QO TETRAHYDROFURFURYL COMBINE THESE PHYSICAL PROPERTIES Γ
7
with a new low price and see the possibilities General Properties Molecular weight B o i l i n g point ( 7 6 0 m m ) ° C . (pure) F r e e z i n g p o i n t , °C R e f r a c t i v e i n d e x (n t / D ) a! 2 0 ° C at 2 5 ° C Specific g r a v i t y at 2 0 2 0 ° C at 2 4 2 4 C at 3 1 3 1 °C Flash p o i n t , T a g l i a b u e , o p e n c u p ,
102-13 178 below-80 1.4520 1.4499 1.0543 1.0511 1.O450 183
V
Thermodynamic Properties H e a t c a p a c i t y , c a l / g . , °C. 20-27°C 30-37°C 40-47°C Heat of combustion, c a l / g . m o l e at c o n s t a n t v o l u m e at c o n s t a n t p r e s s u r e T h e r m a l e x p a n s i o n , 2 0 - 3 7 . 8 ° C , OC χ 10-3
0-424 0.432 0.445 708.6 709.5 0.52
Fluid Properties Viscosity, absolute, 20°C. centipoises S u r f a c e t e n s i o n , d y n e s , c m at 2 5 ° C
6.2.4 37
Electrical Properties Dielectric constant, 23°C
13.6
Other Properties Octane number S o l u b i l i t y : Water, a l c o h o l , ether, acetone, c h l o r o f o r m , b e n z e n e Kauri-Butanol value E v a p o r a t i o n rate ( i j - b u t y I a c e t a t e = 100) D i l u t i o n ratio (lacquer ingredients) I n f l a m m a b i l i t y , air upper limit,. % by v o l lower limit, % by vol
82.5 CO 71.5 7 4.5 9-7 1.5
The Quaker Qats Company CHEMICALS
DEPARTMENT
3 3 3 H The M e r c h a n d i s e M a r t , C h i c a g o 5 4 , I l l i n o i s R o o m 5 3 3 H , 1 2 0 W a l l Street, N e w Y o r k 5 , N e w
York
R o o m 4 3 3 H , 4 8 S.E. H a w t h o r n e B l v d . , P o r t l a n d Î 4 ,
70
C&EN
SEPT.
8,
1956
Oregon
ALCOHOL (THFA) WITH THESE CHEMICAL CHARACTERISTICS
this chemical offers you A few o f t h e c h e m i c a l reactions
^
J— CHaOCR esters
CH
Ό
CHCHuOH
dihydropyran
X l^
J—CH
I
tefrahyd rofurfury I
o=c
omme
NH
I
c=o
Η 5-(2-tetrahydrofuryl) hydantoin
HOCHifCHzîaCHaOH 1 ^5-pentanediol AcOCH J ( C H 2) 2CH (O Ac)CH 2 0 Ac 1,2,5—triacetoxypentane
Thé
QyakerOafs Company
%
w CLO CHIMMA1S
I n Europe: Quaker Oats-Graanproducten N . V., Rotterdam, The Nterhertartds; Quaker Oats (France) S. Α., 3, Rue Pillet-Will, Parii IX. France; A 5 " O t a / * Copenhagen, S. Denmark
. *
In Australia: Swift &. Company, Ltd., Sydney In J a p a n : F. Kartematsu &. Company, Ltd., Tokyo
N*"
Write for our Bulletin 206 o n QO tetrahydrofurfuryl a l c o h o l ; it presents chem istry, physical properties and uses of THFA.
SEPT.
8.
1958 C&EN
71
