4'-tert-Butyl-4-chlorobutyrophenone， CAS:43076-61-5
MF：C14H19ClO
Purpose：Terfenadine ，Ebastine intermediate
Classification :
PRODUCT DETAILS
Specifications | |
Product Name | 4'-tert-Butyl-4-chlorobutyrophenone |
CAS No. | 43076-61-5 |
Test Standard | Enterprise standard |
| |
Items | Standard |
Appearance | White or off-white powder |
Identification | 1) Maximum absorption at a wavelength of 251nm 2)The infrared spectrum absorption spectrum of this product should be consistent with the reference sample 3)The retention time of the main peak of the test solution should be consistent with that of the reference solution |
PH | ≥ 3.85 |
Water | ≤0.5% |
Residual solvent | Dichloroethane≤0.0005% |
Related Substances | 4-chlorobutanoic acid≤0.10% |
γ-butyrolactone≤0.10% | |
Other single maximum impurities≤0.5% | |
Total impurities≤1.0% | |
Purity | ≥99.0% |
Packaging | Inner packaging:two-layer LDPE bags, Outer packaging:cardboard drum, |
Storage Conditions | Room temperature, seal, dry place. |
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