00681

Phthaldialdehyde

puriss. p.a., ≥98.5% (HPLC)

• Synonym(s): o-Phthalaldehyde, o-Phthalic dicarboxaldehyde, Benzene-1,2-dicarboxaldehyde, OPA
• Empirical Formula (Hill Notation): C₈H₆O₂
• CAS Number: 643-79-8
• Molecular Weight: 134.13
• EC Number: 211-402-2
• UNSPSC Code: 12352100
• PubChem Substance ID: 24844938
• Beilstein/REAXYS Number: 878317
• MDL number: MFCD00003335

Properties

• grade: puriss. p.a.
• assay: ≥98.5% (HPLC)
• impurities: ≤0.5% phthalic acid
• ign. residue: ≤0.1% (as SO₄)
• mp: 54-56 °C
• cation traces: Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg
• 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

Biochem/physiol Actions

Phthaldialdehyde can be used for the pre-column derivatization of amino acids for high-performance liquid chromatography (HPLC) separation. It may also be used for flow cytometric measurements of protein thiol groups.

Safety Information

• Pictograms: GHS06,GHS05,GHS09
• Signal Word: Danger
• Hazard Codes: H301,H314,H317,H335,H410
• Precautionary Statements: P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point (°F): 269.6 °F - closed cup
• Flash Point (°C): 132 °C - closed cup
• PPE (personal protective equipment): Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter