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P0532

Sigma-Aldrich

Phthaldialdehyde Reagent

Solution Complete

Synonym(s):
OPA
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

storage temp.

2-8°C

SMILES string

[H]C(=O)c1ccccc1C([H])=O

InChI

1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H

InChI key

ZWLUXSQADUDCSB-UHFFFAOYSA-N

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Application

Precolumn derivatization reagent for primary amines and amino acids. The fluorescent derivative can be detected by reverse-phase HPLC. The reaction requires OPA, primary amine and a sulfhydryl. In the presence of excess sulfhydryl, amines can be quantitated. In the presence of excess amine, sulfhydryls can be quantitated.

Other Notes

Contains 1 mg o-phthaldialdehyde (P0657) per mL solution with 2-mercaptoethanol as the sulfhydryl moiety.

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Repr. 1B - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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SDS

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