Name | 3,5-Dibromo-4-hydroxybenzaldehyde |
Synonyms | NSC 72944 AKOS BC-3031 AKOS B028935 Di-bromo-aldehyde TIMTEC-BB SBB006529 3,5-Dibromo-4-hydroxybenzaldehyde 3,5-DIBROMO-4-HYDROXYBENZALDEHYDE |
CAS | 2973-77-5 |
EINECS | 221-017-1 |
InChI | InChI=1/C7H4Br2O2/c8-5-1-4(3-10)2-6(9)7(5)11/h1-3,11H |
Molecular Formula | C7H4Br2O2 |
Molar Mass | 279.91 |
Density | 1.9661 (rough estimate) |
Melting Point | 181-185 °C (lit.) |
Boling Point | 273.3±35.0 °C(Predicted) |
Flash Point | 119.1°C |
Vapor Presure | 0.00345mmHg at 25°C |
Appearance | Pale yellow flake crystal powder |
Color | Pink to pale brown |
BRN | 1948512 |
pKa | 4.72±0.23(Predicted) |
Storage Condition | Inert atmosphere,Room Temperature |
Sensitive | Air Sensitive |
Refractive Index | 1.4970 (estimate) |
MDL | MFCD00016980 |
Physical and Chemical Properties | Needle-like crystals, melting point 186-187 ℃(181 ℃). |
Use | Is the main raw material for the production of 3,4, 5-trimethoxybenzaldehyde, as an important pharmaceutical intermediates and pesticide intermediates |
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 | 29130000 |
Hazard Class | IRRITANT |
Raw Materials | o-dichlorobenzene Bromine |
use | trimethoprim (TMP) intermediate. Dibromoaldehyde is the main raw material for the production of 3,4, 5-trimethoxybenzaldehyde, and 3,4, 5-trimethoxybenzaldehyde is an intermediate for the synthesis of antibacterial drugs and sulfanilamide synergist trimethoprim (TMP), so it is an important pharmaceutical intermediate. It is the main raw material for the production of 3,4, 5-trimethoxybenzaldehyde, and is an important pharmaceutical and pesticide intermediate It is the main raw material for the production of 3,4, 5-trimethoxybenzaldehyde. It is an important pharmaceutical intermediate and pesticide intermediate |
production method | using p-cresol and bromine as raw materials, it is obtained through bromination, hydrolysis and other technological processes. |