4-(4-Nitrophenylazo)resorcinol
SIAL/114669 - Dye content 90 %
Synonym: Azoviolet; Magneson I
CAS Number: 74-39-5
Empirical Formula (Hill Notation): C12H9N3O4
Molecular Weight: 259.22
EC Number: 200-808-5
MDL Number: MFCD00007310
Linear Formula: O2NC6H4N=NC6H3-1,3-(OH)2
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: 114669-100G
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: 114669-25G
| λmax | 432 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| composition | Dye content, 90% |
| form | powder |
| InChI | 1S/C12H9N3O4/c16-10-5-6-1 |
| InChI key | NGPGYVQZGRJHFJ-BUHFOSPRSA |
| mp | 195-200 °C (dec.) (lit.) |
| Quality Level | 200  |
| SMILES string | Oc1ccc(N=Nc2ccc(cc2)[N+ |
| storage temp. | room temp |
| Biochem/physiol Actions: | 4-(4-Nitrophenylazo) resorcinol, also known as azo violet or magneson I, is a red colored powder. It functions as a spot test reagent and forms blue lake on reaction with Mg(OH)2 in alkaline solution. It is mainly used for determining the presence of magnesium in the solution. |
| Biochem/physiol Actions: | 4-(4-Nitrophenylazo)resor |
| Packaging: | 25, 100 g in glass bottle |
| Hazard Codes | Xi |
| Risk Statements | 36/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| mp | 195-200 °C (dec.) (lit.) |
| Storage Temp. | room temp |
| UNSPSC | 12171500 |