ChemicalBook > CAS DataBase List > Fluorescent Brightener 185

Fluorescent Brightener 185

Product Name
Fluorescent Brightener 185
CAS No.
2866-43-5
Chemical Name
Fluorescent Brightener 185
Synonyms
2,5-Bis(2-benzoxazolyl)thiophene;FBA185;c.i. 515240;fluorescent brightener 185;sof (fluorescent brightener);C.I. Fluorescent Brightener 172;2,5-di(benzoxazol-2-yl)thiophene;2,5-di(benzoxazol-2-yl)-thiophen;2,5-Bis(benzoxazol-2-yl)thiophene;2,5-BIS(2-BENZOXAZOL-2-YL)THIOPHENE
CBNumber
CB0855390
Molecular Formula
C18H10N2O2S
Formula Weight
318.35
MOL File
2866-43-5.mol
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Fluorescent Brightener 185 Property

Melting point:
216-220°C
Boiling point:
466.4±30.0 °C(Predicted)
Density 
1.385
refractive index 
1.6000 (estimate)
pka
1.27±0.10(Predicted)
Water Solubility 
9.551ug/L(25 ºC)
EPA Substance Registry System
2,5-Bis(2-benzoxazoyl)thiophene (2866-43-5)
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Safety

Toxicity
LD50 oral in rat: > 30gm/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

American Custom Chemicals Corporation
Product number
FFG0000211
Product name
2,5-BIS(2-BENZOXAZOL-2-YL)THIOPHENE
Purity
95.00%
Packaging
5MG
Price
$503.2
Updated
2021/12/16
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Fluorescent Brightener 185 Chemical Properties,Usage,Production

Chemical Properties

This product is light yellow crystalline powder with bright blue fluorescence. Melting point 218～219 ℃. Miscible with water in any ratio. Hard water resistance, acid resistance, alkali resistance. The fabric after using it has good light fastness, chlorine bleaching resistance and washing fastness.

Uses

Fluorescent Brightener 185 is used as a whitening treatment agent for acetate fiber, nylon, polyester, polypropylene, vinyl and blended fibers.

Synthesis

Using o-aminophenol and chlorobenzene as raw materials, Fluorescent Brightener 185 can be obtained after reaction.

Fluorescent Brightener 185 Preparation Products And Raw materials

Raw materials

o-Toluenesulfnic acid Ammonium bromide Glyoxal Fluorescent Whitening Agent EBF 1-Bromobutane 2-chloromethylbenzene Sodium sulfate Sodium methoxide solution Thioether Chloroacetyl chloride Dimethyl sulfide Dichloromethane Methanol 2-Aminophenol Oxazole BRIGHTENERS

Preparation Products

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Fluorescent Brightener 185 Suppliers

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View Lastest Price from Fluorescent Brightener 185 manufacturers

Career Henan Chemical Co
Product
Fluorescent Brightener 185 2866-43-5
Price
US $1.00/KG
Min. Order
1KG
Purity
Min98% HPLC
Supply Ability
G/KG/TON
Release date
2020-01-31

2866-43-5, Fluorescent Brightener 185Related Search:

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  • 2,2'-(2,5-thiophenediyl)bis-benzoxazole
  • 2,5-di(benzoxazol-2-yl)thiophene
  • 2,5-Bis(2-benzoxazolyl)thiophene
  • fluorescent brightener 185
  • C.I. Fluorescent Brightener 172
  • c.i. 515240
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  • Benzoxazole, 2,2-(2,5-thiophenediyl)bis-
  • (12224-41-8) fluorescent brightener 185
  • 2,5-Bis(benzoxazol-2-yl)thiophene
  • 2,2'-(2,5-thiophenediyl)bis-benzoxazol
  • 2,5-di(benzoxazol-2-yl)-thiophen
  • sof (fluorescent brightener)
  • 2,5-BIS(2-BENZOXAZOL-2-YL)THIOPHENE
  • FLUORESCENT BRIGHTENER 185 :2,2''-(2,5-THIOPHENEDIYL)BIS-BENZOXAZOLE
  • FBA185
  • 2-[5-(1,3-benzoxazol-2-yl)-2-thienyl]-1,3-benzoxazole
  • 2-[5-(1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole
  • Fluorescent Brightener 185 ISO 9001：2015 REACH
  • 2866-43-5
  • C18H10N2O2S
  • Industrial/Fine Chemicals