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trichloroacetic acid

chemical compound
Class type of: carboxylate anion Q410116

Facts

17 properties
Instance of
type of chemical entity
Subclass of
carboxylate anion[4]
Associated hazard
trichloroacetic acid exposure[22]
Boiling point
+388, +196.5[16][17]
Canonical SMILES
C(=O)(C(Cl)(Cl)Cl)O[2]
Chemical formula
C₂HCl₃O₂[3]
Density
+1.62[11]
Has effect
trichloroacetic acid exposure[9]
Has part(s)
oxygen, carbon, chlorine[5][6][7]
Mass
+161.904[12]
Melting point
57.5 (56–136, n=3)[13][14][15]
NIOSH Pocket Guide ID
0626[10]
PKa
+0.64[8]
Safety classification and labelling
NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[23]
Subject has role
corrosive substance, carcinogen[20][21]
Time-weighted average exposure limit
+7[19]
Vapor pressure
+1[18]
🏷️ Also known as
en TCA en trichloroethanoic acid en trichloroacetic acid en trichloracetic acid ar حمض ثلاثي كلورو الخليك cs kyselina trichloroctová da Trikloreddikesyre de Trichlorethansäure de Trichloressigsäure es Acido tricloroacético es Acido tricloroacetico es Ácido tricloroacetico es Ácido tricloroacético fa تری کلرواستیک اسید fi 2,2,2-trikloorietikkahappo fi trikloorietikkahappo fr acide trichloracétique fr acide trichloroacetique fr acide trichloroacétique hi ट्राइक्लोरोएसिटिक अम्ल
🔖 Identifiers · 54
GND ID
4292131-4
OpenAlex ID
C2777332483
BNCF Thesaurus ID
52138
CA PROP 65 ID
trichloroacetic-acid
CAMEO Chemicals ID
1628
CAS Registry Number
76-03-9
ChEBI ID
30956
ChEMBL ID
CHEMBL14053
ChemSpider ID
10772050
DSSTOX compound identifier
DTXCID001378
DSSTox substance ID
DTXSID1021378
DrugBank ID
DB11152
Show all 54 identifiers +42
DrugCentral ID
3627
EC number
200-927-2
ECHA Substance Infocard ID
100.000.844
Encyclopedia of China (Third Edition) ID (2026)
18qC81
Encyclopedia of China (Third Edition) old ID (2021)
157181
Encyclopædia Britannica Online ID
science/trichloroacetic-acid
Freebase ID
/m/046_n1
Gmelin number
2842
Great Norwegian Encyclopedia ID
trikloreddiksyre
Great Russian Encyclopedia portal ID
trikhloruksusnaia-kislota-14241b
HCIS ID
4337
HSDB ID
1779
Human Metabolome Database ID
HMDB0042048
ICSC ID
0586
InChI
InChI=1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7)
InChIKey
YNJBWRMUSHSURL-UHFFFAOYSA-N
Interlingual Index ID
i116431
KBpedia ID
TrichloroaceticAcid
KEGG ID
D08633
Lex ID
trikloreddikesyre
MeSH descriptor ID
D014238
MeSH tree code
D02.241.081.018.214.750, D02.455.526.439.196.750
Microsoft Academic ID (discontinued)
2777332483
NDF-RT ID
N0000147292
NMRShiftDB structure ID
10016786
NSC number
77363, 215204
OSHA Occupational Chemical Database ID
603
PesticideInfo chemical ID
PRI6342
Probes And Drugs ID
PD014253
PubChem CID
6421, 23223116
RTECS number
AJ7875000
Reaxys registry number
970119
RxNorm CUI
10773
Römpp online ID
RD-20-02753
SPLASH
splash10-001j-9000000000-b5749368152821947a2b
SureChEMBL ID
7787579, 3220
UM-BBD compound ID
c0016
UMLS CUI
C0040900
UNII
5V2JDO056X
WikiProjectMed ID
Trichloroacetic acid
YSO ID
18433
ZVG number
33030

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🔗 Connections
Has part(s) 3
oxygen, carbon, chlorine
Subject has role 2
carcinogen, corrosive substance
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Summary

trichloroacetic acid is a type of chemical entity[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). trichloroacetic acid. Retrieved November 10, 2026, from https://4ort.xyz/entity/trichloroacetic-acid
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BibTeX @misc{4ortxyz_trichloroacetic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{trichloroacetic acid}}, year = {2026}, url = {https://4ort.xyz/entity/trichloroacetic-acid}, note = {Accessed: 2026-11-10}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    ZVG number → 33030
    "Changed claim: ZVG number: 33030, см. / see autofix на / on P679"
  2. 6w ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    ZVG number → 33030
    "Created claim: ZVG number: 033030, batch #275042"
  3. 17w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Encyclopedia of China (Third Edition) ID (2026) → 18qC81
    "Changed the item: QuickStatements 3.0 batch #40849: ZGBK ID"
  4. 24w ago · Twofivesixbot bot · 2026-05-19 view diff on Wikidata ↗
    Density → 1.62
    Boiling point → 388, 196.5
    Subject has role → corrosive substance, carcinogen
    Safety classification and labelling → NFPA 704: Standard System for the Identification of the Haza
    + 10 other properties edited (see Wikidata diff for full list)
    "Changed claim qualifiers: YSO ID: 18433, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.