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Phthalaldehyd ≥98%, gelbe Kristalle

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Synonyms: 1,2-BenzoldicarbaldehydOPAo-PhthalaldehydPhthaldialdehydPhthaldicarboxaldehyd

ICNA0210264801EA 50.6 EUR
ICNA0210264801 ICNA0210264880 ICNA0210264805 ICNA0210264825
Phthalaldehyd ≥98%, gelbe Kristalle
Phthalaldehyd

The molecule is a dialdehyde, consisting of two formyl (CHO) groups attached to adjacent carbon centres on a benzene ring.


o-Phthalaldehyde is used for precolumn derivatization of amino acids for HPLC separation and for flow cytometric measurements of protein thiol groups. Used for fluorometric determination of histamine, histidine and other amino acids. Also used for cholesterol assay in the picomole range.


Soluble in acetic acid (40 mg/ml) or methanol (21 mg/ml - clear solution); slightly soluble in water (5 mg/ml).


Syn: 2-Carboxybenzaldehyde; Phthaldialdehyde; o-Phthalic dicarboxaldehyde; Benzene-1,2-dicarboxaldehyde; OPA


Achtung! Bitte beachten: Protect from light. Store under nitrogen.

Formel: C₈H₆O₂
MW: 134,13 g/mol
Siedepunkt: 266 °C (1013 hPa)
Melting Pt: 53,5…56.3 °C
Dichte: 1,13 g/cm³ (20 °C)
Flash-Pt: 132 °C
Storage Temperature: Kühlschrank
MDL Number: MFCD00003335
CAS-Nummer: 643-79-8
EINECS: 211-402-2
UN: 2923
ADR: 6.1,II

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Spezifikation Testergebnisse

Identity Test Passes
Purity ≥98%
FTIR Conforms to Standard
Melting point 53 - 58 °C

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