Description
Chemical Name:1,4-Dihydroxyanthraquinone
Cas No:81-64-1
Synonyms:1,4-Dihydroxy-9,10-anthraquinone;QUINIZARINE
Molecular Weight:240.21
Molecular Formula:C14H8O4
Molecular Structure:
Specification of 1,4-Dihydroxyanthraquinone:
Items
Specifications
Melting point
195-200 °C
Boiling point
450 °C
Fp
222 °C
Density
1.3032
Appearance
Orange powder
PH
5-7
pKa
9.51
Refractive Index
1.5430
Moisture content (%)
≤0.10%
Toluene intolerance
≤0.3%
Items | Specifications |
Melting point | 195-200 °C |
Boiling point | 450 °C |
Fp | 222 °C |
Density | 1.3032 |
Appearance | Orange powder |
PH | 5-7 |
pKa | 9.51 |
Refractive Index | 1.5430 |
Moisture content (%) | ≤0.10% |
Toluene intolerance | ≤0.3% |
Function of 1,4-Dihydroxyanthraquinone:
It has good dyeing properties. The quinone structure in its molecular structure enables it to absorb light of a specific wavelength, thus showing color.
It can be used as a paper dye to improve the appearance color of paper. At the same time, it can improve the light resistance and water resistance of paper, and enhance the quality and performance of paper.
Application of 1,4-Dihydroxyanthraquinone:
It is an important dye intermediate that can be used to synthesize a variety of anthraquinone dyes and is widely used in dyeing processes in textile, leather and other industries.
In the papermaking industry, it is used to produce various colored papers, such as cultural paper, packaging paper, etc., to meet the requirements of different users for paper color and performance.
Product Packaging and Transportation Show：
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?
A: 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?
A: The exact delivery time will be determined according to the product category and quantity in your order. - Q5: If you have any questions or needs, please feel free to contact us, we will be happy to provide you with satisfactory service!
