Looking for an intermediate? Start with our Ethers of Hydroquinone

Nov 5, 2010 - Advertisements that appeared within the print issues of Chem. Eng. News have been included in the C&EN Archives to provide a ...
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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