**Product Name:** 2,4-D (2,4-Dichlorophenoxyacetic Acid)
**Other Names:** 2,4-D, 2,4-D acid, 2,4-dichlorobenzene oxyacetic acid, Amidox, B-Selektonon, U-5043, Crotilin
**CAS Number:** 94-75-7
**Molecular Formula:** C₈H₆Cl₂O₃
**Molecular Weight:** 221.04 g/mol
**Grade:** CP (Chemical Pure)
**Purity:** ≥ 98.0%
**Melting Point:** 138–141°C
**Ethanol Solubility Test:** Qualified
**Loss on Drying:** ≤ 1.0%
**Appearance:** White crystalline solid
**Solubility:** Soluble in ethanol, ether, and other organic solvents; nearly insoluble in water
**Relative Density (d₃₀â´):** 1.565
**Boiling Point:** 160°C (at 53.33 Pa)
**Toxicity:** Moderately toxic. LDâ‚…â‚€ (rat, oral): 375 mg/kg
**Potential Carcinogenicity:** Not classified as a known carcinogen
**Applications:** Used as a herbicide, plant growth regulator, and standard for organic microanalysis of carbon and hydrogen. It is also used in biochemical research.
**Description:**
2,4-D is a synthetic auxin, commonly used as a broad-spectrum herbicide to control weeds, particularly in agriculture and lawn care. It works by mimicking natural plant hormones, causing uncontrolled growth that ultimately leads to the death of the plant. This compound is highly effective in plant growth hormone assays and is widely used in scientific research.
In the presence of chromotropic acid, 2,4-D produces a distinct purple color, making it suitable for colorimetric analysis. It can be degraded by certain bacteria such as Gram-negative cocci and *Flavobacterium aquatile*.
**Storage:** Store at room temperature (RT), away from moisture and direct sunlight. Keep container tightly closed when not in use.
This product is ideal for laboratories conducting plant physiology studies, environmental testing, or chemical analysis. Always handle with care and follow safety guidelines.
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