Pararosaniline acetate
ALDRICH/215945 - Dye content 90 %
Synonym: Basic Parafuchsin; Basic Red 9; Magenta™ O
CAS Number: 6035-94-5
Empirical Formula (Hill Notation): C19H17N3 · C2H4O2
Molecular Weight: 347.41
EC Number: 227-918-6
MDL Number: MFCD00012570
Linear Formula: C19H17N3 · C2H4O2
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 215945-25G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 215945-5G
| ε (extinction coefficient) | ≥11000 at 235-241 nm in ethanol: water (1:1) at 0.004% |
| ≥16000 at 286-292 nm in ethanol: water (1:1) at 0.004% | |
| ≥78000 at 543-549 nm in ethanol: water (1:1) at 0.004% | |
| λmax | 545 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| composition | Dye content, 90% |
| form | solid |
| InChI | 1S/C19H17N3.C2H4O2/c20-16 |
| InChI key | YIXIVOYGLPFDCY-UHFFFAOYSA |
| mp | 203 °C (dec.) (lit.) |
| Quality Level | 200  |
| SMILES string | CC(O)=O.Nc1ccc(cc1)C(c2c |
| solubility | 95% ethanol: 0.1% |
| storage temp. | room temp |
| Biochem/physiol Actions: | Pararosaniline acetate is one of the components of basic fuchsin. It acts as a reversible, linear inhibitor of horse butyrylcholinesterase (BChE). |
| Legal Information: | Magenta is a trademark of Merck KGaA, Darmstadt, Germany |
| Other Notes: | This is the pure, principal component of mixtures commonly referred to as Basic Fuchsin. |
| Packaging: | 5, 25 g in glass bottle |
| Symbol |  GHS08 |
| Signal word | Warning |
| Hazard statements | H351 |
| Precautionary statements | P281 |
| Hazard Codes | Xn |
| Risk Statements | 40 |
| Safety Statements | 22-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 203 °C (dec.) (lit.) |
| Storage Temp. | room temp |
| Colour Index Number | 42500 |
| UNSPSC | 12171500 |