| | Identification | More |  | [Name] 
 3,4-Dibromobenzaldehyde
 |  | [CAS] 
 74003-55-7
 |  | [Synonyms] 
 3,4-DIBROMOBENZALDEHYDE
 3,4-Dibromobenzaldehyde 99%
 |  | [EINECS(EC#)] 
 640-122-7
 |  | [Molecular Formula] 
 C7H4Br2O
 |  | [MDL Number] 
 MFCD00236033
 |  | [Molecular Weight] 
 263.91
 |  | [MOL File] 
 74003-55-7.mol
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 Xi
 |  | [Risk Statements ] 
 R36/37/38:Irritating to eyes, respiratory system and skin .
 |  | [Safety Statements ] 
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 S36:Wear suitable protective clothing .
 |  | [Hazard Note ] 
 Irritant/Air Sensitive
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 3,4-Dibromobenzaldehyde is used in the preparation of  isomeric branched pi-conjugated system with terminal alkyne  by reacting with 4-(triisopropylsilylethynyl) phenylacetylene.
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