Are Cyanotype Chemicals Toxic?

Cyanotype is non-toxic and does not present any significant health risk or danger. That said, care should always be taken to avoid ingestion, inhalation and contact with skin when handling the cyanotype chemicals and fabrics.

Is cyanotype eco friendly?

Cyanotype is an early photographic technique, invented in 1842. ... My first experiments with cyanotype were with plants, while traveling. A perfect fit, although I didn't realize why at the time. Today, the technique is enjoying resurgence, because it's easy, eco-friendly, analog in nature.

What chemicals are used in cyanotype?

Cyanotype is a photographic printing process that produces a cyan-blue print. Engineers used the process well into the 20th century as a simple and low-cost process to produce copies of drawings, referred to as blueprints. The process uses two chemicals: ferric ammonium citrate and potassium ferricyanide.