- Optical Brightener OB
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- $1.00 / 1KG
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2025-12-29
- CAS:4404-43-7
- Min. Order: 1KG
- Purity: 99%
- Supply Ability: 10 mt
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| | FLUORESCENT BRIGHTENER 28 Basic information |
| | 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) |
| 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 |
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