Chromium oxide-World to Home化學百科

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氧化鉻

Chromium oxide

Chromium(III) oxide (Chromia / CI 77288 ), with the chemical formula Cr2O3, is an inorganic compound. It's a primary chromium oxide used as a pigment and exists naturally as the rare mineral eskolaite. It exhibits a hexagonal close-packed structure similar to corundum, with a hardness rating of 8 to 8.5, and resists acid attacks. Industrially, it is produced mainly through high-temperature reduction or decomposition of ammonium dichromate.

氧化鉻添加物, 氧化鉻化妝品成分, 三氧化二鉻保養品成分, Chromia化妝品添加物, 綠色顏料在個人護理產品中的應用, 稀有礦物eskolaite, 高硬度抗酸性顏料, CI 77288安全使用指南, FDA認證外用化妝品色素, 環境持久性關注

https://www.chemspider.com/Chemical-Structure.451305.html

https://www.carlroth.com/medias/9886-1000Wx1000H?context=bWFzdGVyfGltYWdlc3w5MzM2MnxpbWFnZS9qcGVnfGltYWdlcy9oZmUvaDAwLzkwNTA3MjEyODgyMjIuanBnfDJhN2FiYjM0ODg1MzNlNTgzZWRhZmUyNzcxZTBiM2QwYjRmYjE5ZjZkOTE5MWRlZDlhMDYxY2M2NzliMDQ4MWQ

Uses in Cosmetics

Chromium(III) oxide has several effects and applications in cosmetics, including:

Serving as a stable green pigment in soaps, cosmetics, and personal care products.
Adjusting product colors and hues, mixed with titanium dioxide (CI 77891) to create different shades of green.

Source

Obtained by high-temperature reduction of chromite ores.
Produced by the decomposition of ammonium dichromate.
Exists in nature as the mineral eskolaite.

Globally Harmonized System of Classification and Labelling of Chemicals

The FDA lists Chromium Oxide Greens as a color additive exempt from certification. It's safe for use in externally applied cosmetics and personal care products, including eye products, when conforming to FDA specifications.

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