Emerald Green is a synthetic inorganic pigment that is highly toxic and should only be handled by trained individuals. It is composed of copper (II)-acetoarsenite: 3 Cu(AsO2)2·Cu(CH3COO)2. Here are some details about Emerald Green based on the search results:

Positive:

• Emerald Green is valued by painters for its vivid tone and excellent stability.

Negative:

• Emerald Green is highly toxic and should only be handled by trained individuals.
• Emerald Green darkens in contact with sulfur compounds such as cadmium sulfide (cadmium yellow) .
• Emerald Green can cause serious eye irritation.

Ingredients or materials:

• Only ingredients listed in Section 3 of the Safety Data Sheet (SDS) are notifiable for this product.
• The hazardous component of Emerald Green is Sodium dodecylbenzenesulfonate.
• Emerald Green is composed of copper (II)-acetoarsenite: 3 Cu(AsO2)2·Cu(CH3COO)2.
• The ingredients of Naturally Colored Emerald Green Nonpareils Bulk include Pure Cane Sugar, Corn Starch, Carnauba Wax, Colored with Turmeric & Spirulina Extract.