Basic Info:

  • Chemical Synonym(s): BASIC RED 51;C.I. BASIC RED 51;Red M-RL;Basacryl Red X-BL;Maxilon Red M-RL;4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]-N,N-dimethylaniline;Basic Red 51 - Technical grade;Basic Red 51 ISO 9001:2015 REACH
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  • CAS Number: 12270-25-6
  • Chemical Formula:



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At present, China mainly develops raw materials for new coatings, and titanium dioxide has occupied about 70% of the global supply chain. Our pigment business mainly focuses on environmental protection and high activity

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BASIC RED 51 is a synthetic organic pigment. The chemical name for it is Napthol red that has been used in products such as plastics, paints and textiles. It's an orange pigment that is water-soluble.

It comes from the xanthophyll carotenoid group of chemicals found in all-natural sources such as plants and vegetables. The pigment is made from 1,4-diamino2,3-dihydro anthraquinone.

It was first isolated from the dyewood Rubia cordifolia. It is a manufactured product from a reaction between lithium carbonate with anthraquinone. BASIC RED 51 is a solid, fast color that is also used for coloring cotton and worsted fabrics.


BASIC RED 51 is a red pigment used to print inks, plastics, paper, coral, rubber, household paint, paint for automobiles, and printing inks. It can be used in water-based paint and print ink, but not oil-based paint. It is also used in cosmetics, including lipstick, nail polish, eyeshadow, and eyeliner.

In addition to colorants, this product is also used in chemical products such as solvents. The most common use of basic red 51 is for coloring candies, ice creams, cake icings, etc., but it's also used for coloring some medicines and cosmetics.

It can be used in concentrated solutions and is resistant to light and washing. BASIC RED 51 is commonly used in carpets and linens.

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