2,3,6-Trichlorobenzoic acid

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2,3,6-Trichlorobenzoic acid
2,3,6-Trichlorobenzoic acid.png
Names
Preferred IUPAC name
2,3,6-Trichlorobenzoic acid
Other names
2,3,6-TBA
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.025 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 200-026-4
PubChem CID
UNII
  • 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
  • C1=CC(=C(C(=C1Cl)C(=O)O)Cl)Cl
Properties
C7H3Cl3O2
Molar mass 225.45 g·mol−1
AppearanceColorless crystalline powder
Odor Odorless
Melting point 124.5 °C (256.1 °F; 397.6 K) [1]
Vapor pressure 0.00055 mmHg [2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

2,3,6-Trichlorobenzoic acid is a post-emergent herbicide. [2] 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. [2] 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. [2] It produces hydrogen chloride gas upon heating, [4] which forms corrosive hydrochloric acid upon contact with skin or other body tissues. [5]

References

  1. ↑ 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. 1 2 3 4 "2,3,6-Trichlorobenzoic acid". Haz-Map. Retrieved November 27, 2024.
  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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