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This Jane Austen blog brings Jane Austen, her novels, and the Regency Period alive through food, dress, social customs, and other 19th C. historical details related to this topic.

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Emerald Green or Paris Green, the Deadly Regency Pigment

March 5, 2010 by Vic

Bottle with emerald green pigment

Once upon a time green paint literally killed people. In 1814 in Schweinfurt, Germany, two men named Russ and Sattler tried to improve on Scheele’s green, a paint made with copper arsenite. The result was a highly toxic pigment called emerald green. Made with arsenic and verdigris, the bright green color became an instant favorite with painters, cloth makers, wall paper designers, and dyers. The first commercial British arsenic was produced at Perran-ar-Worthal in 1812, and at Bissoe in the Carnon Valley in 1834. Their product appealed to the Lancashire cotton industry which used the chemical in pigments and dyes. It was also used by other industries such as glass manufacture (as a decolouriser), in the production of lead-shot, leather tanning, soaps, lampshades, wallpaper manufacture (to create green and yellow print), pharmaceuticals, agriculture for sheep dips, children’s toys, candles, a highly effective rat poison, etc.*

“Manufacture of [emerald green] began in 1814 at the Wilhelm Dye and White Lead Company of Schweinfurt. It was more popular than Scheele’s green and was soon being used for printing on paper and cloth; it even coloured confectionary. –  The Elements of Murder: A History of Poison, John Emsley

Textured Georgian wallpaper

Emerald green was also called Schweinfurt green, Paris green, and Vienna green. The toxicity of dye made with emerald green was not initially recognized, until the recipe was published in 1822, and
“…its poisonous nature was revealed. Manufacturers then changed the recipe, adding other ingredients to lighten the colour, and changing its name accordingly in an effort to disguise its true nature.” – Murder, Emsley
Eventually, the use of this pigment was abandoned when it became generally known that people who wore clothes dyed with the substance tended to die early. To this day the French avoid making green theater costumes.** Emerald green was also used to color confectionary and cake cake decorations:
“The leaves of artificial flowers in particular were coloured with various arsenic greens and they were very popular in Victorian households. The industry making them employed hundreds of young girls, who suffered accordingly from chronic arsenic poisoning…at a banquet held by the Irish Regiment in London in the 1850’s the table decorations were sugar leaves coloured by them. Many of the diners took these home for their children to eat as sweets and several deaths ensued. At another dinner in 1860 a chef was eager to produce a spectacular green blancmange and sent to a local supplier for green dye. He was given Scheele’s green and three of the diners later died.” – Ibid

Floral border wallpaper, Ipswich, late 18th c.***

Wallpaper made with Scheele’s green was deadly, By 1830, wallpaper production had risen to 1 million rolls a year in the UK, and by 30 million in 1870. Tests later revealed that four out of five wallpapers contained arsenic. Leopold Gmelin (1788-1853), a famous German chemist, suspected as early as 1815 that wallpaper could poison the atmosphere. He noticed that the substance gave off a mouse-like odor when the paper was slightly damp. Gmelin warned people to strip their rooms of the paper and advocated banning Scheele’s green, but he was too far ahead of his time.

In 1861, Dr W. Fraser tested wallpaper that contained arsenic.The threat, he said, came from breathing the dust of the papers, especially flocked wallpaper. The warnings went unheeded, and by 1871, arsenic production had increased to the point that Britain had become its largest producer and consumer. An addition of a small amount of arsenic, for example, would neutralize iron in glass and give it a green tint. “Potassium chromate (K2CrO4) is yellow and this colour can be imparted to certain glasses. To produce emerald green glass in which a yellowish cast has to be avoided the addition of tin oxide and arsenic is necessary.” (Substances used in the making of colored glass.)

Soon arsenic was exported for the making of pesticides in the United States. Health considerations did not end the use of arsenic-laced wallpaper. By the 1870’s synthetic green dyes began to replace arsenic, and fewer people were placed in danger by its poisonous gases. Experiments at the end of the 19th century proved that arsenic pigments in damp or rotting wallpaper were lethal. The mold that grew on damp wallpaper emitted a toxic odor that smelled of garlic.

