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HomeProduct name listBis(2,6-di-ter-butyl-4-methylphenyl)pentaerythritol-diphosphite

Bis(2,6-di-ter-butyl-4-methylphenyl)pentaerythritol-diphosphite

  • CAS NO.:80693-00-1
  • Empirical Formula: C35H54O6P2
  • Molecular Weight: 632.75
  • MDL number: MFCD00513695
  • EINECS: 410-290-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-06-25 11:00:14
Bis(2,6-di-ter-butyl-4-methylphenyl)pentaerythritol-diphosphite Structural

What is Bis(2,6-di-ter-butyl-4-methylphenyl)pentaerythritol-diphosphite?

Definition

The antioxidant 626, the antioxidant 9228, and the antioxidant bis (2, 6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphite (PEP-36) are representative high-performance phosphite antioxidants containing spiro rings. Compared with the general phosphite antioxidants, the antioxidant has higher antioxidant activity due to the unique spiro structure. It can be widely applied to middle and high-end formulas of general plastics and engineering plastics with harsh processing conditions. Bis (2, 6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphite is a highly effective phosphite antioxidant variety developed by Asahi Denka Kogyo Co, 20th century, late 80s to early 90s, molecular formula: C35H54O6P2, the molecular weight of 632.75, the melting point of 235-240 ℃, the flash point of 380.5 ℃ and the trade name of PEP-36.

Flammability and Explosibility

Non flammable

Properties of Bis(2,6-di-ter-butyl-4-methylphenyl)pentaerythritol-diphosphite

Melting point: 235-240°C
Boiling point: 577.0±50.0 °C(Predicted)
Density  1.19[at 20℃]
vapor pressure  0Pa at 25℃
solubility  225.1 in mg/100g standard fat at 20 ℃
Water Solubility  10μg/L at 20℃
EPA Substance Registry System 2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis[2,6-bis(1,1-dimethylethyl)-4-methylphenoxy]- (80693-00-1)

Safety information for Bis(2,6-di-ter-butyl-4-methylphenyl)pentaerythritol-diphosphite

Computed Descriptors for Bis(2,6-di-ter-butyl-4-methylphenyl)pentaerythritol-diphosphite

InChIKey SSADPHQCUURWSW-UHFFFAOYSA-N
SMILES C1C2(COP(OC3=C(C(C)(C)C)C=C(C)C=C3C(C)(C)C)OC2)COP(OC2=C(C(C)(C)C)C=C(C)C=C2C(C)(C)C)O1

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