Pentaerythrityl tetrastearate Cas:115-83-3

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Pentaerythrityl tetrastearate


3-(octadecanoyloxy)-2,2-bis[(octadecanoyloxy)methyl]propyl octadecanoate (non-preferred name)
Pentaerythritl tetrastearate
octadecanoic acid, 3-[(1-oxooctadecyl)oxy]-2,2-bis[[(1-oxooctadecyl)oxy]methyl]propyl ester
Pentaerythritol Tetrastearate (so called)
pentaerythrityl tetraisostearate
EINECS 204-110-1
3-(Stearoyloxy)-2,2-bis[(stearoyloxy)methyl]propyl stearate
Pentaerythritol tetraoctadecanoate
3-(octadecanoyloxy)-2,2-bis[(octadecanoyloxy)methyl]propyl octadecanoate

 molecular formula: C77H148O8

Molecular weight: 1201.994

Chemical & Physical Properties
Density: 0.9±0.1 g/cm3
Boiling Point: 998.5±60.0 °C at 760 mmHg
Melting Point: 60-66 °C
Molecular Formula: C77H148O8
Molecular Weight: 1201.994
Flash Point: 342.4±32.9 °C
Exact Mass: 1201.117432
PSA: 105.20000
LogP: 34.01
Vapour Pressure: 0.0±0.3 mmHg at 25°C
Index of Refraction: 1.469
Appearance: White flakes or powder
Melting range: 55-65℃
Iodine value (g I2/100g) : ≤2.5
Acid value (mg KOH/g) : ≤6.0
Saponification value (mg KOH/g): 180-198
PETS has good thermal stability and low volatility at high temperature, good mold release and flow properties, and is used as a dispersant and lubricant in the rubber and plastic industries. It is especially suitable for applications requiring both thermal stability and excellent mold release properties. working condition. It plays the role of plasticizing, lubricating and demoulding in the rubber plasticizing process.
Package and Storage
25kg/drum, store at room temperature away from light.

Items of Analysis Standard of Analysis Test Results
Appearance White flakes or powder Conform
Melting range 55-65℃ 60.8-61.6℃
Iodine value (g I2/100g) ≤2.5 1.12
Acid value (mgKOH/g) ≤6.0 3.64
Saponification value (mgKOH/g) 180-198 195.2
Conclusion Conforms to Factory Standard

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