EMAIL THIS PAGE TO A FRIEND
79760 Sigma-Aldrich

Phthaldialdehyde

for fluorescence, ≥99.0% (HPLC)

Synonym: o-Phthalaldehyde, o-Phthalic dicarboxaldehyde, Benzene-1,2-dicarboxaldehyde, OPA

  • CAS Number 643-79-8

  • Empirical Formula (Hill Notation) C8H6O2

  • Molecular Weight 134.13

  •  Beilstein/REAXYS Number 878317

  •  EC Number 211-402-2

  •  MDL number MFCD00003335

  •  PubChem Substance ID 57652816

  •  NACRES NA.32

Purchase

Properties

Related Categories Aldehydes, Alphabetical, Amino Acid Analysis, Amino Acids, Analytical Reagents,
grade   for fluorescence
assay   ≥99.0% (HPLC)
impurities   ≤0.5% phthalic acid
mp   54-56 °C
fluorescence   λex 334 nm; λem 455 nm (Thiol Adduct)
  λex 340 nm; λem 450 nm in reaction buffer (with glycine)
storage temp.   2-8°C
SMILES string   O=Cc1ccccc1C=O
InChI   1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H
InChI key   ZWLUXSQADUDCSB-UHFFFAOYSA-N

Description

Application

For precolumn derivatization of amino acids for HPLC separation. For flow cytometric measurements of protein thiol groups.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN2923 - class 8 - PG 2 - EHS - acidic - Corrosive solids, toxic, n.o.s., HI: all
WGK Germany 
3
RTECS 
TH6950000
Flash Point(F) 
269.6 °F
Flash Point(C) 
132 °C

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number

Meet Synthia - Retrosynthesis Sofware
Protocols & Articles
Peer-Reviewed Papers
15

References

Related Products

related product

Product #

Description

Add to Cart

08168 Timestrip Plus 8 °C

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?