Alizarin
SIAL/122777 - Dye content 97 %
Synonym: 1,2-
CAS Number: 72-48-0
Empirical Formula (Hill Notation): C14H8O4
Molecular Weight: 240.21
EC Number: 200-782-5
MDL Number: MFCD00001201
Linear Formula: C14H8O4
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: 122777-500G
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: 122777-100G
| ε (extinction coefficient) | 13000 at 227-233 nm in 0.1 M NaOH at 0.01 g/L |
| 26000 at 268-274 nm in 0.1 M NaOH at 0.01 g/L | |
| λmax | 567 nm (2nd) |
| 609 nm | |
| application(s) | diagnostic assay manufacturing hematology histology |
| color | yellow |
| composition | Dye content, 97% |
| form | solid |
| InChI | 1S/C14H8O4/c15-10-6-5-9-1 |
| InChI key | RGCKGOZRHPZPFP-UHFFFAOYSA |
| mp | 279-283 °C (lit.) |
| Quality Level | 200  |
| SMILES string | Oc1ccc2C(=O)c3ccccc3C(=O) |
| solubility | 0.1 M NaOH: 0.01 g/L |
| storage temp. | room temp |
| visual transition interval | 10.1-12.1, red to violet(alkaline) |
| 5.5-6.8, yellow to red(acid) |
| Application: | Alizarin has been used as a biological stain to dye cotton fabrics and is used as standard in UV-visible spectrophotometer. |
| Biochem/physiol Actions: | Alizarin (1, 2-dihydroxyanthraquinone) is an anthraquinone dye and acts as a main chromophore of madder dye. It is used as a dye in the production of lake pigments. Alizarin is a key constituent in extracts of roots of various members of Rubiaceae, Morinda, Gallium, Oldenlandia families. |
| Packaging: | 100, 500 g in glass bottle |
| Symbol |    GHS05,GHS07,GHS09 |
| Signal word | Danger |
| Hazard statements | H317 - H318 - H410 |
| Precautionary statements | P261 - P272 - P273 - P280 - P302 + P352 - P305 + P351 + P338 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 279-283 °C (lit.) |
| Storage Temp. | room temp |
| Colour Index Number | 58000 |
| UNSPSC | 12171500 |