Salicylic acid
Hydroxybenzoic acid
Molecular formula: C7H6O3
CAS: 69-72-7
Appearance:
Colorless transparent block crystal
Properties:
Salicylic acid as white crystalloid powder, odurless, taste bitter first turn. After essien micro Melting point 157-159 degree, in light of Beijing gradually become angry. The relative density at least 1.44. The boiling point about 211 degree/ plus 2.67 kPa. 76 degree distillation. Under ordinary heat decomposition for sharp phenol and carbon dioxide. 1g salicylic acid can dissolve in water, respectively 460ml 15ml boiling water, 2.7 ml 3ml acetone, ethanol, ethyl ether, chloroform, 3ml 42ml 135ml benzene, turpentine, about 52ml 60ml glycerin and 80ml petroleum ether. Add sodium, borax etc can increase the solubility of salicylic acid in the water. Salicylic acid aqueous pH value 2.4. Salicylic acid and chloride-ferric chloride solution generation special purple.
Use:
Used as fluorescent indicator, cooperate indicator, cooperate the masking agent. Titanium, zirconium, tungsten plasma the colour-display reagent and preservatives. We supply reagent grade and pharmaceutical grade. If you are interested in our products please contact us.
|
Test item |
Specification |
|
Reagent grade |
Pharmaceutical grade |
|
Appearance |
conform |
conforrm |
|
Assay |
≥ 99.5 |
≥ 99.0 |
|
melting range |
158.5-160.5 |
158.0-161.0 |
|
Appearance of solution |
Conform |
Conform |
|
Ignition residue |
≤ 0.01 |
≤ 0.03 |
|
chloride /% |
≤ 0.002 |
≤ 0.005 |
|
sulphate compound /% |
≤ 0.005 |
≤ 0.015 |
|
Fe /% |
≤ 0.0002 |
≤ 0.0005 |
|
Pb /% |
≤ 0.0005 |
≤ 0.0015 |
|
sulfuric acid test |
Conform |
Conform |
Tianjin Flourish Chemical Co., Ltd. is a professional manufacturer engaged in the research, development, production, sale and service of chemicals. Our main products include Fine Chemicals, Chemical Reagents, Pharmaceutical Excipients, and Food Accessories etc. Our company located in Tianjin, we enjoy convenient access to major transportation networks. Guaranteeing stable and timely supply, credible quality and sincere service, our products sell well in both domestic and overseas markets, and enjoy a good reputation among our customers.
Our company has an excellent research team and a highly efficient management team. We have strict internal management systems and highly talented technicians who have rich working experience in chemical production. In addition, we have set up several departments, including R&D, Production, Sales and Service. Our focus is on R&D, ensuring that we provide our customers with top quality and innovative products. In addition, we use stringent quality control measures to ensure the reliability of our products.
We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first", and will sincerely create and share success with all clients. We will do our best to provide perfect service, high-quality products and competitive prices for our customers. If you are interested in any of our products, or wish to place a customized order, please contact us. We will do our best to meet your needs. We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefits.
