• Name

  O,O'-Dioctadecylpentaerythritol bis(phosphite)

• EINECS 223-276-6
• CAS No. 3806-34-6
• Article Data6
• CAS DataBase
• Density 1.05[at 20℃]
• Solubility 330ng/L at 25℃
• Melting Point 44-47 °C(lit.)
• Formula C₄₁H₈₂O₆P₂
• Boiling Point 692.244 °C at 760 mmHg
• Molecular Weight 733.046
• Flash Point 470.661 °C
• Transport Information
• Appearance
• Safety
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms Phosphorousacid, cyclic neopentanetetrayl dioctadecyl ester (8CI);Phosphorous acid,dicyclic ester with pentaerythritol, dioctadecyl ester (6CI);Phosphorous acid,octadecyl ester, cyclic diester with pentaerythritol (7CI);Pentaerythritol,cyclic bis(octadecyl phosphite) (8CI);ADK Stab PEP 8;ADK Stab PEP 8F;Antioxidant 618;Cyclic neopentanetetraylbis(octadecylphosphite);Dioctadecyl pentaerythritol diphosphite;Dioctadecylpentaerythritol diphosphonite;Distearylpentaerythritol disphosphite;Distearyl pentaerythrityl diphosphite;DoverphosS 680;Mark PEP 8;PEP 8;Pentaerythritol bis(octadecyl phosphite);Pentaerythritol bis(stearyl phosphite);Weston 618;Weston 619F;Weston MDW 618;Weston WX 618;
• PSA 82.56000
• LogP 15.07640

Synthetic route

112-92-5

1-octadecanol

115-77-5

Pentaerythritol

3806-34-6

dioctadecyl pentaerythritol diphosphite

Conditions

Conditions	Yield
With lithium hydroxide; triethyl phosphite at 130 - 160℃; for 2h; Temperature; Reagent/catalyst; Time;	98.2%

112-92-5

1-octadecanol

pentaerythritol diphosphite

3806-34-6

dioctadecyl pentaerythritol diphosphite

Conditions

Conditions	Yield
at 160℃; for 0.00694444h; Time; Temperature;

O,O'-Dioctadecylpentaerythritol bis(phosphite) Chemical Properties

O,O'-Dioctadecylpentaerythritol bis(phosphite) Safety Profile

O,O'-Dioctadecylpentaerythritol bis(phosphite) Specification