Hexavalent chromium VI is the hazardous form of chromium. Hexavalent chromium – Chromium 6 - Cr 6 - Cr VI Chromium salts are present in foodstuffs and are a necessary nutrient for the human body - Chromium III is required for human metabolism of sugars and some nutritional supplements contain chromium picolinate.Ĭhromium III sulphate is safe to use in leather manufacture and, when sourced from reputable companies and used appropriately in accordance with best practices, produces a leather with a low risk of Chrome VI content. Trivalent chromium III compounds occur naturally in the environment and can be found in rocks, soil, plants, and volcanic emissions. Trivalent chromium – Chromium 3 – Cr 3 - Cr III Chromium (VI), also known as hexavalent chromium, is a rarer form that can be formed from the oxidation of Chromium III. The most common forms are chromium (0) and chromium (III). Products containing excessive levels of Chromium VI continue to be withdrawn from the market, recalled from end users, and rejected at borders, impacting manufacturers and retailers in terms of cost and reputation.Ĭhromium is a naturally occurring element found in rocks, animals, plants, food and soil. It is mentioned in weekly RAPEX reports (EU), ongoing discussions under the proposed EU sensitizer regulations and in recent 60-day notices under the California Proposition 65 law (US). ![]() ![]() ![]() The presence of Chromium VI in leather goods remains under the supply chain spotlight. Guest Contributor: Georgina Mawer, Eurofins BLC Leather Technology Centre
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