Name | 4-bromo-2,2-diphenylbutyric acid |
Synonyms | RARECHEM AL BO 0074 4-Bromo-2,2-diphenylbutyric 2,2-Diphenyl-4-Bromobutyricacid 4-Bromo-2,2-diphenylbutanoic Aci 4-bromo-2,2-diphenylbutyric acid 2,2-Diphenyl-4-bromobutyric acid 4-BROMO-2,2-DIPHENYLBUTYRIC ACID 4-Bromo-2,2-Diphenyl Butyric Acid 4-bromo-2,2-diphenylbutanoic acid α-(2-Bromoethyl)-Phenylbenzeneacetic acid a-(2-Bromoethyl)-a-phenyl-benzeneacetic Acid alpha-(2-bromoethyl)-alpha-phenylbenzeneacetic acid |
CAS | 37742-98-6 |
EINECS | 253-648-3 |
InChI | InChI=1/C16H15BrO2/c17-12-11-16(15(18)19,13-7-3-1-4-8-13)14-9-5-2-6-10-14/h1-10H,11-12H2,(H,18,19) |
Molecular Formula | C16H15BrO2 |
Molar Mass | 319.19 |
Density | 1.406±0.06 g/cm3(Predicted) |
Melting Point | 131°C (dec.)(lit.) |
Boling Point | 365.8±21.0 °C(Predicted) |
Flash Point | 175°C |
Solubility | Chloroform, Methanol |
Vapor Presure | 0-0Pa at 20-25℃ |
Appearance | Solid |
Color | Beige |
pKa | 4.28±0.10(Predicted) |
Storage Condition | Refrigerator |
Refractive Index | 1.606 |
Physical and Chemical Properties | Crystallization. Boiling point 130 degrees C (decomposition). |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
WGK Germany | 3 |
HS Code | 29163990 |
LogP | 2.7-2.8 at 20℃ and pH2-7 |
Use | Loperamide intermediate. |
Production method | Bromination with phenylacetonitrile with bromine to generate α-brominated phenylacetonitrile, and then with the participation of anhydrous aluminum trichloride Benzene is condensed to obtain diphenylacetonitrile, which is reacted with ethylene oxide under the action of sodium amide to obtain 2, 2-diphenyl-γ-butyrolactone, and finally reacted with hydrogen bromide acetic acid solution at room temperature to prepare the product. |