The French painter Cezanne had an affinity for using paris green, and it might have been no coincidence that he suffered from severe diabetes. The pigment had a tendency to turn black when exposed to heat and thus it did not become universally popular with artists. Even with scientific evidence of its highly toxic nature, production of emerald green paint was not banned until the 1960’s.


More on the topic

  • A Deadly Shade of Green: Two Nerdy History Girls
  • Pigment Through the Ages
  • *Cornish mining, World Heritage
  • **Paris Green, Wikipedia
  • The Story of Pigment in Use in Western Art, Part 2
  • The American Institute for Conservation
  • Killer dye
  • The Elements of Murder: A History of Poison, John Emsley, 2005, p 181, Google Book
  • ***Discovering wallpaper in East Anglia Houses

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Posted in Architecture, Georgian Life, jane austen, Jane Austen's World, Regency Life, Regency style, Regency World | Tagged emerald green, Paris green, poisonous green, Schweinfurt green, toxic paint | 15 Comments

15 Responses

  1. on March 5, 2010 at 11:13 Twitted by janeaustenworld

    […] This post was Twitted by janeaustenworld […]


  2. on March 5, 2010 at 11:31 Janeen

    Great post and Wow, very interesting about the French not wanting to do the green costumes!


  3. on March 5, 2010 at 14:12 Chris S.

    They knew it was poison so they changed the label and kept on making it. Well, that’s a long standing tradition then! One would think if several children died after eating those leaves, there would be an investigation, but I guess there was no Regency CSI then. Fascinating post. Would make for a great Regency murder mystery.


  4. on March 6, 2010 at 11:37 Donna Goode

    I always wondered about this–I thought the color might have been evocative of envy. I’m glad to know there’s a better reason! Thanks for in interesting and informative post!


  5. on March 6, 2010 at 13:11 Lana

    What a fascinating post! Isn’t it interesting that it’s used to make brilliant green dyes, but that it neutralizes the green tint iron gives glass?


    • on March 6, 2010 at 22:05 Vic

      That was a badly written sentence. Actually, the addition of the arsenic tints the glass green. I’ve rewritten the passage.


  6. on March 6, 2010 at 15:02 Maria L

    Wonderful post! I’m passing it on to some history museum friends….


  7. on March 7, 2010 at 01:07 Le Chapelier

    Thank you for this most interesting post… Just one thing about the French avoiding green theater costumes: it is a superstition that can actually be traced back to the XVIIth century. Indeed, tradition has it that the famous French playwright and actor Molière (1622-1673) died on stage wearing a green costume during a performance of Le Malade imaginaire (The Imaginary invalid). If truth be told, he died a few hours after the performance and it had nothing to do with his wearing a green costume (he had been suffering from tuberculosis for quite a long time, note the irony for someone who played an “imaginary invalid”). Best regards from Paris.


    • on March 7, 2010 at 11:05 Vic

      Thank you so much for your clarification! I love superstitions, most of which are based on fact. I placed an asterix next to my comment in the post, for the statement in Wikipedia was unsourced.


  8. on March 7, 2010 at 10:53 Dainty Ballerina

    Congratulations! You have won a Creative Blogger Award. It’s all terribly exciting! Just visit http://daintyballerina.blogspot.com/2010/03/creative-blogger-award.html and all will become clear


  9. on March 7, 2010 at 15:22 cindee

    This was a fascinating article. No wonder they have so many safeguards today.


  10. on June 7, 2010 at 19:32 Sara

    I have just been stripping wallpaper in my circa 1860 house. The bottom layer (of about nine) was a very pretty shade of green. Now that I am looking it up, I am wondering if I have just signed my own death warrant.


  11. on November 15, 2011 at 17:33 Crockett

    I had a relative die from Paris Green in 1927. Whether accidental or self-induced, her death certificate says she died from, “Poisoning herself with Paris Green.”


  12. on November 18, 2011 at 09:23 Was Jane Austen Murdered? | The Pink Flamingo

    […] Virginia, there was arsenic in wallpaper and paint from that […]


  13. on August 13, 2012 at 14:41 Jen

    Have you heard of Moon Brand pure paris green… How do u expose of such substance if found…



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