79760
Sigma
Phthaldialdehyde
BioChemika, for fluorescence, ≥99.0% (HPLC)
| Synonym: | o-Phthalaldehyde, o-Phthalic dicarboxaldehyde, Benzene-1,2-dicarboxaldehyde, OPA |
| CAS Number: | 643-79-8 |
| Linear Formula: | C8H6O2 |
| Molecular Weight: | 134.13 |
| Beilstein Registry Number: | 878317 |
| EC Number: | 211-402-2 |
| MDL number: | MFCD00003335 |
| PubChem Substance ID: | 24887499 |
Description
| Application | For precolumn derivatization of amino acids for HPLC separation. For flow cytometric measurements of protein thiol groups. |
Properties
| grade | for fluorescence |
| product line | BioChemika |
| assay | ≥99.0% (HPLC) |
| total impurities | ≤0.5% phthalic acid |
| fluorescence | λex 340 nm; λem 450 nm in reaction buffer; glycine |
| mp | 54-56 °C |
| storage temp. | 2-8°C |
Safety
| Personal Protective Equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
| Hazard Codes | T,N |
| Risk Statements | 25-34-43-50 |
| Safety Statements | 26-36/37/39-45-61 |
| RIDADR | UN2923 8/PG 2 |
| WGK Germany | 3 |
| RTECS | TH6950000 |
| Flash Point(F) | 269.6 °F |
| Flash Point(C) | 132 °C |
References
| reference | Ashman, K. and Bosserhoff, A., H. Tschesche de Gruyter, ed. Mod. Methods Protein Chem. Berlin 2, 155, (1985) |
| Moeller, S.E. J. Chromatogr. 613, 223, (1993) | |
| Principe, P., et al., For flow cytometric measurements of protein thiol groups. Cytometry 10, 750, (1989) | |
| Beilstein | Beil. 7,IV,2138 |
