Looking for an intermediate? S t a r t with our Ethers of Hydroquinone and E d Scarff Ed Scarff would like nothing better than t o have you review the properties of t h e hydroquinones, see a possible use for one of these intermediates, then write directly t o him for application assist ance. H e has helped many of our customers p u t these chemicals to practical use. Manufacturers are currently using D. M . B. i n the preparation of pharmaceuticals, plasticizers, dyestuffs, and in organic syntheses. Small quanti ties of H.A., for instance, will stabilize chlorinated hydrocarbons, ethyl cellulose, motor fuel, rubber and plastics. Write directly to E d Scarff, A N S U L CHEMICAL COMPANY, Chemical Products Department C-26, Marinette, Wisconsin.
2876
C&EN
JUNE
I I , 1956
AMSUL ETHER-D.M.B. JkJ"3 1,4 Dimethoxy \ \ \ Benzene (Hydroquinone ^ s ^ ^ dimethyl ether) 7^„ 1 0CH3
PROPERTIES
ANSUL ETHER-H.A. Hydroxy Anisole (Hydroquinone monomethyl ether)
ΩΗ JC! γ
1 |]
^ s / ^ 0CH3
I
Molecular weight
138.16
124.1
1 1
l
Melting point
56.3°C.
52.5°C.
1
213.0°C.(q> 760 mm Hg.
246.0°C.@ 760 mm Hg.
|
1.038© 55/55=>C.
1.55 @ 20/20°C.
j
j |
(ft, 25°C. in grams/100 grams of solvent 4.1 69.5 426.0 456.0 245.0 colorless, waxy flakes
|
1 Boiling point
j
1 Density, g / 1 . Solubility
1 Color and form
!
@ 25°C. i n grams/100 grams of solvent insoluble 177.0 233.0 33.3 150.0 white to colorless flakes
1 Odor
|
pleasant (sweet clover)
in water i n benzene i η acetone in ethanol i η ethyl acetate
characteristic