Sennelier Watercolour S3 Crimson Lake (688)

Crimson Lake (688) Naphthol Reds history unknown. PR206 offers a deep maroon or Bordeaux red. Quinacridone pigments have relatively low tinting strength in general. Quinacridone Red is a bright, clean red pigment. Quinacridone pigments have relatively low tinting strength in general. For this reason, quinacridone colours are often expensive because more pigment is required in the formulation.

Pigment Name: PR146—Naphthol Red

Naphthol Red Properties are unknown.

Permanence: Naphthol Reds vary widely in lightfastness. This Naphthol Red (PR146) has fair to poor permanence and always fades in tints. It is not suitable for outdoor use.

Toxicity: Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.

History: Unknown.

Alternate Names: Naphthol, Naphthol Bordeaux, Naphthol Carbamide, Naphthol Carmine, Permanent Carmine, Permanent Red.

Pigment Nmae: PR206—Quinacridone Pyrrolidine Red

Quinacridone Pyrrolidine Red offers a deep maroon or Bordeaux red. Quinacridone pigments have relatively low tinting strength in general. For this reason, quinacridone colours are often expensive because more pigment is required in the formulation. Chemical Name: quinacridone pyrrolidine

Permanence: Quinacridone pigments have excellent lightfastness.

Toxicity: Quinacridone Pyrrolidine Red has no known acute hazards. Overexposure to quinacridone pigments may cause skin irritation. Quinacridone pigments contain a compound found to be a skin, eye, and respiratory irritant.

History: It was developed as a maroon or Bordeaux red for automotive paints.

Alternate Names: Monastral Maroon

Pigment Name: PR209—Quinacridone Red

Quinacridone Red is a bright, clean red pigment with an average drying time. Quinacridone pigments have relatively low tinting strength in general. For this reason, quinacridone colours are often expensive because more pigment is required in the formulation.

Permanence: Quinacridone Red has excellent permanence and lightfastness.

Toxicity: Quinacridone Red has no known acute hazards. Overexposure to quinacridone pigments may cause skin irritation. Quinacridone pigments contain a compound found to be a skin, eye, and respiratory irritant.

History: Although quinacridone compounds became known in the late 19th century, manufacturing methods to make them practical for use as commercial pigments began in the 1950s. Quinacridone pigments were first developed as coatings for the automotive industry but were quickly adopted by artists.

Alternate Names: n/a