Mephedrone comes as a white, off-white, creamy or yellowish powder.

The contents were uninspiring: just a few ounces of a sluggish off-white powder.

In its pure form, it is a white to off-white powder.

He held it up to the light and studied the off-white powder.

When pure, it comes in a white to off-white crystalline powder form.

It is typically produced as a free-flowing, off-white powder.

Adulterated cocaine is often a white, off-white or pinkish powder.

It is a hygroscopic white to off-white free-flowing powder, granules, or flakes.

It is found as a slightly off-white powder and is usually taken orally.

It is a white to off-white crystalline powder that is soluble in water.