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: 2026-05-27 22:57:02
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) |
![]() 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
New Products
Cyclobutanone (R)-(-)-2-Amino-1-propanol Fmoc-OSu 5-bromo-4-fluoro-2-nitrobenzaldehyde 2-Amino-2-(4-methylphenyl)acetic acid 1-(2-Chloroethyl)pyrrolidine Hydrochloride 2,4-Dihydroxybenzaldehyde Obidoxime hydrochloride API Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, sodium salt (1:1), (6S) Dipropyl disulfide N-Vinylformamide 4 pentyn 1 ol Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 2-Butyn-1-oL N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. 2-Pentyn-1-oL 4-Nitrobenzotrifluoride N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamideRelated products of tetrahydrofuran






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