What Is Hexavalent Chromium?

Hexavalent chromium, also known as chromium (VI), is a highly toxic form of chromium that can pose serious health risks to humans and the environment. It is one of the most toxic forms of chromium and can cause a variety of adverse effects, including cancer, respiratory problems, and skin irritation.

Hexavalent chromium is a heavy metal that is found naturally in the Earth's crust. It can be released into the environment through natural processes, such as weathering of rocks and volcanic eruptions. However, the main sources of hexavalent chromium in the environment are industrial activities, such as metal plating, chrome mining, and leather tanning.

Hexavalent chromium can enter the body through inhalation, ingestion, or skin contact. Once inside the body, it can damage DNA and proteins, leading to a variety of health problems. One of the most well-known effects of hexavalent chromium is lung cancer. Inhalation of hexavalent chromium dust can cause lung cancer, even at low levels of exposure.

Other health effects of hexavalent chromium include:

* Respiratory problems, such as asthma, bronchitis, and emphysema

* Skin irritation, such as dermatitis and rashes

* Kidney damage

* Liver damage

* Reproductive problems

* Birth defects

Hexavalent chromium is also toxic to the environment. It can contaminate soil and water, and can be harmful to plants and animals.

Due to its toxicity, hexavalent chromium is regulated by environmental agencies in many countries. There are strict limits on the amount of hexavalent chromium that can be released into the environment, and workers who are exposed to hexavalent chromium must wear protective clothing and respirators.

It is important to note that not all forms of chromium are toxic. Trivalent chromium, which is the most common form of chromium found in nature, is an essential nutrient for humans. It is involved in the metabolism of carbohydrates, proteins, and fats, and helps to maintain normal blood sugar levels.