Purpurin (C.I.58205) [81-54-9]
Order number: 19495136
Part number: AC100072354
![19495136 Purpurin (C.I.58205) [81-54-9]](https://media.alliedchemi.com/full/19495136)
£ 170.30*
*Prices without VAT and shipping costs£ 204.36*
*incl. VAT, plus shipping costsPrice Breakdown
Purpurin (C.I.58205) [81-54-9] is a documented reagent, featuring a molecular formula of C14H8O5 and a molecular weight of 256.21. Its Melting Point is specified as ≤3% Alizarin. This compound carries a Warning signal word Purpurin (C.I.58205) [81-54-9], as per the product specifications available for this SKU, appears as a Dark red to orange brown to brown powder with a pH range of 3.8-4.5 (50mg in 100m/l, 50/50 THF & H2O). It exhibits solubility in (1mg/ml NH4OH) Red to very dark red to purple solution. Additionally, it has an assay (HPLC) of ≥94%, a Loss on drying (150°C 1 hrs) of ≤1.0%, and a Spectrophotometric Assay Conc. 0.01g/l in methanol Extinction Co-efficient of E (237nm +/- 3nm) = 17000, E (257nm +/-.
- CAS Number: 81-54-9
- Assay (HPLC): ≥94%
- Molecular Formula: C14H8O5
- Exact Mass: 256.03717335
- GHS Signal Word: Warning
- Molecular Weight: 256.21
- Melting Point: ≤3% Alizarin
- Hazard Statements:
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- Melting Point: 253-256°C
| 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 |
