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Specification | Standard | |
Appearance | White or almost white crystal powder | |
Identification |
| Similar to standard |
Appearance of solution | The solution is clear and not more intensely cloured than reference solutions Y7 | |
Solubility | Very slightly soluble in water; soluble in methanol; slightly soluble in alcohol | |
Angle of optical rotation | -0.10 ----+0.10 | |
Related substances | Each impurity | ≤0.25% |
Total imurity | ≤0.5% | |
Melting point | 178-182°C | |
Loss on drying | ≤0.5% | |
Residue on ignition | ≤0.1% | |
Assay ( on dry basis) | 98.5-102% | |




1. Supply high quality products with reasonable prices for chemical industry.
2. In time delivery; various documents available for registration and customs clearance clearance purpose.
3. Provide flexible payment mode.
4. Pre-sale consultation and post-sale service available.
5. Provide market informations to make customers fully informed.
Thanks for your considering of Crovell Biotech (Hebei) Co., Ltd.(Crovell). Crovell is a fast growing intermediates company,Which located in Shijiazhuang,Hebei Province.
Crovell is specialized in pharmaceutical intermediates, veterinary drug intermediates and dyes intermediates,such as phenylacetamide, dimethylamine hcl, benzyl chloride etc., Crovell also supply various industrial chemicals for customers.
After ten years development,Crovell has become a Diversified development company,not only involves in chemicals, but also real estate ,clothes ,agricultural products and so on.
So far, Crovell has business in more than 35 countries,most big customers come from europe and America, because among the suppliers in china,Crovell can always make the product quality best, some of the products from Crovell can reach the purity of 99.9+, such as 2-phenylacetamide. This is the important reason for customers who choosing Crovell.
In future, Crovell must become to a more important trade bridge for china and foreign countries especially in pharmaceutical industries.


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