Beautiful deep ruby red; Good substitute for Alizarin Crimson;
Unrated by ASTM, manufacturer spec sheets indicate a rateing of I for the pure pigment, other sources give a marginal II in watercolor tests (Ref).

Carmine (hue) [LK, RT];
Crimson Lake [BL];
Crimson Pyrrolo [BL];
Diketo-pyrrolo pyrrole Rubine;
Madder Lake Deep (hue) [LK];
Madder Ruby (hue) [SCH];
Permanent Alizarin Crimson [MG, WN];
Permanent Madder [RT];
Permanent Madder Deep [RT];
Permanent Madder Lake [RT];
Pyrrole Alizarine [CR];
Pyrrol Crimson [DS];
Pyrrole Crimson [LQ];
Permanent Madder Deep;
Pigment Red 264;
Rose Madder Deep (hue) [SQ];
Ruby DPP [KP];
Ruby Red;
Irgazin DPP Red 4013;
Irgazin Ruby;
Irgazine?® Ruby DPP TR [KP];
Winsor Red Deep [WN]