|  | |  |  | Fluorescent Brightener 28 Basic information | 
 | Product Name: | Fluorescent Brightener 28 |  | Synonyms: | Benzenesulfonicacid,2,2’-(1,2-ethenediyl)bis[5-[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-,disodiumsalt;blancophorms31;blancophorms72;blancophorrg96fs;c.i.fluorescentbrightener28;c.i.fluorescentbrighteningagent28,disodiumsalt;Optical Brightener CBS-X (FBA 351);FLUORESCENT BRIGHTING AGENT |  | CAS: | 4193-55-9 |  | MF: | C40H45N12NaO10S2 |  | MW: | 940.98 |  | EINECS: | 224-073-5 |  | Product Categories: | Dye stuff;Organics |  | Mol File: | 4193-55-9.mol |  |  | 
|  |  | Fluorescent Brightener 28 Chemical Properties | 
 | Melting point | 290°C |  | density | 1.37[at 20℃] |  | vapor pressure | 0-0Pa at 25℃ |  | storage temp. | Hygroscopic, Room Temperature, Under inert atmosphere |  | solubility | DMSO (Slightly, Sonicated), Methanol (Slightly, Heated, Sonicated) |  | form | Solid |  | color | Light Yellow to Yellow |  | Water Solubility | 10-48.2g/L at 20-26℃ |  | Stability: | Hygroscopic |  | LogP | -3.5-0.95 at 25℃ |  | EPA Substance Registry System | Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-, sodium salt (1:2) (4193-55-9) | 
| Toxicity | LD50 orl-rat: 14,530 mg/kg MVCRB3 2,193,73 | 
|  |  | Fluorescent Brightener 28 Usage And Synthesis | 
 | Uses | Fluorescent brightener 28 (CAS# 4193-55-9) is a fluorescent whitening agent used for textiles. |  | Definition | ChEBI: Calcofluor White is an organic sodium salt. It contains a 4,4'-bis({4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl}amino)stilbene-2,2'-disulfonate. |  | Safety Profile | Poison by ingestion andintraperitoneal routes. Moderately toxic by subcutaneousroute. An eye irritant. Whenheated to decomposition it emits very toxic fumes ofNOx, Na2O, and SOx. | 
|  |  | Fluorescent Brightener 28 Preparation Products And Raw materials | 
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