Product Description
| Product Name | Betamethasone dipropionate | According to | USP42 |
| Items | Standard | Results |
| Description | White or almost white crystalline powder | almost white crystalline powder |
| Solubility | practically insoluble in water, freely soluble in acetone and in methylene chloride, sparingly soluble in ethanol | complies |
| Identification (IR,TLC) | complies with the Standard | complies |
| Specific rotation (In dioxane) | +63°~+70° | +67.8° |
| Loss on drying | Not more than 1.0% | 0.1% |
| Residue on ignition | Not more than 0.2% | 0.06% |
| Related substances (HPLC) |
| -Single impurity | Not more than 1.0% | 0.2% |
| -Sum impurities | Not more than 2.0% | 0.5% |
| Residue of solvents |
| Acetone | Not more than 5000ppm | Complies |
| Methanol | Not more than 3000ppm | Complies |
| Chloroform | Not more than 60ppm | Complies |
| 1,4-dioxane | Not more than 380ppm | Complies |
| Pyridine | Not more than 200ppm | Complies |
| Particle size | 90%≤30um | Complies |
Assay
(HPLC,basis on drying) | 97.0%~103.0% | 99.8%
|
| Packaging and storage: Preserve in tight, light-resistant containers |
Hebei Dangdang Import & Export Co., Ltd was established in 2021. Although we are a very young company, our leaders have been working in the chemical industry for 20 years. We believe that our company can bring you perfect customer experience.
We can provide you with chemical raw materials, chemical products, pharmaceutical intermediates, veterinary intermediates, dye intermediates, pigments, cosmetic raw materials and chemical reagents, can meet your various needs. Since the establishment of the company, adhere to the "quality first, customer first, integrity-based" business policy, always strive to meet the potential needs of customers. The trend of economic globalization is unstoppable. Our company is willing to cooperate sincerely with enterprises around the world to achieve a win-win situation.
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Hebei Dangdang Import and Export Co., Ltd. is willing to grow with friends all over the world!
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