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Home > Category Index for Science Quotations > Category Index B > Category: Benzene

Benzene Quotes (7 quotes)

All the more recent work on alkaptonuria has... strengthened the belief that the homogentisic acid excreted is derived from tyrosin, but why alkaptonuric individuals pass the benzene ring of their tyrosin unbroken and how and where the peculiar chemical change from tyrosin to homogentisic acid is brought about, remain unsolved problems.
'The Incidence of Alkaptonuria: A Study in Chemical Individuality', The Lancet, 1902, 2, 1616.
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I don't know what your Company is feeling as of today about the work of Dr. Alice Hamilton on benzol [benzene] poisoning. I know that back in the old days some of your boys used to think that she was a plain nuisance and just picking on you for luck. But I have a hunch that as you have learned more about the subject, men like your good self have grown to realize the debt that society owes her for her crusade. I am pretty sure that she has saved the lives of a great many girls in can-making plants and I would hate to think that you didn't agree with me.
Letter to S. P. Miller, technical director of a company that sold solvents, 9 Feb 1933. Alice Hamilton papers, no. 40, Schlesinger Library, Radcliffe College. Quoted in Barbara Sicherman, Alice Hamilton: A Life in Letters (1984).
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I was working with these very long-chain … extended-chain polymers, where you had a lot of benzene rings in them. … Transforming a polymer solution from a liquid to a fiber requires a process called spinning. … We spun it and it spun beautifully. It [Kevlar] was very strong and very stiff—unlike anything we had made before. I knew that I had made a discovery. I didn’t shout “Eureka!” but I was very excited, as was the whole laboratory excited, and management was excited, because we were looking for something new. Something different. And this was it.
From transcript for video interview (2007, published Aug 2012), 'Stephanie Kwolek: Curiosity and the Discovery of Kevlar', in the series Women in Chemistry, on Chemical Heritage Foundation website.
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I would trade all my experimental works for the single idea of the benzene theory.
Quoted by B. L. Lepsius in 'Hofmann und die Deutsche Chemische Gesellschaft', Berichte der Deutschen Chemischen Gesellschaft (1918), 51, 51.
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In the beginning, there was benzene!
[Written over Thiele’s office door. His former student Heinrich Otto Wieland said it expressed Thiele’s disdain for the chemistry of natural products.]
Quoted in R. Huisgen, 'The Wieland Memorial Lecture: Heinrich Wieland', Proceedings of the Chemical Society (1958), 214.
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In the benzene nucleus we have been given a soil out of which we can see with surprise the already-known realm of organic chemistry multiply, not once or twice but three, four, five or six times just like an equivalent number of trees. What an amount of work had suddenly become necessary, and how quickly were busy hands found to carry it out! First the eye moves up the six stems opening out from the tremendous benzene trunk. But already the branches of the neighbouring stems have become intertwined, and a canopy of leaves has developed which becomes more spacious as the giant soars upwards into the air. The top of the tree rises into the clouds where the eye cannot yet follow it. And to what an extent is this wonderful benzene tree thronged with blossoms! Everywhere in the sea of leaves one can spy the slender hydroxyl bud: hardly rarer is the forked blossom [Gabelblüte] which we call the amine group, the most frequent is the beautiful cross-shaped blossom we call the methyl group. And inside this embellishment of blossoms, what a richness of fruit, some of them shining in a wonderful blaze of color, others giving off an overwhelming fragrance.
A. W. Hofmann, after-dinner speech at Kekulé Benzolfest (Mar 1890). Trans. in W. H. Brock, O. Theodor Benfrey and Susanne Stark, 'Hofmann's Benzene Tree at the Kekulé Festivities', Journal of Chemical Education (1991), 68, 887-8.
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People have wracked their brains for an explanation of benzene and how the celebrated man [Kekulé] managed to come up with the concept of the benzene theory. With regard to the last point especially, a friend of mine who is a farmer and has a lively interest in chemistry has asked me a question which I would like to share with you. My “agricultural friend” apparently believes he has traced the origins of the benzene theory. “Has Kekulé,” so ran the question, “once been a bee-keeper? You certainly know that bees too build hexagons; they know well that they can store the greatest amount of honey that way with the least amount of wax. I always liked it,” my agricultural friend went on, “When I received a new issue of the Berichte; admittedly, I don't read the articles, but I like the pictures very much. The patterns of benzene, naphthalene and especially anthracene are indeed wonderful. When I look at the pictures I always have to think of the honeycombs of my bee hives.”
A. W. Hofmann, after-dinner speech at Kekulé Benzolfest (Mar 1890). Trans. in W. H. Brock, O. Theodor Benfrey and Susanne Stark, 'Hofmann's Benzene Tree at the Kekulé Festivities', Journal of Chemical Education (1991), 68, 888.
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Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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