Famoxadone

Famoxadone (CAS No. 131807-57-3) 

---

1. Basic Information

IUPAC Name: 3-Anilino-5-methyl-5-(4-phenoxyphenyl)-1,3-oxazolidine-2,4-dioneSynonyms:FamoxateDPX-JE874 (DuPont code)CAS Number: 131807-57-3Molecular Formula: C₂₂H₁₈N₂O₄Molecular Weight: 374.39 g/molAppearance: White to off-white crystalline powderOdor: Odorless

---

2. Physical and Chemical Properties

Property	Value
Melting Point	140–142°C (284–288°F)
Vapor Pressure	6.4 × 10⁻⁶ mPa (25°C)
Solubility (25°C)	– Water: 0.05 mg/L
	– Acetone: 300 g/L
Log Pow	4.65 (octanol/water)
Stability	Hydrolytically stable (pH 5–9)

---

3. Chemical Structure

      O        ║    ◯-N-C-CH₃     |   |    O    ◯-O-◯

(◯ = phenyl rings; oxazolidinedione core)

---

4. Hazards (GHS Classification)

Acute Toxicity:Oral LD₅₀ (rat): >5,000 mg/kg (Category 5)Dermal LD₅₀ (rabbit): >2,000 mg/kgEnvironmental:Very toxic to aquatic life (H400)Toxic to bees (Hazardous to pollinators)NFPA Rating: Health 1, Flammability 1, Reactivity 0

---

5. Storage and Handling

Storage:Keep in tightly sealed containers at <30°CProtect from moisture and direct sunlightHandling:Use nitrile gloves and dust maskAvoid spray drift during application

---

6. Applications

Fungicide:Controls downy mildew, late blight in grapes & potatoesUsed in mixtures with cymoxanil (e.g., Equation Pro®)Mode of Action: QoI (Quinone outside inhibitor) – Complex III in mitochondria

Disclaimer:

The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.