2,3,6-Trichlorobenzoic acid

2,3,6-Trichlorobenzoic acid
Names
	Other names 2,3,6-TBA
Identifiers
CAS Number	50-31-7;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:81946;
ChEMBL	ChEMBL2260696;
ChemSpider	5556;
ECHA InfoCard	100.000.025
EC Number	200-026-4;
PubChem CID	5759;
UNII	VI4ST7ZIQG;
CompTox Dashboard (EPA)	DTXSID6040296 ;
	InChI InChI=1S/C7H3Cl3O2/c8-3-1-2-4(9)6(10)5(3)7(11)12/h1-2H,(H,11,12) Key: XZIDTOHMJBOSOX-UHFFFAOYSA-N;
	SMILES C1=CC(=C(C(=C1Cl)C(=O)O)Cl)Cl;
Properties
Chemical formula	C7H3Cl3O2
Molar mass	225.45 g·mol−1
Appearance	Colorless crystalline powder
Odor	Odorless
Melting point	124.5 °C (256.1 °F; 397.6 K)
Vapor pressure	0.00055 mmHg
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2,3,6-Trichlorobenzoic acid is a post-emergent herbicide.^[1] Its formula is C₇H₃Cl₃O₂.

In the United States, it has been cancelled for use as an active ingredient in herbicide mixtures and is no longer sold in herbicidal products.^[1] It was sold in formulations under a wide variety of trade names, including Benzak and Trysben.^[3]

Safety

2,3,6-Trichlorobenzoic acid causes liver damage.^[1] It produces hydrogen chloride gas upon heating,^[4] which forms corrosive hydrochloric acid upon contact with skin or other body tissues.^[5]

References

^ ^a ^b ^c ^d "2,3,6-Trichlorobenzoic acid". Haz-Map. Retrieved November 27, 2024.
^ Lide D, Milne G, eds. (1994). Handbook of Data on Organic Compounds. Vol. 1 (3rd ed.). Boca Raton, Florida: CRC Press, Inc. p. V2: 1515.
^ "2,3,6-Trichlorobenzoic acid". PubChem. National Center for Biotechnology Information. Retrieved November 27, 2024.
^ Lewis R Sr, ed. (2004). Sax's Dangerous Properties of Industrial Materials (11th ed.). Hoboken, NJ: Wiley-Interscience, Wiley & Sons, Inc. p. 3523.
^ "Hydrogen Chloride". Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants. Vol. 3. National Academies Press (US). 2009. Retrieved November 27, 2024.

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[HazMap-1] "2,3,6-Trichlorobenzoic acid". Haz-Map. Retrieved November 27, 2024.

[2] Lide D, Milne G, eds. (1994). Handbook of Data on Organic Compounds. Vol. 1 (3rd ed.). Boca Raton, Florida: CRC Press, Inc. p. V2: 1515.

[3] "2,3,6-Trichlorobenzoic acid". PubChem. National Center for Biotechnology Information. Retrieved November 27, 2024.

[4] Lewis R Sr, ed. (2004). Sax's Dangerous Properties of Industrial Materials (11th ed.). Hoboken, NJ: Wiley-Interscience, Wiley & Sons, Inc. p. 3523.

[5] "Hydrogen Chloride". Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants. Vol. 3. National Academies Press (US). 2009. Retrieved November 27, 2024.

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