503555-50-8

Basic information

• Product Name: 4-METHYL-6-CHLORONICOTINIC ACID
• Synonyms: 4-METHYL-6-CHLORONICOTINIC ACID;6-Chloro-4-methylnicotinic acid;6-Chloro-4-methylpyridine-3-carboxylic acid;6-Chloro-4-methylpyridine-3-carboxylic acid, 5-Carboxy-2-chloro-4-methylpyridine;6-Chloro-4-Methyl-3-pyridinecarboxylic acid;2-Chloro-4-methylpyridine-5-carboxylic acid
• CAS NO: 503555-50-8
• Molecular Formula: C7H6ClNO2
• Molecular Weight: 171.58104
• Mol File: 503555-50-8.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 344.762 °C at 760 mmHg
• Flash Point: 162.307 °C
• Appearance: /
• Density: 1.39 g/cm³
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• PKA: 2.79±0.25(Predicted)
• CAS DataBase Reference: 4-METHYL-6-CHLORONICOTINIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 4-METHYL-6-CHLORONICOTINIC ACID(503555-50-8)
• EPA Substance Registry System: 4-METHYL-6-CHLORONICOTINIC ACID(503555-50-8)

Safety Data

• RIDADR: UN2811
• Hazardous Substances Data: 503555-50-8(Hazardous Substances Data)

Usage

Description

4-Methyl-6-chloronicotinic acid, commonly known as clopyralid, is a selective herbicide that belongs to the pyridine family. It is characterized by its low toxicity in mammals and its ability to mimic plant hormones, causing abnormal growth patterns that ultimately lead to the death of the targeted plants. This chemical is particularly effective against broadleaf weeds, such as thistles and clovers, and is used in various applications to control these unwanted plants.

Uses

Used in Lawn and Turf Care:
4-Methyl-6-chloronicotinic acid is used as a selective herbicide for controlling broadleaf weeds in lawns and turf. It targets perennial weeds, ensuring a clean and well-maintained appearance.
Used in Field Margins:
In agricultural settings, 4-Methyl-6-chloronicotinic acid is used as a herbicide to manage broadleaf weeds in field margins. This helps to prevent the spread of these weeds into the main crop areas, thereby protecting the crops from competition and potential damage.
Used in Plant Hormone Mimicry:
4-Methyl-6-chloronicotinic acid is used as a plant hormone mimic, causing abnormal growth patterns in the targeted weeds. This leads to the plants' inability to grow properly and eventually results in their death, providing an effective method for weed control.
Used in Water Solubility:
The solubility of 4-Methyl-6-chloronicotinic acid in water allows for easy absorption by the plant's foliage and roots, enhancing the herbicide's effectiveness in controlling broadleaf weeds.
Used in Non-Target Plant Impact:
While 4-Methyl-6-chloronicotinic acid is effective in controlling broadleaf weeds, it can also have significant adverse effects on non-target plants. This is an important consideration when using this herbicide, as it may impact the overall health and appearance of the treated area.
Used in Compost Materials:
4-Methyl-6-chloronicotinic acid can persist in compost materials, which may lead to the transfer of its effects to other plants. This is another factor to consider when using this herbicide, as it may have unintended consequences on the composting process and the plants that are grown in the compost.

Downstream Products

• 1224464-97-4 methyl 6-chloro-4-methylnicotinate 
• 57591-95-4 ethyl 6-chloro-4-methylpyridine-3-carboxylate