o-Phthaldehyde, GR 99%+
o-Phthaldehyde, GR 99%+ (CAS 643-79-8) supplier Zemixal. Request a quote with price, lead time and documents. Purity ≥99%.
About o-Phthaldehyde, GR 99%+
Zemixal supplies o-Phthaldehyde, GR 99%+ within its life Science & Biochemicals portfolio. Identity at a glance (AR): CAS 643-79-8, formula C8H6O2 and molar mass 134.13 g/mol. Expect light yellow to yellow with a green cast powder.
Common uses in the lab and plant
- Electrophoresis
- DNA/RNA workflows
- Protein analysis
- Chromatography
Storage and safety notes
Store at 2–8 °C. Physical constants on file: melting point 54-58 °C. It carries the GHS signal word Danger (H228, H301, H314 and H315), so wear gloves and eye protection and work with good ventilation.
Order it in 1 g, 5 g, 25 g, 100 g and 1 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Electrophoresis
- DNA/RNA workflows
- Protein analysis
- Chromatography
Applications
Grade guides
Specifications and identifiers
| Product name | o-Phthaldehyde, GR 99%+ |
|---|---|
| Catalogue number | ZX-003370 |
| CAS number | 643-79-8 |
| IUPAC name | phthalaldehyde |
| Molecular formula | C8H6O2 |
| Molar mass | 134.13 g/mol |
| Exact mass | 134.0368 |
| Grade | AR |
| Purity / assay | ≥99% |
| Physical form | Powder |
| Appearance | Light yellow to yellow with a green cast powder |
| Melting point | 54-58 °C |
| XLogP3 | 1.2 |
| H-bond donors / acceptors | 0 / 2 |
| Topological polar surface area | 34.1 Ų |
| Storage | 2–8 °C |
| HS code | 29122990 |
| InChIKey | ZWLUXSQADUDCSB-UHFFFAOYSA-N |
| SMILES | C1=CC=C(C(=C1)C=O)C=O |
| PubChem CID | 4807 |
| Synonyms | 2-Phthalaldehyde, o-Phthalic dicarboxaldehyde, Benzene-1,2-dicarboxaldehyde, OPA, Phthaldialdehyde, o-Phthalaldehyde, o-Phthaldialdehyde, 1,2-Benzenedicarboxaldehyde, Phthalic aldehyde, ortho-Phthalaldehyde, benzene-1,2-dicarbaldehyde, Phthalic dialdehyde |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H228Flammable solid
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H335May cause respiratory irritation
- H373May causes damage to organs through prolonged or repeated exposure
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements P210, P240, P241, P260, P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P316, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P319, P321, P330, P332 + P317
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 1 g | Quoted on request | |
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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