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MedKoo Cat#: 330176 | Name: Triclopyr
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

Triclopyr, also known as 3,5,6-Trichloro-2-pyridinyloxyacetic acid, is a systemic foliar herbicide and fungicide. Triclopyr is used to control broadleaf weeds while leaving grasses and conifers unaffected or to control rust diseases on crops.

Chemical Structure

Triclopyr
Triclopyr
CAS#55335-06-3 (free acid)

Theoretical Analysis

MedKoo Cat#: 330176

Name: Triclopyr

CAS#: 55335-06-3 (free acid)

Chemical Formula: C7H4Cl3NO3

Exact Mass: 254.9257

Molecular Weight: 256.46

Elemental Analysis: C, 32.78; H, 1.57; Cl, 41.47; N, 5.46; O, 18.71

Price and Availability

Size Price Availability Quantity
5g USD 275.00
25g USD 650.00
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Related CAS #
55335-06-3 (free acid) 57213-69-1 (TEA)
Synonym
Triclopyr; NSC 190671; NSC190671; NSC-190671;
IUPAC/Chemical Name
3,4,5-Trichloro-2-pyridinyloxyacetic acid
InChi Key
XXYWRXQQAFAFSI-UHFFFAOYSA-N
InChi Code
InChI=1S/C7H4Cl3NO3/c8-3-1-11-7(6(10)5(3)9)14-2-4(12)13/h1H,2H2,(H,12,13)
SMILES Code
O=C(O)COC1=NC=C(Cl)C(Cl)=C1Cl
Appearance
Solid powder
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 256.46 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: Pandey A, Sharma S, Jain R. Voltammetric sensor for the monitoring of hazardous herbicide triclopyr (TCP). J Hazard Mater. 2019 Apr 5;367:246-255. doi: 10.1016/j.jhazmat.2018.12.083. Epub 2018 Dec 23. PubMed PMID: 30594724. 2: Li W, Mao J, Dai X, Zhao X, Qiao C, Zhang X, Pu E. Residue determination of triclopyr and aminopyralid in pastures and soil by gas chromatography-electron capture detector: Dissipation pattern under open field conditions. Ecotoxicol Environ Saf. 2018 Jul 15;155:17-25. doi: 10.1016/j.ecoenv.2018.02.035. Epub 2018 Feb 27. PubMed PMID: 29494835. 3: Tayeb MA, Ismail BS, Khairiatul-Mardiana J. Runoff of the herbicides triclopyr and glufosinate ammonium from oil palm plantation soil. Environ Monit Assess. 2017 Oct 11;189(11):551. doi: 10.1007/s10661-017-6236-4. PubMed PMID: 29022154. 4: Isbister KM, Lamb EG, Stewart KJ. Herbicide Toxicity Testing with Non-Target Boreal Plants: The Sensitivity of Achillea millefolium L. and Chamerion angustifolium L. to Triclopyr and Imazapyr. Environ Manage. 2017 Jul;60(1):136-156. doi: 10.1007/s00267-017-0867-7. Epub 2017 Apr 19. PubMed PMID: 28424880. 5: Yahnke AE, Grue CE, Hayes MP, Pearman-Gillman S. Effects of the herbicide triclopyr on metamorphic northern red-legged frogs. Environ Toxicol Chem. 2017 Sep;36(9):2316-2326. doi: 10.1002/etc.3767. Epub 2017 Mar 21. PubMed PMID: 28186362. 6: Ivanova B. Erratum to: Solid-state UV-MALDI mass spectrometric quantitation of fluroxypyr and triclopyr in soil. Environ Geochem Health. 2016 Oct;38(5):1215. PubMed PMID: 26711241. 7: Maddila S, Rana S, Pagadala R, Maddila SN, Vasam C, Jonnalagadda SB. Ozone-driven photocatalyzed degradation and mineralization of pesticide, Triclopyr by Au/TiO2. J Environ Sci Health B. 2015;50(8):571-83. doi: 10.1080/03601234.2015.1028835. PubMed PMID: 26065517. 8: Souza-Alonso P, Guisande A, González L. Structural changes in soil communities after triclopyr application in soils invaded by Acacia dealbata Link. J Environ Sci Health B. 2015;50(3):184-9. doi: 10.1080/03601234.2015.982419. PubMed PMID: 25602151. 