Diethyl Phenylphosphonite, CAS 1638-86-4
Diethyl Phenylphosphonite (CAS 1638-86-4), also known as Phenylphosphonous Acid Diethyl Ester or Diethoxyphenylphosphine, is an organophosphorus compound with the molecular formula C₁₀H₁₅O₂P and molecular weight of 198.20. It is a clear liquid and is mainly used as a specialty chemical intermediate and organophosphorus building block in chemical synthesis.
Hosea Chem supplies high-quality Diethyl Phenylphosphonite CAS 1638-86-4 for industrial and specialty chemical applications, competitive bulk pricing and professional international export services.
Product Chemical Properties
Product Name: Diethyl Phenylphosphonite
Synonyms: Phenylphosphonous Acid Diethyl Ester; Diethoxyphenylphosphine
CAS No.: 1638-86-4
Molecular Formula: C10H15O2P
Molecular Weight: 198.20
EINECS number: 216-676-7
Boiling point: 235°C at 760mmHg
Flash point: 113°C
Refractive index: n20/D 1.51(lit.)
Density: 1.032 g/mL at 25 °C(lit.)

Product Technical Specification
Appearance: Colorless transparent liquid
Content %: ≥ 98.0
Applications of Diethyl Phenylphosphonite
Diethyl Phenylphosphonite is mainly used as a chemical intermediate and organophosphorus building block in organic synthesis and specialty chemical manufacturing. It is suitable for research, development and industrial chemical synthesis where phosphorus-containing intermediates are required.
Packaging
Drum
Production Capacity
12000 MT per year.
Storage Requirements
Store in a cool, dry and well-ventilated area. Keep containers tightly closed when not in use.
Diethyl Phenylphosphonite Bulk Supply from China
Hosea Chem® offers Diethyl Phenylphosphonite in bulk quantities with competitive factory-direct pricing and reliable export service. We support international shipments by drum and other suitable packaging options. TDS and MSDS are available upon request.
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