Slight yellow powder FWA Fluorescent Whitening Agent Dye product
TDS 2 Inquiries
1533-45-5
Industrial Grade
98%
Tianjin
Goldstar
25kg/drum
2026-08-14
silver mercury,Cellulose acetate tow,SLES,LABSA,soap noodles,Lithium hydroxide
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Product Description
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Seller Information
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Inquiry History
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DescriptionCertificatesBasic Info
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Product Name:
4,4′-Bis(2-benzoxazolyl)stilbene
Other Name:Benzoxazole,2,2′-(1,2-ethenediyldi-4,1-phenylene)bis-;Benzoxazole,2,2′-(vinylenedi-p-phenylene)bis-;2,2′-(1,2-Ethenediyldi-4,1-phenylene)bis[benzoxazole];p,p′-Bis(2-benzoxazolyl)stilbene;2,2′-(Vinylenedi-p-phenylene)bisbenzoxazole;4,4′-Di(benzoxazol-2-yl)stilbene;4,4′-Bis(2-benzoxazolyl)stilbene;Optical Brightener 1;C.I. 40674;Fluorescent Brightener 393;C.I. Fluorescent Brightener 393;Eastobrite OB 1;OB 1;Uvitex OB 1;Uvitex OB-ONE;Eastobrite OB 3;TM;TM (UV stabilizer);Benetex OB 1;2,2′-(1,2-Ethenediyl)bis(4,1-phenylene)bisbenzoxazole;Fluorescent brightener OB 1;1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene;2-[4-[2-[4-(1,3-Benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole;Benetex OB 1HP;120366-98-5;2252271-38-6
CAS No.:1533-45-5
Molecular Formula:C28H18N2O2
InChIKeys:InChIKey=ORACIQIJMCYPHQ-UHFFFAOYSA-N
Molecular Weight:414.45
Exact Mass:414.45
EC Number:216-245-3
HScode:29349990
Categories:
Characteristics-
PSA:
52.1
XLogP3:7.47340
Appearance:DryPowder
Density:1.2151 (rough estimate)
Melting Point:365-368 °C
Boiling Point:533.34°C (rough estimate)
Flash Point:285.1±21.0 °C
Refractive Index:1.5800 (estimate)
Storage Conditions:-20°C
Vapor Pressure:2.79E-12mmHg at 25°C
Hazard IdentificationClassification of the substance or mixture
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word No signal word
Hazard statement(s) H411 Toxic to aquatic life with long lasting effects
Precautionary statement(s) Prevention P273 Avoid release to the environment.
Response P391 Collect spillage.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
silver mercury,Cellulose acetate tow,SLES,LABSA,soap noodles,Lithium hydroxide
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Location:
Room 2701, Building4,Tatan International Trade Plaza, South of Shengli street, Qiaoxi District ,Shijiazhuang city
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Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
15
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
11-50
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Year of Establishment:
2020
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Inquiry History2 Inquiries
Country Product Purchase Quantity Date Posted 
Kuwait
Optical brightener
1 MT Jul 24, 2025 
India
OB-1
1000 KG Aug 4, 2025 Post an enquiry for this product
