颜料红是一种化学品，为
苯并咪唑酮类，给出蓝光红色调，优良的耐热稳定性、耐光耐气候牢度及耐迁移性能，主要应用于
塑料（PVC，HDPE）与涂料着色。
4-[(4-chloro-2-methoxyphenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
12511; C.I.Pigment Red 183; P.R.183; Benzimidazolone Red; Permanent Bordeaux FHR; 4-[(4-chloro-2-methoxy-phenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-Nahthalenecarboxamide; (4Z)-4-[2-(4-chloro-2-methoxyphenyl)hydrazinylidene]-3-oxo-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-3,4-dihydronaphthalene-2-carboxamide