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TR103-93-5 P-cresyl isobutyrate
|
Featured China Suppliers
Zhejiang Newfine Industry Co., LTD
[ Gold Suppliers ]
| Contact | Michael Gan(garoms) |
| Telephone | +86-573-82262042 |
| garoms@163.com | |
| Address | No.225, Dongqing Road |
Tianjin Yuansu Chemical Reagent Co., LTD
[ Gold Suppliers ]
| Specifications | 99% min |
| Packing | 25kg 50kg drum or bag |
| Description | What is the chemical of p-Cresyl isobutyrate ? Appearance: White powder crystalline or crystalline powder, odorless, slightly bitter taste ; Assay: 99% min by HPLC ; IR Identity: conform to standard ; HNMR?? conform to standard ; carbon spectrum: conform to standard ; Water by K. F.:0.5% max or as per the customer??s request ; Loss on drying:0.5% max. or as per the customer??s request ; ============================================================================= Production method: This compound can be prepared by reacting aniline with ethanol under high temperature and pressure conditions, including hydrochloric acid method and phosphorus trichloride method. Hydrochloric acid method: Using aniline hydrochloride and ethanol as raw materials, react at 180 ?? C and 2.94MPa, distill to remove ethanol and by-product ether, and then treat with sodium hydroxide, p-toluenesulfonyl chloride, and steam distillation to remove by-products. After that, add sulfuric acid to obtain the product. ... |
| Contact | Mr. Alexander Wang |
| Telephone | +86-22-83739603 |
| sales@yuansu-reagent.com | |
| Address | No. 268, Yuliang Street, Dagang Street, Binhai New Area, Tianjin, China |
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