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45896 Silicone oil, high temperature, usable temperature range: 25 to 250°C (open system) and 25 to 315°C (closed system)

CAS Number
68083-14-7
Synonyms
Poly(dimethylsiloxane-co-diphenylsiloxane)
Dimethyl diphenyl polysiloxane

Stock No. Size Price ($) Quantity Availability
45896-22 100g 54.20
45896-36 500g 168.00
45896-A4 2.5kg 572.00
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Silicone oil, high temperature, usable temperature range: 25 to 250°C (open system) and 25 to 315°C (closed system)

MDL
MFCD00132673

Chemical Properties

Formula
[Si(CH3)2O]x[Si(C6H5)2O]y
Form
Liquid
Flash Point
>300°(572°F)
Density
1.07
Refractive Index
1.505
Storage & Sensitivity
Ambient temperatures.
Solubility
Miscible with aliphatic, aromatic hydrocarbons, alcohol and chlorinated hydrocarbons. Immiscible with water, methanol and ethylene glycol.

Applications

Silicone oil is used in high temperature open systems, closed systems and circulating, closed loop and heat transfer baths. It is used as a high temperature fluid for laboratory research apparatus and instruments. It is also used as a calibration media in temperature controlled baths.

Notes

Viscosity at temperature:

  • 250°C — 7cSt (mm2/sec)
  • 200°C — 11cSt
  • 100°C — 46cSt
  • 50°C — 167cSt
  • 25°C — 400cSt
  • 0°C — 1,770cSt
  • -25°C — 24,800cSt

Although it has a pour point of -30°C, this product is not recommended for use in low temperature bath applications due to its acutely higher viscosities at lower temperatures.

Literature References

Pang, H.; Zhou, S.; Wu, L.; Chen, M.; Gu, G. Fabrication of silicone oil microcapsules with silica shell by miniemulsion method. Colloids Surf A Physicochem Eng Asp 2010, 364 (1-3), 42-48.

He, B.; Duan, F. Evaporation and convective flow pattern of a heated pendant silicone oil droplet. Int J Heat Mass Transf 2015, 85, 910-915.

Other References

Merck
14,8495
Harmonized Tariff Code
3910.00
TSCA
Yes
RTECS
VW3146875

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