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P0657 Sigma-Aldrich

Phthaldialdehyde

suitable for HPLC fluorimetric detection of amino acids, ≥99% (HPLC), powder

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 24898119

  •  NACRES NA.21

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Properties

Related Categories Aldehydes, Amino Acid Analysis, Biochemicals and Reagents, Building Blocks, C8,
Quality Level   200
assay   ≥99% (HPLC)
form   powder
color   light yellow
mp   55-58 °C
suitability   suitable for HPLC fluorimetric detection of amino acids
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

Phthaldialdehyde has been used:
• in the preparation of O-phthaldialdehyde reagent for analysing gentamycin content
• in the preparation of reagent for determining the degree of hydrolysis of milk proteins
• in the measurement of free amino acids of milk samples by O-phthaldialdehyde/N-acetyl-L-cysteine (OPA/NAC) assay
• in the derivatization of putrescine samples

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 
Target organs 
Respiratory system
RIDADR 
UN2923 - class 8 - PG 2 - EHS - acidic - Corrosive solids, toxic, n.o.s., HI: all
WGK Germany 
WGK 3
RTECS 
TH6950000
Flash Point(F) 
269.6 °F - closed cup
Flash Point(C) 
132 °C - closed cup

Documents

Certificate of Analysis (COA)

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

References

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