Description

Chemical name: 6 nitro 1 diazo 2 naphthol 4 sulfonic acid
Molecular Formula: C10H5N3O6S
Molecular Weight: 295.23
Structural Formula:

Specification of 6 nitro 1 diazo 2 naphthol 4 sulfonic acid：

Items	Specifications
Melting point	easily decomposed by heat, no clear fixed melting point.
Solubility	insoluble in water but soluble in alkali.
Stability	relatively stable in dry state at room temperature, sensitive to light, heat, moisture.

Functions of 6 nitro 1 diazo 2 naphthol 4 sulfonic acid：

1. The key intermediate of dyestuff synthesis, it is the core raw material for synthesising many kinds of acid dyestuffs and medium dyestuffs.
2. Through the reaction, it can adjust the chemical properties of dyestuffs and affect the solubility, colouring power and stability of the final dyestuffs to ensure that the dyestuffs can be effectively combined with the fibres during the dyeing process and enhance the dyeing effect.

Applications of 6 nitro 1 diazo 2 naphthol 4 sulfonic acid：

1. 6 – Nitro – 1,2,4 – Acid Oxide is mainly used as a dye intermediate, which is widely used in the synthesis of acid dyes, complex dyes and mordant dyes, and is used for dyeing fabrics such as nylon fibre, silk and protein fibre.
2. Used in the synthesis of acid complexed peach B, acid mordant black R and other dyes, these dyes are widely used in the dyeing of wool, silk and other protein fibres, which can give fabrics bright and wash-resistant colours.
3. 6 nitro 1 diazo 2 naphthol 4 sulfonic acid is involved in the preparation of dyes such as acid complex salt GGN and acid mordant date red BN, which are used in the textile industry to achieve deep dyeing of fibres with high colour fastness.
4. 6 nitro 1 diazo 2 naphthol 4 sulfonic acid is also used in the preparation of dyes such as Acid Mordant Black T, Acid Mordant Black A. These dyes play an important role in the textile and garment, leather and other industries in enhancing the colour effect and quality of the products.

FQAs：

• Q1:What kind of packaging do the products usually come in?
  A: This depends on the specific form of the product:
  a1.If the product is in powder form, it is usually packed in 25kg woven bag/25kg cardboard drum, samples are usually bagged .
  a2. If the product is liquid, it is usually packed in 180kg plastic drum/200kg iron drum, and the samples are usually in bottles.
  a3. If customers have special requirements, please inform us in advance, we will choose the most suitable packaging according to the actual situation.
• Q2:What is your shipping method?
  a1:  Usually, we will send small goods by FedEx, UPS and other international courier; bulk goods can be selected by sea, air or sea-land transport and other ways.
  a2. If you have a designated courier or logistics channel, please be sure to inform us in advance so that we can arrange according to your requirements.
• Q3: What methods can customers pay?
  a1: We offer a variety of payment methods, including TT transfer and credit card payment, which you can choose according to your needs.
• Q4: What is your delivery time?
  a1:The exact delivery time will be determined according to the product category and quantity in your order.
• Q5: How do you keep our business in good relationship for a long time?
  a1: We maintain good quality and competitive price to ensure the benefit of our customers ;
  a2: We respect every customer and treat them as our friends, no matter where they come from, we sincerely do business and make friends with them.
• Q6: If you have any questions or needs, please feel free to contact us, we will be happy to provide you with satisfactory service!

Product Packaging and Transportation Show：

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