Alizarin Red S
SIAL/A5533 - certified by the BSC
Synonym: 3,4-
CAS Number: 130-22-3
Empirical Formula (Hill Notation): C14H7NaO7S
Molecular Weight: 342.26
EC Number: 204-981-8
MDL Number: MFCD00013049
Linear Formula: C14H7NaO7S
Product Type: Chemical
| ε (extinction coefficient) | 592-598 nm at 0.015 g/L in 0.1 M NaOH |
| agency | certified by the BSC |
| application(s) | diagnostic assay manufacturing hematology histology |
| color | yellow-orange to dark orange |
| dark red | |
| concentration | 0.015 g/L in 0.1 M NaOH |
| form | powder |
| InChI | 1S/C14H8O7S.Na/c15-11-6-3 |
| InChI key | HFVAFDPGUJEFBQ-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| SMILES string | [Na+].Oc1c(O)c(cc2C(=O)c3 |
| solubility | H2O: 1 mg/mL |
| storage temp. | room temp |
| technique(s) | titration: suitable |
| Application: | • Alizarin Red S has been used for checking the calcium deposits in osteogenic culture. • It has been used for the quantitative analyses of calcification in aortic explants. • It has been used for mineral staining in osteoblast cultures. |
| Application: | Certified for use in Dahl′s method for calcium |
| Biochem/physiol Actions: | Alizarin Red S is used for the staining of cartilage and bone. It reacts with calcium, thereby helping in the diagnosis of calcium deposits. It is also used to study carbohydrate–boronic acid interactions. |
| Packaging: | 25 g in glass bottle |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Storage Temp. | room temp |
| Colour Index Number | 58005 |
| UNSPSC | 12171500 |

