HIGH-GRADE3
New Tar Acids Booklet.,
.Yours for the asking
Barrett has just recently completed this 90-page brochure, which -will serve as an invaluable reference work to those interested in phenols, cresols, cresylic acids and xylenols. Here you'll find a complete rundown on the chemical and physical properties of Barrett Tar Acids . . . along with the vital data on reactions in principal applications. Drop us a postcard and we'll b e glad t o mail you your free copy!
BARRETT CHEMICALS BARRETT D I V I S I O N , Allied Chemical & D y e Corporation, 4 0 Rector Street, N e w York 6 , Ν. Υ. In Canada: The Barrett Co., Ltd., 5551 St. Hubert Street, Montreal, P.Q. OVER 1O0 YEARS OP EXPERIENCE 8
C&EN
N O V . 18, 1 9 5 7