55335-06-3
Product Name:
Triclopyr
Formula:
C7H4Cl3NO3
Synonyms:
3,5,6-Trichloro-2-pyridinyloxyacetic acid
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Colorless or white solid; [ICSC] |
|---|---|
| Color/Form | Fluffy solid |
| Boiling Point | 290 °C /decomposes/ |
| Melting Point | 150.5 °C |
| Solubility | In water, 440 mg/L at 25 °C |
| Density | 1.85 g/cu cm at 21 °C |
| Vapor Pressure | 0.00000126 [mmHg] |
| LogP | log Kow = 0.42 (pH 5), -0.45 (pH 7), -0.96 (pH 9) |
| Henry's Law Constant | Henry's Law constant = 9.7X10-10 atm-cu m/mol at 25 °C (est VP/WS) |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | When heated to decomposition it emits toxic fumes of /chloride/ and /nitrogen oxides/. |
| Dissociation Constants | pKa = 2.68 |
| Chemical Classes | Pesticides -> Herbicides, Other |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H319:Serious eye damage/eye irritation H371:Specific target organ toxicity, single exposure H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P391:Collect spillage. Hazardous to the aquatic environment P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 256.5 g/mol |
|---|---|
| XLogP3 | 3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 254.925676 g/mol |
| Monoisotopic Mass | 254.925676 g/mol |
| Topological Polar Surface Area | 59.4 Ų |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Complexity | 216 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Trichlopyr is a monocarboxylic acid that is (pyridin-2-yloxy)acetic acid substituted by chloro groups at positions 3, 5 and 6. It is an agrochemical used as a herbicide. It has a role as an environmental contaminant, a xenobiotic, a herbicide and an agrochemical. It is an aromatic ether, a chloropyridine and a monocarboxylic acid.