75.7% Glyphosate Ammonium Salt WSG Formulation

CAS Number 114370-14-8
Chemical Name 75.7% Glyphosate Ammonium Salt WSG
Molecular Weight 220.16
Molecular Formula C3H17N4O5P
Synonyms Glyphosate ammonium salt; Ammonium glyphosate
EINECS 601-309-9
Appearance White, off-white granular solid
Storage conditions Store at 0℃-30℃ away from light
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Parameters of  75.7% Glyphosate Ammonium Salt WSG

 

CAS Number 114370-14-8
Chemical Name 75.7%  Glyphosate Ammonium Salt WSG
Molecular Weight 220.16
Molecular Formula C3H17N4O5P
Synonyms Glyphosate ammonium salt; Ammonium glyphosate
EINECS 601-309-9
Appearance White, off-white granular solid
Storage conditions Store at 0℃-30℃ away from light
Melting point Decomposes above 200°C (no distinct melting point before decomposition)
Density Approximately 1.7 g/cm³ (solid)
Vapor pressure < 0.1 mPa at 25°C (very low volatility)
Water solubility Approximately 120 g/L at 20°C
LogP Approximately -3.0 (highly hydrophilic)

 

Mechanism of Action and Applications


1. Herbicidal mechanism:

Inhibits 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) in plants, blocking the synthesis of aromatic amino acids (phenylalanine, tyrosine, tryptophan) and resulting in plant death.


2. Systemic conductivity:

Can be absorbed through leaves and stems and translocated to the entire plant, effective against both annual and perennial weeds.


3.Applicable scenarios:


◦ Agriculture: Directed weeding in orchards (citrus, apple, etc.), tea gardens, corn/soybean fields, etc. (Pesticide Digital Supervision and Management Platform).
◦ Non-cultivated land: Broad-spectrum total weed control in areas such as roadsides, railway sides, and forest fire prevention paths (Pesticide Digital Supervision and Management Platform).
◦ Formulation advantages: Often mixed with fluoroglycofen-ethyl, 2,4-D, etc., to expand the weed control spectrum.

Safety and Environmental Impact


1. Toxicity:


◦ Acute toxicity: The acute oral LD₅₀ in rats is > 5000 mg/kg, classified as low toxicity; causes mild irritation to skin and eyes.
◦ Chronic toxicity: No teratogenic, carcinogenic, or mutagenic effects, with low risk of long-term exposure to mammals.


2. Environmental behavior:

◦ Soil degradation: Easily decomposed by microorganisms, with a half-life of 1-12 weeks (affected by soil pH and temperature).
◦ Ecological impact: Low toxicity to soil microorganisms and most aquatic organisms, but direct contamination of water bodies should be avoided.

Formulations and Usage


1. Common formulations:


◦ Aqueous solutions: Contents such as 20%, 30%, 41%, e.g., 41% glyphosate ammonium salt aqueous solution (Pesticide Digital Supervision and Management Platform).
◦ Soluble granules: High-concentration formulations (e.g., 77.7%, 88.8%), convenient for transportation and storage.

2. Usage precautions:


◦ Directed spraying: Avoid drift of the liquid to sensitive crops (e.g., citrus, grapes); it is recommended to install a protective cover (Pesticide Digital Supervision and Management Platform).
◦ Soil treatment: Becomes inactive after binding with metal ions in soil, so it is only used for foliar treatment (Pesticide Digital Supervision and Management Platform).
◦ Pre-harvest interval: 14 days for most crop fields, with a maximum of 2 applications per season.

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