Basic Info:

  • Chemical Synonym(s): Chinosol 8-Hydroxyquinoline Sulfate Oxine Sulfate 8-Quinolinone Sulfate;Quinolin-1-ium-8-ol sulfate;8-Quinolinol·0.5sulfuric acid;8-Quinolinol hemisulfate salt,8-Hydroxyquinoline hemisulfate salt;8-Hydroxyquinoline sulfate, synthesis grade;Oxyquinoline Sulfate (200 mg);8-Quinophenol sulfate;8-Quinolinol Sulfate
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  • CAS Number: 134-31-6
  • Chemical Formula:


  • MSDS: Download


Melting point
~175 °C
1.3819 (rough estimate)
Refractive index
1.5364 (estimate)
Storage temp.
Inert atmosphere,Room Temperature
Water Solubility
>=10 g/100 mL at 19 ºC
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Our Advantages:

We have over 20 years of experience in the field of APIs and we offer all services from R&D to production to export. We understand very well the differences and advantages between each manufacturer in China and are also very familiar with the registration requirements of our target markets. We have our own manufacturing facility and we also work with over 100 API factories. We have our own API registration team and can provide technical and documentary support to the factories.

We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

When selecting suppliers, our procurement specialists will audit the qualification of suppliers, conduct thorough investigations such as field visits and sample testing, and make ratings to ensure the authenticity and legality of supplier information.

We have a long-term stable cooperation with GLP laboratories, encounter customer test results and supplier test results do not match the situation, we will commission a third party to test to ensure the accuracy, authenticity and reliability of the experimental results. In this way, we can effectively control the product quality problems.

We have a long-term cooperative warehouse and can follow up packaging and labeling according to safety regulations and customer requirements. In order to effectively prevent damage to the goods in transit, we have prepared various reinforcement measures and packaging solutions.

We have a number of international freight companies with whom we have long-standing cooperation, and we can choose several route options according to the customer's requirements. For more difficult or urgent orders, we will prepare several alternative solutions to ensure safe and timely delivery.


We promise to immediately and unconditionally exchange or return the goods if they have quality problems. Our employees who deal with after-sales issues have many years of international work experience and are familiar with various processes in multinational work, so they can communicate and deal with after-sales issues without any obstacles.


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