9: Ivanova B, Spiteller M. Solid-state UV-MALDI mass spectrometric quantitation of fluroxypyr and triclopyr in soil. Environ Geochem Health. 2015 Jun;37(3):557-74. doi: 10.1007/s10653-014-9673-9. Epub 2015 Jan 3. Erratum in: Environ Geochem Health. 2016 Oct;38(5):1215. PubMed PMID: 25555463. 10: Cho S, Kim J, Jeon Y, Kim TH. Crystal structure of triclopyr. Acta Crystallogr Sect E Struct Rep Online. 2014 Aug 1;70(Pt 9):o940. doi: 10.1107/S160053681401681X. eCollection 2014 Sep 1. PubMed PMID: 25309266; PubMed Central PMCID: PMC4186132. 11: Guilherme S, Santos MA, Gaivão I, Pacheco M. Genotoxicity evaluation of the herbicide Garlon(®) and its active ingredient (triclopyr) in fish (Anguilla anguilla L.) using the comet assay. Environ Toxicol. 2015 Sep;30(9):1073-81. doi: 10.1002/tox.21980. Epub 2014 Mar 13. PubMed PMID: 24623388. 12: Baglieri A, Nègre M, Trotta F, Bracco P, Gennari M. Organo-clays and nanosponges for acquifer bioremediation: adsorption and degradation of triclopyr. J Environ Sci Health B. 2013;48(9):784-92. doi: 10.1080/03601234.2013.780943. PubMed PMID: 23688229. 13: Díaz AN, Sánchez FG, Baro EN, Díaz AF, Aguilar A, Algarra M. Sensitive chemiluminescent immunoassay of triclopyr by digital image analysis. Talanta. 2012 Aug 15;97:42-7. doi: 10.1016/j.talanta.2012.03.060. Epub 2012 May 10. PubMed PMID: 22841045. 14: Kimura O, Tsukagoshi K, Hayasaka M, Endo T. Uptake of triclopyr (3,5,6-trichloro-2-pyridinyloxyacetic acid) and dicamba (3,6-dichloro-2-methoxybenzoic acid) from the apical membranes of the human intestinal Caco-2 cells. Arch Toxicol. 2012 Jan;86(1):55-61. doi: 10.1007/s00204-011-0734-x. Epub 2011 Jul 16. PubMed PMID: 21766207. 15: Zhang X, Acevedo S, Chao Y, Chen Z, Dinoff T, Driver J, Ross J, Williams R, Krieger R. Concurrent 2,4-D and triclopyr biomonitoring of backpack applicators, mixer/loader and field supervisor in forestry. J Environ Sci Health B. 2011;46(4):281-93. doi: 10.1080/03601234.2011.559424. PubMed PMID: 21500074. 16: Kyong YY, Lee KU, Choi KH. Severe systemic intoxication following triclopyr-TEA ingestion. Clin Toxicol (Phila). 2010 Nov;48(9):942-4. doi: 10.3109/15563650.2010.526944. PubMed PMID: 21171852. 17: Eyheraguibel B, Ter Halle A, Richard C. Photodegradation of bentazon, clopyralid, and triclopyr on model leaves: importance of a systematic evaluation of pesticide photostability on crops. J Agric Food Chem. 2009 Mar 11;57(5):1960-6. doi: 10.1021/jf803282f. PubMed PMID: 19222158. 18: Sanchez FG, Diaz AN, Herrera RG, San Jose LP. Development and characterisation of an immunoaffinity chromatographic column for the on-line determination of the pesticide triclopyr. Talanta. 2007 Feb 28;71(3):1411-6. doi: 10.1016/j.talanta.2006.07.015. Epub 2006 Aug 23. PubMed PMID: 19071466. 19: Carney EW, Billington R, Barlow SM. Developmental toxicity evaluation of triclopyr butoxyethyl ester and triclopyr triethylamine salt in the CD rat. Reprod Toxicol. 2007 Feb;23(2):165-74. Epub 2006 Nov 28. PubMed PMID: 17194567. 20: Qamar M, Muneer M, Bahnemann D. Heterogeneous photocatalysed degradation of two selected pesticide derivatives, triclopyr and daminozid in aqueous suspensions of titanium dioxide. J Environ Manage. 2006 Jul;80(2):99-106. Epub 2005 Dec 13. PubMed PMID: 16359776.