When considering to compound your own oil or watercolor paints, please pay close attention to safety. Most pigments contain hazardous materials (typically heavy metals) that you do not want to inhale, and/or have any skin come into contact with under any circumstances. Also, some binding agents require proper disposal to prevent spontaneous combustion. The best information available is through the manufacturers/suppliers of the ingredient. Safety information is found by attaining and reading through a material safety data sheet (MSDS). I have attached some below. You can access them by clicking on the materials in red. Be sure that you read through each MSDS for the ingredients BEFORE you begin making any paint.
LINSEED OIL MSDS
- MSDS is from Cargill, Incorporated.
- Important Note on Linseed Oil - Rags soaked with linseed oil stored in a pile are considered a fire hazard because they provide a large surface area for oxidation of the oil, and the oil oxidizes quickly. The oxidation of linseed oil is an exothermic reaction, which accelerates as the temperature of the rags increases. When heat accumulation exceeds the rate of heat dissipation into the environment, the temperature increases and may eventually become hot enough to make the rags spontaneously combust.
- Therefore, make sure that all rags, towels, etc that have come into contact with linseed oil are wetted down with water and placed into a disposal can also containing water.
ARABIC GUM MSDS
- MSDS is from Science Lab.
- When purchasing this material, please give consideration that it can range from a powder form to large crystals. If you purchase the fine powder, then be sure to wear a dust mask.
Resources: Wikipedia, Cargill Incorporated, Science Lab