Phthaldialdehyde 5gm
Phthaldialdehyde for fluorometry. CAS 643-79-8, EC Number 211-402-2, chemical formula C₆H₄-1,2-(CHO)₂.
Manufacturer: Merck
Catalog ID: 111452.0005
Stock: In Stock
Description
| Catalogue Number | 111452 |
| Synonyms | OPA |
| Description | Phthaldialdehyde |
Product Information
| CAS number | 643-79-8 |
| EC number | 211-402-2 |
| Hill Formula | C₈H₆O₂ |
| Chemical formula | C₆H₄-1,2-(CHO)₂ |
| Molar Mass | 134.13 g/mol |
| HS Code | 2912 29 00 |
Applications
| Application | Phthaldialdehyde for fluorometry. CAS 643-79-8, EC Number 211-402-2, chemical formula C₆H₄-1,2-(CHO)₂. |
Physicochemical Information
| Boiling point | 83 - 84 °C (1 hPa) |
| Density | 1.13 g/cm3 (20 °C) |
| Flash point | 132 °C |
| Ignition temperature | 480 °C |
| Melting Point | 52 - 58 °C |
| pH value | 7 (53 g/l, H₂O, 20 °C) |
| Bulk density | 530 kg/m3 |
| Solubility | 53 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 178 mg/kg |
| LD 50 dermal | LD50 Rat > 2000 mg/kg |
Storage and Shipping Information
| Storage | Store below +15°C. |
Specifications
| Purity (GC) | ≥ 99 % |
| Identity (IR) | conforms |
| Melting point | 54 - 58 °C |
| Fluorescence (340 nm, 0,8 g/l, ethanol, as quinine) | ≤ 2 ppb |
| Phthalic acid (TLC) | ≤ 0.5 % |
| Nitrogen compounds (as N) | ≤ 0.05 % |
