D&C Orange #4 Water Soluble Liquid is a pre-mixed water based liquid dye. Great for soaps, bath salts, bath bombs, body powders, and other water based or dry formulations. Add to your water phase drop by drop until you get the desired color.
FNWL uses the standardized name for this color additive. Standardized names, however, can sometimes be vague. Orange #4 possesses a classic, bold orange hue. The amount of colorant that you use will affect the intensity and vibrancy of the hue.