | EC number | 610-295-3 |
| P2566 | ECHA Substance Infocard ID | 100.133.015 |
| P10565 | Encyclopedia of China (Third Edition) ID | 472322 |
| P1417 | Encyclopædia Britannica Online ID | science/carbonic-acid |
| P646 | Freebase ID | /m/0dkkj |
| P1578 | Gmelin number | 25554 |
| P227 | GND ID | 4192064-8 |
| P12385 | Gran Enciclopèdia Catalana ID | acid-carbonic |
| P1296 | Gran Enciclopèdia Catalana ID (former scheme) | 0167164 |
| P4342 | Great Norwegian Encyclopedia ID | karbonsyre |
| P11514 | Great Russian Encyclopedia portal ID | ugol-naia-kislota-cbd0ce |
| P2057 | Human Metabolome Database ID | HMDB0000595 |
| P2057 | Human Metabolome Database ID | HMDB0003538 |
| P234 | InChI | InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4) |
| P235 | InChIKey | BVKZGUZCCUSVTD-UHFFFAOYSA-N |
| P8408 | KBpedia ID | CarbonicAcid |
| P665 | KEGG ID | C01353 |
| P8313 | Lex ID | kulsyre |
| P244 | Library of Congress authority ID | sh89006832 |
| P486 | MeSH descriptor ID | D002255 |
| P672 | MeSH tree code | D01.029.260.150 |
| P672 | MeSH tree code | D01.200.275 |
| P6366 | Microsoft Academic ID (discontinued) | 2777858879 |
| P12596 | museum-digital tag ID | 115044 |
| P2004 | NALT ID | 199591 |
| P8189 | National Library of Israel J9U ID | 987007539190605171 |
| P3222 | NE.se ID | kolsyra |
| P10283 | OpenAlex ID | C2777858879 |
| P10890 | PM20 ware ID | 143122 |
| P662 | PubChem CID | 767 |
| P662 | PubChem CID | 22639876 |
| P662 | PubChem CID | 3614646 |
| P3417 | Quora topic ID | Carbonic-Acid |
| P2877 | SureChEMBL ID | 1179 |
| P2877 | SureChEMBL ID | 1291 |
| P2877 | SureChEMBL ID | 3369000 |
| P3365 | Treccani ID | acido-carbonico |
| P2892 | UMLS CUI | C0007027 |
| P13591 | Yale LUX ID | concept/b6173680-a9d0-41f1-8060-c574a4b8644d |
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