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Fluorescent Optical Brightener Ob-1 CAS1533-45-5 Brightening Agent
US$12.50-12.80
100 kg
Sample price:US$1.00/gram.Request sample
Product profile
Customization
AvailableCAS No.
1533-45-5Formula
C28h18n2o2Model NO.
OB-1EINECS
216-245-3Appearance
PowderUsage
Plastic Auxiliary AgentsColor
GreenTransport Package
25kg Per DrumSpecification
25kg/drumTrademark
NEWSANDAOrigin
ChinaHS Code
32042000Production Capacity
5000mt/MonthKey features
High Purity Content: 98.5% purity bright yellowish green crystals powder for optimal performance.
Versatile Application: Effective whitening agent for polyester-cotton blends and various plastics.
Customizable Packaging: Standard 25kg drums/boxes/bags with customizable options for clients.
Global Export Experience: Exported to over 25 countries including US, Europe, and Southeast Asia.
Fast Lead Time: Consistent 15 workdays lead time for both peak and off-season orders.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-05-03Nearest Port: QINGDAO, TIANJINAverage Response Time: ≤6.08hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FCA
AI-Powered supplier vetting
SummaryQingdao New Sanda Industry Co., Ltd. is identified as both a trading company and manufacturer/factory in China, focused on chemicals and construction-related products. The supplier reports ISO-series management certifications, two production lines, 21–30 quality-control staff, and peak- and off-peak order fulfillment within 15 working days. Its stated capabilities include R&D, customized formulations, formulation optimization, application testing, troubleshooting, multilingual documentation, and after-sales support. The supplier reports extensive export coverage and began exporting in 2015, but the available trade evidence shows only one recorded transaction and one associated buyer. Financial credibility cannot be assessed because financial data is excluded from evaluation.
Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory. Its stated business focuses on chemical products and industrial additives, including Titanium Dioxide, HPMC, VAE, HEC, CMC, and related materials.
CertificationsThe supplier lists ISO 9000, ISO 14001, ISO 9001, ISO 14000, and ISO 20000 certifications. These stated certifications provide explicit evidence of certified management-system coverage, although the slices do not provide certificate numbers, validity dates, or scope details.
After-Sales capabilityThe supplier states that it provides after-sales service, multilingual documentation, formulation optimization, application testing, and troubleshooting. These are explicit service offerings supporting customers after product delivery.
R&D capabilityThe supplier describes a dedicated R&D team, technical innovation, market-responsive product development, and feedback integration from global partners. It also reports total R&D engineer experience of 11–20 years, supporting an established innovation function.
Production capacityThe supplier presents itself as a chemical manufacturer and reports two production lines, 21–30 quality-control staff, and fulfillment within 15 working days in both peak and off-peak periods. Its product portfolio and end-to-end commercial supply description support production capability, although total output details are not evaluated here.
Customization capabilityThe supplier explicitly offers customized formulations for specific application challenges and provides formulation optimization, application testing, and troubleshooting. Its process includes sample testing through full-scale commercial supply, indicating support for tailored industrial additive solutions.
Product Q&A
Q:What is the purity of Optical Brightener OB-1?
A:
The purity is 98.5%, appearing as bright yellowish green crystals powder.
Q:Is the product soluble in water?
A:
No, it is insoluble in water but soluble in high boiling point organic solvents like phenyl-chloride.
Q:What materials can this brightener be used for?
A:
It is a good whitening agent for polyester-cotton blend fabrics and various kinds of plastics.
Q:What is the melting point of the product?
A:
The minimum melting point is between 355 and 360 degrees Celsius.
Q:Can the packaging be customized?
A:
Yes, we offer standard 25kg packaging but can customize it according to customer requirements.
Send Inquiry
*To:
Qingdao New Sanda Industry Co., Ltd.
Qingdao New Sanda Industry Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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