Document rBgv4xGa9oZm7YzJ1qbjV94oa

RECEIVED APR 13mBSd ISOMERIC TERPHENYLS MONSANTO COMPANY technical Bulletin Ho P-105 4pril 25, 1949 Monsanto Chemical Company St. Louis 4, Mo. Mixed Isomeric Terphenyls are high melting hydrocarbons of unusual stability toward heat. There Is no detectable action on the Mixed Isomeric Terphenyl from boiling 10# H2S0^ or boiling 10# NaOH. Physical Properties Density @ 25C. - g./cc................................................. Color - NPA ......................................................................... 1.133 3-5 - 4.5 Melting Point Mixed Isomeric Terphenyl does not have a sharp melting point. Begins to soften ..................................... 60C. (l40F.) Completely liquid ...................................... 145C. (293F-) Solidification Temp. Upper hold point ..................................... 137-l45C. (278-293?-) Lower hold point .................................... 48-63C. (Il8-145F.) Distillation Range D-20 modified. 364-418C. (687-784F.) Flash point...................................................... '191C. (375F-) Flame point ...................................................... 238C. (46oF.) TIm WwmHm la Me bBtoaM* I* bMBto m .................. teat Mm-- to IMmM to b* fcitoNI) M nnmI mmm niMiuHto tof wry tow --ritoto to* MV mbM to* Ml MB. UC 1 5 i 3 ^ TOWOLDMON0039204 Vapor Pressure - Mm of Mercury T. #C. 150 160 170 180 190 200 210 220 Mm. Hg. 1.3 2.0 3.0 4.6 6.8 9.8 14.0 19.0 T. C. 230 240 250 260 270 280 290 300 Mm. Hg. 26 36 48 63 83 110 140 180 T. C,. 310 320 330 340 350 360 370 380 Mm. Hg. 220 270 340 410 500 610 730 870 Electrical Properties Dielectric Constant Volume Resistivity - ohm-cm 100C. 135C. 155C. .. .. ... 2.58 140,000 x 35.000 X 550 x 10y 109 109 Comparative Hardness (Smaller figure denoting greater hardness) Average Penetration In cm. x 102 In 60 seconds at 25C . under load indicated. ASTM D-5-25 Wax Load - - - Meta Terphenyl Para Terphenyl Carnauba Wax Candelllla Wax Ortho Terphenyl 50* Paraffin & 5O5S Meta Terphenyl 75# Paraffin & 25% Meta Terphenyl Cereslne Wax 95% Paraffin & 5% Meta Terphenyl 985* Paraffin & 2% Meta Terphenyl Paraffin Wax Montan Wax Mixed Isomeric Terphenyl: Aged 24 hours Unaged 50 grs. 0 0 0 0 1.3 3-7 7-3 9-3 10.7 11.7 14.3 15.0 28.7 60.0 150 grs. 0 0 2.3 3-3 4.0 12.3 18.0 15.7 21.0 26.0 23-3 28.7 -" -- 250 grs 2.3 3-3 4.7 4.7 10.7 18.0 25-3 26.0 29.7 32.7 31-3 37.3 -- -2- Q61513J TOWOLDMONOQ39205 PENETRATION TESTS (A .S .T,M.-D-5-25) ON MIXTURES OF MIXED ISOMERIC TERPHENYL AND SOFT PARAFFIN Composition of Mixture Approx. Temp. For 1st Crystals Apparent Segre- Ration Penetration Cm x IQ2 In 60 sec. @ 25C 50 g. 150 g. 250 g % Mixed % Iso.Ter. Paraffin 100 75 50 25 0 0 25 50 75 100 143 140 135 120 52 Yes No No No No *38 #8 11 17 26 16 80 161 21 28 27 43 42 56 58 109 42 53 * Soft Portion # Hard Portion Solubility Solvent 3A Alochol ...................................................... Turpentine ...................................................... Fuel Oil, API 36 SUS 100F.-38 Benzene .............................................................. Trichlorobenzene ..................................... Stoddard's Solvent ............................... Nitromethane ................................................ Nitroethane ................................................... 1-Nltropropane .......................................... 2-Nltropropane .......................................... Ors. Mixed Isomeric Terphenyl per 100 ml. of solvent 25SC. 75C. 0.008 1.2 1.66 6.0 9.0 0.7 0.2 2.0 2.0 2.0 0.6 9.0 8.4 42.0 45.0 8.0 7-5 15.0 20.0 20.0 (See graphs of solubilities attached.) -3- 06l5L3<t TOWOLDMONOQ39206 Solubility - 20# Solution of Mixed Isomeric Terphenyl Solvent Minimum Temp. C. for complete solution (20 gms. Mixed Isomeric Terphenyl and 80 gms. _________ solvent) Tetrachloroethane ............................................. Dioxane ......................................................................... Orthodichlorobenzene ..................................... Benzoyl chloride ................................................ Monochlorobenzene ............................................. Trichlorobenzene (mixed isomers) .. Benzyl Chloride ................................................... Benzene ......................................................................... Trichloroethylene ....;............................... Pyridine ....................................................................... Chloronaphthalene .............................................. Furfural ....................................................................... Xylene ............................................................................ Bromonaphthalene ................................................ Diphenyloxide ......................................................... 53 58 58 60 6o 60 62 64 6k 66 72 72 72 73 76 Coefficients of Thermal Expansion of Mixed Isomeric Terphenyl Temp. Range 25-6oc. 60-77C. 25-77C. Coefficient of Cubical Expansion Vol./unit vol./deg. C. 8.3 x 10-!} 11.5 x 10-}} 9.4 x 10-4 Coefficient of Linear Expansion . Length/unit length/deg. C 2.8 x 10-!} 3.8 x 10-4 3.1 x 10-4 * *. ' * MONSANTO CHEMICAL COMPANY St. Louis 4, Mo. New York-Chicago-Boston-Birmingham-Charlotte-Cincinnati-Cleveland Detroit-Philadelphia-Los Angeles-San Francisco-Montreal -4- 061513b TOWOLDMONOQ39207 Tamp* SOLUBILITY OF MIXED ISOMERIC TERPHENYL TOWOLDMONOQ39208 UUinHSVItvn OOOOIOW '9NI 'ANVMOS XOO XJ003 uiiAia or* a 0*1 'wiunrniN III 'ON TOWOLDMONOQ39209