C.I. Fluorescent Brightener 244
Fluorescent brightener 71
CAS: 16090-02-1
Molecular Formula: C40H38N12Na2O8S2
C.I. Fluorescent Brightener 244 - Names and Identifiers
| Name | Fluorescent brightener 71 |
| Synonyms | Tinopal DMS Photine CBUS-3B Fluorescent-260 Optical Brightener DMS Fluorescent Whitener CXT Fluorescent brightener 71 fluorescent brightener 71 Fluorescent brightener 260 Fluorescent Brightener71,260 C.I. Fluorescent Brightener 71 C.I. Fluorescent Brightener 244 C.I. Fluorescent brightener 260 C.I. Fluorescent Brightener 250 Fluorescent brightening agent 71(C.I.40625) disodium 4,4'-bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate 2,2'-(E)-ethene-1,2-diylbis(5-{[4-morpholin-4-yl-6-(phenylamino)-1,3,5-triazin-2-yl]amino}benzenesulfonic acid) disodium 2,2'-(E)-ethene-1,2-diylbis(5-{[4-morpholin-4-yl-6-(phenylamino)-1,3,5-triazin-2-yl]amino}benzenesulfonate) 2,2'-(1,2-ethenediyl)bis[5-[[4-(4-morpholinyl)-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-benzenesulfonic acid], disodium salt |
| CAS | 16090-02-1 |
| EINECS | 240-245-2 |
| InChI | InChI=1/C40H40N12O8S2.2Na/c53-61(54,55)33-25-31(43-37-45-35(41-29-7-3-1-4-8-29)47-39(49-37)51-17-21-59-22-18-51)15-13-27(33)11-12-28-14-16-32(26-34(28)62(56,57)58)44-38-46-36(42-30-9-5-2-6-10-30)48-40(50-38)52-19-23-60-24-20-52;;/h1-16,25-26H,17-24H2,(H,53,54,55)(H,56,57,58)(H2,41,43,45,47,49)(H2,42,44,46,48,50);;/q;2*+1/p-2/b12-11+; |
C.I. Fluorescent Brightener 244 - Physico-chemical Properties
| Molecular Formula | C40H38N12Na2O8S2 |
| Molar Mass | 924.91486 |
| Density | 0.417-1.54[at 20℃] |
| Melting Point | >270 °C |
| Water Solubility | 1.223-1.9g/L at 20-25℃ |
| Solubility | DMSO (Slightly), Methanol (Very Slightly, Heated) |
| Vapor Presure | 0-0Pa at 25℃ |
| Appearance | Solid |
| Color | Pale Yellow |
| Storage Condition | 存放在阴凉、干燥的库房内，避光，贮存期24个月。荧光增白剂FBCW产品运输时应避免碰撞和曝晒。 |
| Physical and Chemical Properties | There are two types of structures, namely α- The amorphous structure consists of light yellow powder and β- The crystal form is a white crystal. β- Crystal shape has a good whitening effect, high affinity for cellulose fibers, stability for chlorine bleach, high whitening effect in the range of 20~100 ℃, absorption spectrum wavelength of 349nm, fluorescence emission wavelength of 442nm, moderate solubility in water, smaller than whitening agents VBL and JD-3, soluble in ethylene glycol, and can be mixed with hot water to form a 10% suspension. Anionic type, can be mixed with anionic surfactants, dyes, and non-ionic surfactants, with a fluorescent color of cyan. |
| Use | Used for paper whitening; It also has a good whitening effect on fabrics such as cotton fibers, amino plastics, and nylon. |
C.I. Fluorescent Brightener 244 - Preparation method
Open Data Verified Data
Firstly, add 850kg of water to the ingredient pot, stir and add 285kg of DSD acid. After heating and dissolving, adjust the pH value to 6-7 using a 10% sodium carbonate aqueous solution. Then move it into the high-level slot for backup. Add 3000kg of ice water to the condensation kettle and 1400kg of 20% melamine acetone solution below 0 ℃. Stir to disperse evenly, then add DSD sodium acid aqueous solution dropwise at 0-5 ℃. Adjust the pH value at any time with a 10% sodium carbonate solution to maintain it at 6-7.5. After dripping, add 156kg of aniline, react at 30-35 ° C for 2 hours, then add 170kq of morpholine, and react at 80 ° C for another 2 hours. After completing the reaction, evaporate acetone and adjust the pH value to 6-7.5 with alkali. Heat up to 120-130 ° C at this temperature α- Transforming amorphous objects into β- Crystallization, cooling after transformation, filtering, washing filter cake with water, adding a certain amount of sodium carbonate, kneading, drying at 80 ℃, and mixing with sodium sulfate (anhydrous sodium sulfate) to the required fluorescence intensity to obtain whitening agent DMS.
Last Update：2023-12-21 12:55:18
C.I. Fluorescent Brightener 244 - Reference Information
| LogP | -1.58-1.186 at 25℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | suitable for whitening cotton, polyester-cotton blended fabrics and other cotton blended fabrics |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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Product Name: Fluorescent brightener 71 Request for quotationCAS: 16090-02-1
Tel: +86 19849939632
Email: 2470479589@qq.com
Mobile: +86 19849939632
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Product Name: Fluorescent brightener 71 Request for quotation
CAS: 16090-02-1
Tel: 0086-551-65418684
Email: sales@tnjchem.com
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Mobile: 0086 189 4982 3763
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CAS: 16090-02-1
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CAS: 16090-02-1
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