Purpurin (C.I.58205) [81-54-9]
Order number: 19495136
Part number: AC100072354
£ 204.36*
*Prices without VAT and shipping costs£ 245.23*
*incl. VAT, plus shipping costsPrice Breakdown
Purpurin (C.I.58205) stands out among stains and indicators due to its exceptional molecular structure, which provides precise results in various applications. Its dark red to orange-brown to brown powder appearance hints at the complex chemistry behind this compound. By leveraging its distinct properties, you can achieve reliable outcomes in your work.
Built for Reliable Stains & Indicators Performance
- The specified CAS number, 81-54-9, guarantees authenticity and quality control in every batch.
- This stain's high extinction coefficients at 237nm, 257nm, and 514nm make it an excellent choice for spectrophotometric assays.
- With a molecular weight of 256.21 g/mol, Purpurin (C.I.58205) offers a precise balance of performance and handling ease.
- Its purity, verified through HPLC analysis, shows an impurity level of ≤3% Alizarin, ensuring minimal interference in your experiments.
- Our careful storage instructions, recommending ambient conditions, preserve the integrity of the product over time.
Formulation Overview
Teams selecting Purpurin (C.I.58205) [81-54-9] typically match the Stains & Indicators category and the container format to the task.
Versatile Uses of the Product
- Operations planning around the container format shown for Purpurin (C.I.58205) [81-54-9].
- Sites where Purpurin (C.I.58205) [81-54-9] matches the listed Stains & Indicators category.
- Stains & Indicators tasks that call for Purpurin (C.I.58205) [81-54-9] by name and pack size.
- Facilities already using Stains & Indicators products comparable to Purpurin (C.I.58205) [81-54-9].
| Name | Value | |
|---|---|---|
| pH | : | 3.8-4.5 (50mg in 100m/l, 50/50 THF & H2O) |
| CAS | : | 81-54-9 |
| Appearance | : | Dark red to orange brown to brown powder |
| Categories | : | Stains & Indicators |
| Solubility | : | (1mg/ml NH4OH) Red to very dark red to purple solution. |
| Assay (HPLC) | : | ≥94% |
| Product Code | : | 19495136 |
| Product Name | : | Purpurin (C.I.58205) |
| Impurity HPLC | : | ≤3% Alizarin |
| Melting Point | : | 253-256°C |
| Storage Details | : | Ambient |
| Sulphur (S) ICP | : | ≤1500ppm |
| Molecular Weight | : | 256.21 |
| Molecular Formula | : | C14H8O5 |
| Manganese (Mn) ICP | : | ≤500ppm |
| Harmonised Tariff Code | : | 29146980 |
| Loss on drying ( 150°C 1 hrs ) | : | ≤1.0% |
| For research use only, not for human use | : | research use only, not for human use |
| Spectrophotometric Assay Conc. 0.01g/l in methanol Extinction Co-efficient | : | E (237nm +/- 3nm) = 17000, E (257nm +/- 3nm) = 17000, E (514nm +/- 3nm) = 7000 |
