Product Name

  • Name

    Fluorescent Brightener 28

  • EINECS 224-073-5
  • CAS No. 4193-55-9
  • Density 1.37[at 20℃]
  • Solubility 10-48.2g/L at 20-26℃
  • Melting Point 290oC
  • Formula C40H44N12O10S2.2Na
  • Boiling Point
  • Molecular Weight 960.95
  • Flash Point
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 4193-55-9 (Fluorescent Brightener 28)
  • Hazard Symbols
  • Synonyms 2,2'-Stilbenedisulfonicacid, 4,4'-bis[[4-anilino-6-[bis(2-hydroxyethyl)amino]-s-triazin-2-yl]amino]-,disodium salt (6CI,7CI);C.I. Fluorescent Brightening Agent 28, disodium salt(8CI);4,4'-Bis[4-anilino-6-bis(2-hydroxyethyl)amino-s-triazin-2-yl]amino-2,2'-stilbenedisulfonicacid disodium salt;BA (fluorescent brightener);Brightener BR 3;C.I. 40622;C.I. FluorescentBrightener 28;Cellufluor;Hiltamine Arctic White CWD;Kayaphor FB;Phorwite AR;Tinopal5BMS;Tinopal UNPA-GX;
  • PSA 344.02000
  • LogP 5.04520

Fluorescent Brightener 28 Chemical Properties

Molecular Structure of C.I. Fluorescent brightening agent 28 (CAS NO. 4404-43-7):

IUPAC Name: 5-[[4-Anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid  
Molecular Formula: C40H44N12O10S2
Molecular Weight: 916.981760 g/mol
Apperance: Yellow powder
Index of Refraction: 1.744
Molar Refractivity: 232.49 cm3
Molar Volume: 573.7 cm3
Surface Tension: 107.4 dyne/cm
Density: 1.598 g/cm3
Melting Point: 290°C
Storage Temp.: Store at RT.
EINECS: 224-073-5
Product Categories: INORGANIC & ORGANIC CHEMICALS; Dye stuff; Organics

Fluorescent Brightener 28 Safety Profile

Safety Information of C.I. Fluorescent brightening agent 28 (CAS NO. 4404-43-7):
Hazard Codes: Xi Irritant
Risk Statements: 36
R36:Irritating to eyes
Safety Statements: 26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
WGK Germany: 3

Fluorescent Brightener 28 Specification

  C.I. Fluorescent brightening agent 28 with cas registry number of 4404-43-7 is also called 4,4'-Bis((4-(bis(2-hydroxyethyl)amino)-6-anilino-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonic acid ; 4,4'-Bis((4-anilino-6-(bis(2-hydroxyethyl)amino)-s-triazin-2-yl)amino)-2,2'-stilbene disulfonic acid ; Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)- . It is widely used in PVC, PE, PP, PS, ABS, other thermoplastic and polyester fiber, paint, ink, paint, etc.

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