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ChemicalBook > Product Catalogue >Catalyst and Auxiliary >Fluorescent brightener >FLUORESCENT BRIGHTENER 28

FLUORESCENT BRIGHTENER 28

FLUORESCENT BRIGHTENER 28 Structure
  • ₹0
  • Product name: FLUORESCENT BRIGHTENER 28
  • CAS: 4404-43-7
  • MF: C40H44N12O10S2
  • MW: 916.98
  • EINECS:224-548-7
  • MDL Number:MFCD00308955
  • Synonyms:CALCOFLUOR WHITE ST;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 ;c.i.fluorescentbrighteningagent28
Properties Safety Information Description
Manufacturer Product number Product description Packaging Price Updated Buy

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

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

It was used in the identification and study of the structure and biosynthesis of chitin, the second most abundant polysaccharide found in nature, from the freshwater spongeSpongilla lacustris. Fluorescent Brightener 28, which shows enhanced fluorescence when binding to chitin, was used to elucidate particular location of chitin in the skeletal structures.

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Suppliers and manufacturers

Shandong Deshang Chemical Co., Ltd.
FLUORESCENT BRIGHTENER 28
₹7.00/kg
FLUORESCENT BRIGHTENER 28 CAS:4404-43-7
Hebei Guanlang Biotechnology Co., Ltd.
Optical Brightener OB
₹1.00 /1KG
Optical Brightener OB CAS:4404-43-7
career henan chemical co
FLUORESCENT BRIGHTENER 28
₹6.60 /1KG
FLUORESCENT BRIGHTENER 28 CAS:4404-43-7
Dideu Industries Group Limited
FLUORESCENT BRIGHTENER 28
₹1.10 /1g
FLUORESCENT BRIGHTENER 28 CAS:4404-43-7
Ganpati Kolor Chem Jay Kay Dyes & Chemicals
Henan Tianfu Chemical Co.,Ltd.
Shanghai Longyu Biotechnology Co., Ltd.
Chongqing Chemdad Co., Ltd
Zhengzhou Alfa Chemical Co.,Ltd