Introduction：Basic information about FLUORESCENT BRIGHTENER 28 CAS 4404-43-7, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
FLUORESCENT BRIGHTENER 28 Basic information
| Product Name: | FLUORESCENT BRIGHTENER 28 |
| Synonyms: | CALCOFLUOR WHITE ST;CALCOFLUOR WHITE M2R;CI 40622;Fluorescent Brightener28,Calcofluor White M2R, TinopalUNPA-GX;V56;Optiblanc NL;2.5-Bis(5-tertbutyl-2-benzoxazlyl)phiophene;5-triazin-2-yl]amino]--6-(phenylamino)-3 |
| CAS: | 4404-43-7 |
| MF: | C40H44N12O10S2 |
| MW: | 916.98 |
| EINECS: | 224-548-7 |
| Product Categories: | Dye stuff;INORGANIC & ORGANIC CHEMICALS;Organics |
| Mol File: | 4404-43-7.mol |
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FLUORESCENT BRIGHTENER 28 Chemical Properties
| Melting point | 290°C |
| Boiling point | 1311℃[at 101 325 Pa] |
| density | 1.598±0.06 g/cm3(Predicted) |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Store at RT. |
| solubility | DMSO (Slightly, Sonicated), Methanol (Slightly, Heated, Sonicated) |
| pka | -1.28±0.50(Predicted) |
| form | Solid |
| color | Light Yellow to Yellow |
| Water Solubility | 80g/L at 25℃ |
| Stability: | Stable under recommended storage conditions., Stable Under Recommended Storage C |
| LogP | -3.5 |
| EPA Substance Registry System | C.I. Fluorescent Brightening Agent 28 (4404-43-7) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36 |
| Safety Statements | 26 |
| WGK Germany | 3 |
| TSCA | TSCA listed |
FLUORESCENT BRIGHTENER 28 Usage And Synthesis
| Chemical Properties | Light yellow powder, odorless, soluble in alkanes, fats, mineral oils, paraffins and most organic solvents, with a spectral maximum absorption value of 375mm (in ethanol) and a maximum emission wavelength of 435nm (in ethanol). |
| Uses | Fluorescent Brightener 28 (Technical Grade) is used for the staining of fungi and as a viability stain. Dyes and metabolites. |
| Definition | ChEBI: An organosulfonic acid comprising stilbene having 4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl}amino groups at the 4 and 4'-positions and sulfo groups at the 2- and 2'-positions. |
FLUORESCENT BRIGHTENER 28 Preparation Products And Raw materials
| Raw materials | Sodium carbonate-->Aniline-->Cyanuric chloride-->Monoethanolamine-->4,4'-Diamino-2,2'-stilbenedisulfonic acid |
| Preparation Products | Master-batches |
