Dimethylmercury

Dimethylmercury

Allied Chemicals GmbH (AL-GMBH) is a leading Specialty Chemicals & Science Based Company in Germany. With over 20 years of experience supplying to the manufacturing industry internationally, we deliver an extensive range of high quality Specialty Chemicals & Allied Products to several sectors.

The chemical preparation of all our products are synthesized. These substances possesses sterile effect, so you must be fully aware of what you are purchasing hence there’s no prejudice involved in the offer and acceptance.

Available for sale here is Dimethylmercury:

Dimethylmercury (Me2Hg) is one of the nastiest chemicals made by humans or found in nature. It was known as long ago as 1858, when English chemist/entomologist George B. Buckton isolated it during experiments with methyl- and ethylmercury compounds.

It reappeared in the literature in 1899, when prominent French chemist Marcellin Berthelot found that under electrical discharge Me2Hg absorbs nitrogen gas.

In an early discovery of Me2Hg in the environment, Swedish researchers S. Jensen and A. Jernelöv reported in 1969 that it and its cationic degradation product, methylmercury1 (MeHg+), are produced in bottom sediments and rotten fish in mercury-contaminated waters.
It didn’t help matters that MeHg+ had been used as a pesticide in Sweden until 1966 and contributed to the pollution.

Dimethylmercury is a highly poisonous compound that can be absorbed through the skin and is considered one of the most potent neurotoxic forms of mercury, along with methylmercury.

In 1971, two other Swedish scientists, Leif Bertilsson and Halina Y. Neujahr* at the University of Stockholm, demonstrated another way that methylmercury compounds are formed in nature. They showed that methylcobalamin2, a form of vitamin B12, reacts with mercury(II) ion in human and animal bodies to produce the deadly toxins.

The tragic death in 1997 of rising chemistry star Karen Wetterhahn at Dartmouth College (Hanover, NH) drove home the lethality of Me2Hg. While studying heavy-metal toxicity, Wetterhahn got a small amount of Me2Hg on her rubber gloves, which were later found to be permeable to the compound.

She began to experience toxicity symptoms, and, less than a year after the exposure, she died. In 2022, the 25th anniversary of her death, Sam Lemonick wrote an account of Wetterhahn’s life and contributions to chemistry.

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