Gram’s iodine solution
SIAL/90107 - suitable for microscopy
Synonym: Potassium Triiodide
Product Type: Chemical
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| antibiotic activity spectrum | Gram-negative bacteria |
| Gram-positive bacteria | |
| application(s) | diagnostic assay manufacturing hematology histology |
| color | brown to very dark brown |
| density | 1.005 g/mL at 20 °C |
| form | liquid |
| product line | BioChemika |
| Quality Level | 100  |
| refractive index | n |
| shelf life | limited shelf life, expiry date on the label |
| storage temp. | room temp |
| suitability | bacteria |
| suitable for microscopy | |
| technique(s) | microbe id | staining: suitable |
| Application: | Gram’s iodine solution is used as a mordant in the Gram staining process. It is added after the primary staining step with Crystal Violet; the resultant Crystal Violet - Iodine complex imparts purple color to the cells. |
| Biochem/physiol Actions: | Iodine(I) interacts with Crystal Violet(CV) to form large CV-I complexes within the cytoplasm and outer layers of the cell. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Density | 1.005 g/mL at 20 °C |
| Refractive Index | n |
| Storage Temp. | room temp |
| UNSPSC | 12171500 |