Ethidium Bromide, Fisher BioReagents

Description

• Ethidium bromide (EtBr)  commonly used as a nucleic acid stain for gel electrophoresis due to its fluorescence when exposed to UV light
• Ethidium bromide intercalates double-stranded DNA and RNA
• Can be used to stain gel after electrophoresis or incorporated into the gel and running buffer 
• EtBr also acts as inhibitor of RNA and DNA polymerase

Specifications

Chemical Identifiers

• CAS: 1239-45-8
• Molecular Formula: C21H20BrN3
• Molecular Weight (g/mol): 394.32
• MDL Number: MFCD00011724
• InChI Key: ZMMJGEGLRURXTF-UHFFFAOYSA-N
• Synonym: ethidium bromide, homidium bromide, dromilac, 3,8-diamino-5-ethyl-6-phenylphenanthridinium bromide, ethydium bromide, 3,8-diamino-5-ethyl-6-phenylphenanthridin-5-ium bromide, etbr, 2,7-diamino-10-ethyl-9-phenylphenanthridinium bromide, 2,7-diamino-9-phenyl-10-ethylphenanthridinium bromide, unii-059nuo2z1l
• PubChem CID: 14710
• ChEBI: CHEBI:4883
• IUPAC Name: 5-ethyl-6-phenylphenanthridin-5-ium-3,8-diamine;bromide
• SMILES: [Br-].CC[N+]1=C(C2=CC=CC=C2)C2=CC(N)=CC=C2C2=CC=C(N)C=C12

• Melting Point: 260°C
• Color: Purple
• pH: 4.0 to 7.0
• Loss on Drying: 5% max.
• Packaging: Amber Glass
• Quantity: 5 g
• Merck Index: 15, 4769
• Formula Weight: 394.32
• Physical Form: Powder or Solid
• Chemical Name or Material: Ethidium Bromide

Safety and Handling

DOTInformation	DOT Class 6.1, : Poison
TSCA	Not on TSCA inventory: for R and D use only; not for manufacturing or commercial purposes.
Recommended Storage	RT

SDS