361 is a dark shade, very stable, green pigment that is unaffected by acids, alkalis and solvents. 361 is heat stable and offers excellent value, lightfastness and weatherability. applications. 361 is recommended for coatings, plastics and for use in the construction industry primarily for architectural applications. Chromium oxide is a crystalline green powder, which has been classified as pigment green 17 and c.i. 77288 by the colour index system. its basic chemical composition is cr2o3. chrome green is not soluble in water, acids and alkalis. it can be used to refer to a mixture of chrome yellow (lead chromate) and prussian blue (ferrocyanate). Sep 02, 2018u00a0u00b7 green chrome oxide mineral powder 25g. mineral powder pigments such as oxides, ultramarines and micas are cosmetic-grade. these pigments are mined from the earth (inorganic), processed and filtered to remove harmful impurities such as lead or mercury. they are approved for use in soap, mineral cosmetics and cosmetic bases. Chrome oxide green is a high-purity inorganic metal oxide (99%) or 2n, product with the chemical formula: cr2o3, cas: 1308-38-9. it is best known as a strong green pigment that can be found in certain candles, ceramics, soaps+.