1,4-Dihydroxyanthraquinone (Quinizarin) CAS 81-64-1 Purity ≥96.0% (HPLC) High Purity
Ruifu Chemical is the leading supplier of 1,4-Dihydroxyanthraquinone (Quinizarin; Solvent Orange 86; C.I. 58050) (CAS: 81-64-1) with high quality, which is an important dye intermediate.
Ruifu Chemical can provide worldwide delivery, competitive price, excellent service.
Purchase 1,4-Dihydroxyanthraquinone, please contact us by e-mail: alvin@ruifuchem.com
| Chemical Name | 1,4-Dihydroxyanthraquinone |
| Synonyms | Quinizarin; 1,4-DHAQ; 1,4-Dihydroxy-9,10-anthraquinone; 1,4-Dihydroxyanthra-9,10-quinone; Solvent Orange 86; C.I. 58050 |
| Stock Status | In Stock, Production Capacity 100 Tons per Month |
| CAS Number | 81-64-1 |
| Molecular Formula | C14H8O4 |
| Molecular Weight | 240.21 g/mol |
| Colour Index | 58050 |
| Melting Point | 196.0 to 202.0℃ |
| Boiling Point | 450℃ |
| Flash Point | 222℃(431°F) |
| Solubility | Soluble in Benzene |
| Bulk Density | 350 kg/m3 |
| Storage Temperature | Store Long-Term in a Cool and Dry Place |
| Shelf Life | 36 Months |
| COA & MSDS | Available |
| Origin of Product | Shanghai, China |
| Product Categories |
Dye Intermediates |
| Brand | Ruifu Chemical |
| Items | Specifications |
| Appearance | Orange to Red-Brown Powder |
| Purity / Analysis Method | ≥96.0% (HPLC) |
| Melting Point | 196.0-202.0℃ |
| Water by Karl Fischer | ≤1.00% |
| Ash | ≤0.50% |
| Toluene Insoluble Substances | ≤1.50% |
| 1H NMR Spectrum | Consistent with Structure |
| Conclusion | The product has been tested and complies with the given specifications |
Package: Fluorinated bottle; Aluminium foil bag; 25kg/drum, 8 tons/1*20 ft Container FCL; or 25kg/bag,12 tons/1*20 ft Container FCL, or according to customer's requirement.
Storage Condition: Keep the container tightly closed. Store in a cool, dry and well-ventilated warehouse away from incompatible substances. Keep away from sunshine; avoid fire and heat sources; avoid moisture.
Shipping: Deliver to worldwide by air, by sea, by FedEx / DHL Express. Provide fast and reliable delivery.
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
Risk Codes
R36/37/38 - Irritating to eyes, respiratory system and skin.
R43 - May cause sensitization by skin contact
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description
S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
S36/37 - Wear suitable protective clothing and gloves.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S61 - Avoid release to the environment. Refer to special instructions / safety data sheets.
S60 - This material and its container must be disposed of as hazardous waste.
UN IDs UN 3077 9 / PGIII
WGK Germany 2
RTECS CB6600000
TSCA Yes
HS Code 2914690090
Packing Group III
Application of1,4-Dihydroxyanthraquinone (Quinizarin; Solvent Orange 86; C.I. 58050) (CAS: 81-64-1):
1. 1,4-Dihydroxyanthraquinone is widely used in anthraquinone vat dyes and other anthraquinone dyes; Intermediates for the manufacture of VAT dyes, disperse dyes and reactive dyes
2. Mainly used for oil coloring. It can also be used for coloring various plastics, resins, and their products.
3. 1,4-Dihydroxyanthraquinone is an important dye intermediate. It is used to produce dispersed blue HSR, dispersed blue 5R, dispersed blue B, dispersed dark blue RB, acid anthraquinone blue R, weak acid brilliant blue RAW weak acid green GS, reduced grey BG, reduced brown BR, etc., and to produce intermediate 1,4-diaminoanthraquinone. 1,4-dihydroxyanthraquinone-2-sulfonic acid can be obtained by sulfonation of 1,4-dihydroxyanthraquinone.
4. Organic synthesis, production of anthraquinone vat dyes, and other intermediates. It is itself a dispersed brown GL (C.I.58050).
