Basic Info:

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  • CAS Number: 65235-31-6
  • Chemical Formula:


  • MSDS: Download


Melting point
Boiling point
446.3±45.0 °C(Predicted)
1.488±0.06 g/cm3(Predicted)
Storage temp.
Keep in dark place,Sealed in dry,Room Temperature
CAS DataBase Reference
65235-31-6(CAS DataBase Reference)
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HC RED B54 is a red dye known as 3-Nitro-N-(2-Hydroxyethyl)-4-Aminophenol, known for its brilliant color intensity. HC RED B54 begins with 3-Nitro-4-[(2-Naphthyl)azo]-Benzidine, which undergoes ring-forming reactions to produce the product's certain characteristics of stability and viscosity. It can apply to nearly any surface.

HC RED B54 has excellent adhesion characteristics and demonstrates high resistance to yellowing over time. I

ts production process includes purification and distillation of HC Acid 54, acid hydrolysis, and ether extraction. It has a soft red color when in liquid form and turns black at low concentrations. More often than not, it is a dark red crystal powder.


HC RED B54 has applications in various industries. For example, in the food processing industry, it is applied as an additive that changes the food's color.

It also has application as a petroleum additive. In addition, there is the use of this HC RED B54 in the papermaking industry, where it is used for both direct and indirect applications. The main purpose of applying this chemical can be maximization pigment binding power.

Furthermore, HC RED B54 can be found on cotton fiber, where its function serves to discover or eliminate paper defects due to strong violet-reddish coloration. It is used as a food colorant, dyestuff, pigment or agent to stop foaming. It is the intermediate of red hair dye.

It changes the natural shade of the hair but does not provide any additional pigment or protection against environmental damage such as heat and humidity. It is ideal for people who want to make their natural hair color darker but don't cover gray hairs.

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