Basic Information
1,4-Dihydroxyanthraquinone or Quinizarin CAS 81-64-1
Crude Grade 96%
| Item | Specification | Result |
| Appearance | Orange yellow Powder | Orange yellow Powder |
| Melting point | 194-197 ºC | 196 ºC |
| Purity (HPLC) | ≥96% | 96.87% |
| Moisture content (%) | ≤1% | 0.35% |
| Toluene insoluble matter (%) | ≤3.5% | 2.0% |
| PH | 3-5 | 4 |
Fine Grade 99%
| Item | Specifications | Results |
| Appearance | Bright orange | Conform |
| Moisture | ≤0.10% | 0.07% |
| Melting point | ≥198°C | 198.03°C |
| Toluene intolerance | ≤0.3% | 0.10% |
| Content | ≥99% | 99.20% |
| PH | 5-7 | 6 |
Products Description
1,4-Dihydroxyanthraquinone, also called quinizarin or Solvent Orange 86, is an organic compound derived from anthroquinone. Quinizarin is an orange or red-brown crystalline powder. It is formally derived from anthraquinone by replacement of two hydrogen atoms by hydroxyl (OH) groups.
Applications of 1,4-Dihydroxyanthraquinone
1.Mainly used for oil coloring. It can also be used for coloring various plastics, resins and their products.
2.1,4-Dihydroxyanthraquinone is a dye intermediate. It is used in the production of dispersed blue HSR, dispersed blue 5R, dispersed blue B, dispersed dark blue RB, acid anthraquinone blue R, weakly acid brilliant blue RAW, weakly acid green GS, reduced gray BG, reduced brown BR, and so on.
3. Organic synthesis, production of anthraquinone vat dyes and other intermediates.
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Company Profile
Gneebio is located in Anyang City, Henan Province, China. It is a well-known supplier and manufacturer of chemical raw materials in China. We provide basic chemical raw materials, organic solvents, pharmaceutical intermediates, and other cost-effective chemical products to domestic and international chemical manufacturers and fine chemical product producers.
FAQ
1. Is there a discount?
Yes, we will offer a better price if the quantity is larger.
2. What is the minimum order quantity?
The minimum order quantity depends on the product.
3. The minimum order quantity for most products is 1 kilogram;
For some higher products, the minimum order quantity is 100 grams.
4. What is the port of loading?
Shanghai, Tianjin, Qingdao, etc.
5. What is the mode of transportation?
For small orders, we will send the goods by international express such as FEDEX, which takes 3-7 working days. Other transportation methods can be negotiated.
For large orders, we will ship the goods by sea, which takes one month. If the situation is urgent, you can choose air transportation.
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