M003andnbsp;Vermilion Hue /andnbsp;Vermillon Imit.andnbsp;- Naphthol Red PR9 (monoazo), Vibfast Orange 4051 - PO13 (organic)

Originally, Vermilion was a dense, opaque pigment with a clear, brilliant hue. The pigment was initially made by grinding a powder of cinnabar, which contains mercury. Research began early to find a safer way to make the pigment. The Chinese were probably the first to make a synthetic vermilion as early as the 4th century BC.

Series: B
Lightfast: **

Pigment 1: Naphthol Red PR9

• Pigments name: PR9-Naphthol Red
• History unknown
• Pigment Type: monoazo
• Chemical Name: n/a

Properties: This Naphthol Red is a bright deep red with bluish undertones. It has an average drying time.

Permanence: This Naphthol Red has fair to good lightfastness, not because of its masstone, but because it fades in tints. Not suitable for exterior use.

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

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

Pigment 2: Vibfast Orange 4051 - PO13

Pigment Orange PO13 is used in inks, textiles, paints, plastics, and rubber.

• Pigments name: Vibfast Orange 4051 - PO13
• Pigment Type: organic
• Chemical Name: n/a
• Properties: Pigment Orange PO13 is a yellowish orange with high tinting strength.

Permanence: Pigment Orange PO13 has good lightfastness when used at full strength, but it may fade in tints. It is often replaced by PO61, which has lower tinting strength, but better lightfastness.

Toxicity: n/a

Alternate Names: n/a