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HomeProduct name listFluorescent Brightener 185

Fluorescent Brightener 185

  • CAS NO.:2866-43-5
  • Empirical Formula: C18H10N2O2S
  • Molecular Weight: 318.35
  • MDL number: MFCD00205000
  • EINECS: 220-685-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-05-29 16:45:47
Fluorescent Brightener 185 Structural

What is Fluorescent Brightener 185?

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.

The Uses of Fluorescent Brightener 185

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.

Properties of Fluorescent Brightener 185

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)

Safety information for Fluorescent Brightener 185

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Fluorescent Brightener 185

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