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Tliorrninol 77 Preliminary Technical Data Sheet
August 30, 1963
DEVELOPMENT DEPARTMENT MONSANTO CHEMICAL COMPANY
ORGANIC CHEMICALS DIVISION ST. LOUIS 66, MISSOURI
TO ASSIST'YOU IN THE EVALUATION OF THE ABOVE PRODUCT, WE HAVE OBTAINED THE INFORMATION CONTAINFt) IN THIS BULLETIN FROM LITERATURE SOURCES AND PRELIMINARY INVESTIGATION IN OUR OWN LABORATORIES. WHILE WE BELIEVE THE INFORMATION IS ACCURATE. WE ASSUME NO RESPONSIBILITY AND DISCI AIM ANY LIABILITY INCURRED IN USING THESE DATA OR SUGGESTIONS. ONLY QUALIFIED TECHNICAL PERSONNEL SHOULD WORK WITH THIS PRODUCT UNTIL SUBSEQUENT STUDIES JUSTIFY ITS USE IN YOUR PROD UCTS OR PROCESSES. OBVIOUSLY NOTHING IN THIS BULLETIN SHOULD BE CONSTRUED AS A RECOMMEN DATION TO USE ANY PRODUCT IN CONFLICT WITH EXISTING PATENTS COVERING ANY MATERIAL OR ITS USE.
The rminol 77 is a clear, amber fluid with exceptionally hip.h thermal and oxidative stability. It was especially designed 1[or use os a liquid-pha heal transfer fluid at temperatures above 600F. Following arc some flu
proper t. Ie s :
Temp. F
100 ?10 300 600 5 no 600 700 800
Temp. _ F
100 200 300 600 300 600 700 800
Vapor Pressure _ (m,TI 1])
Vi scosi tv
(cs)
(Lbs/Ft-Hr)
Density (GMS/cc) (Lbs/Gal)
____
--
0.27 1.03 9.2 V. 168 5 30
181 7.78
--
1.50 0.96 0.66 0.4 6*
---
Specific Heat (BTU/Lb)
0.350 0.383 0.620 0.435 0.695 0.530 0.365 0.600
505 20.8
--
3.76 2.28 1.69 0.99
---
1.152 1.106
--
1.029 0.981 0.931 0.885
---
9.60 9,22
--
8.58 8.16 7.76 7.38
--
Thermal Conductivity (Ca1/cm >C._se c) . _ (BTU/F. F
32.25 X 10"5 31.60 X 10'5 30.50 X 10-5 29.65 X 10"5 28.80 X 10"5
---
-.--
---
0.0781 0.0760 0.0739 0.0719 0.0698
--
-- --
*Extr apo1 a tion
0045S70
TOWOLDMONOQ43773
Refractive 'index
1.6613
Pour Point rUsh Point Fire Point A. I. T. `thermal Decomposition
460F 540F
ni5cr
800F
Electrical Properties Dielectric Constant at 100"C
60 Cycle 3.77
1000 Cycle 3.54
Power Factor at lOO^'C^ %
_ , ,.
,
Resistivity. ohvn- cm
Jy
19.3
-a--t-----1--0-0 C 29 x 107
1.21
Oxjdat J on_-Corroai on Test (A8_hr8j 450^FA Ait, MIL-L-9236A Method^
X Viscosity Tncr. at 100F at 210F
2 Metal Weight Loss, mg/cm
Cu ' Fo
Kg Ag Ti A1
37 13
"'1.56 -to.01
+0.02 -0.99
0.0 0.0
Toxicity and Safe Handling:
Appropriate animal toxicity studies indicate that Therminol 77 is "practically non-toxic" from the standpoint of accidental swallowing or single massive skin exposures. Irritation potential studies indicate that it should not be irritating, to the skin and only slight,ly irritating, to the eyes if there is accidental contact:. Animals survived a single four-hour exposure to an atmosphere saturated with vapors at room temperature. It appears that: no particular safety precautions are necessary during the handling of this fluid at room temperature.
^Thermal decomposition was determined by the isot(niscope method as described in the"Journal of Chemical and Engineering Data*,' January 1961, Volume 6, No. 1. It is defined as the temperature at which dp/dt - 0.016 mm. 11 g, per second or 500 mm. lip. per 10 hours.
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