Chlorthal

Chlorthal
	Skeletal formula of chlorthal
Names
	Preferred IUPAC name 2,3,5,6-tetrachloroterephthalic acid
	Other names Tetrachloroterephthalic acid; Perchloroterephthalic acid;
Identifiers
CAS Number	2136-79-0;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:179164;
ChemSpider	15635;
ECHA InfoCard	100.203.551
EC Number	678-503-5;
PubChem CID	16493;
UNII	96C2WU8832;
CompTox Dashboard (EPA)	DTXSID3039400 ;
	InChI InChI=1S/C8H2Cl4O4/c9-3-1(7(13)14)4(10)6(12)2(5(3)11)8(15)16/h(H,13,14)(H,15,16) Key: KZCBXHSWMMIEQU-UHFFFAOYSA-N;
	SMILES C1(=C(C(=C(C(=C1Cl)Cl)C(=O)O)Cl)Cl)C(=O)O;
Properties
Chemical formula	C8H2Cl4O4
Molar mass	303.90 g·mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319
Precautionary statements	P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chlorthal is an herbicide.^[1] Its formula is C₈H₂Cl₄O₄. It is a derivative of terephthalic acid.^[2] The chemical is used more often in agricultural settings than it is in household weed treatment.^[3]

References

^ Dionisio KL, Phillips K, Price PS, Grulke CM, Williams A, Biryol D, et al. (July 10, 2018). "The Chemical and Products Database, a resource for exposure-relevant data on chemicals in consumer products". Scientific Data. 5 (1): 180125. Bibcode:2018NatSD...580125D. doi:10.1038/sdata.2018.125. ISSN 2052-4463. PMC 6038847. PMID 29989593.
^ Melnikov NN (1971), Melnikov NN, Gunther FA, Gunther JD (eds.), "Aromatic carboxylic acids and their derivatives", Chemistry of Pesticides, New York, NY: Springer US, pp. 141–156, doi:10.1007/978-1-4684-6251-7_13, ISBN 978-1-4684-6251-7, retrieved January 30, 2025
^ Deziel NC, Colt JS, Kent EE, Gunier RB, Reynolds P, Booth B, et al. (March 25, 2015). "Associations between self-reported pest treatments and pesticide concentrations in carpet dust". Environmental Health. 14 (1): 27. Bibcode:2015EnvHe..14...27D. doi:10.1186/s12940-015-0015-x. ISSN 1476-069X. PMC 4374193. PMID 25889489.

[1] Dionisio KL, Phillips K, Price PS, Grulke CM, Williams A, Biryol D, et al. (July 10, 2018). "The Chemical and Products Database, a resource for exposure-relevant data on chemicals in consumer products". Scientific Data. 5 (1): 180125. Bibcode:2018NatSD...580125D. doi:10.1038/sdata.2018.125. ISSN 2052-4463. PMC 6038847. PMID 29989593.

[2] Melnikov NN (1971), Melnikov NN, Gunther FA, Gunther JD (eds.), "Aromatic carboxylic acids and their derivatives", Chemistry of Pesticides, New York, NY: Springer US, pp. 141–156, doi:10.1007/978-1-4684-6251-7_13, ISBN 978-1-4684-6251-7, retrieved January 30, 2025

[3] Deziel NC, Colt JS, Kent EE, Gunier RB, Reynolds P, Booth B, et al. (March 25, 2015). "Associations between self-reported pest treatments and pesticide concentrations in carpet dust". Environmental Health. 14 (1): 27. Bibcode:2015EnvHe..14...27D. doi:10.1186/s12940-015-0015-x. ISSN 1476-069X. PMC 4374193. PMID 25889489.

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