Fluorescent Brightener 71 CAS 16090-02-1 Sourcing Candidate
Sourcing candidate for Fluorescent Brightener 71 / Optical Brightener FWA 71, CAS 16090-02-1, offered as a solid chemical auxiliary from a China-based supplier listing. Buyer review should focus on CAS confirmation, grade and assay basis, impurity profile, application fit, export documentation, packing options, and dangerous goods classification before RFQ or sample approval.
Quick buying facts
Identify the grade, package, and import market before comparing suppliers.
Use this page to check the product identity, common specification points, document scope, package notes, and destination-market questions before sending a China sourcing request.
CAS No.: 16090-02-1Optical brightener / fluorescent whitening agent chemical auxiliaryDocument review required before RFQ acceptance
Grade/concentration not clearly stated; request assay, active content, and application grade confirmation
Request COA parameters such as appearance, fluorescence intensity, moisture, insoluble matter, pH or alkalinity if applicable, ash/salts, and heavy metals where relevant to end use
Who uses this page
Target buyers
Textile auxiliary distributors
Detergent and cleaning product ingredient buyers
Paper chemical buyers
Coatings, inks, and plastics additive formulators
Chemical importers seeking China-origin optical brightener supply
Industrial chemical traders requiring CAS-specific documentation
Before matching
Documents to check
CAS number, grade, assay, and impurity profile
SDS, COA, TDS, HS code, and transport classification
Destination-market import documents before supplier matching
Package and route
Packing notes
Listed transport package includes 1 kg bag and 25 kg drum
Supplier indicates tailored packaging may be available on request
For sample orders, confirm sample size, label details, courier eligibility, and whether sample COA/SDS are provided
Confirm shelf life, storage statement on label, and batch traceability coding
Applications and sourcing options
Check whether this product fits the buyer's actual application.
Clear application, grade, package, and document notes help separate real sourcing demand from a vague price check.
Use context
Common applications
RFQ comparison for Optical Brightener FWA 71 supply
Prequalification of a China-based fluorescent brightener supplier
Sample evaluation for formulation compatibility and whiteness/brightness performance
Document review for import, resale, or manufacturing use
Batch-to-batch quality verification before recurring purchase
How we compare
Sourcing options
Request a representative sample with SDS, COA, and application data before bulk purchase
Ask for a specification sheet with acceptance limits rather than only general product identifiers
Compare 1 kg sample, 25 kg drum, and pallet-level pricing under FOB, CIF, DAP, or EXW terms
Request third-party pre-shipment inspection or independent lab testing for first commercial order
Qualify at least one alternative supplier for CAS 16090-02-1 to reduce supply risk
Human review
Compliance notes
Verify CAS 16090-02-1 identity against SDS, COA, label, and customs documents before purchase
Request current SDS in GHS format and confirm transport classification, UN number if applicable, packing group if applicable, and HS code
Do not rely on marketplace text as a regulatory determination; obtain supplier documentation and importer-side compliance review
Check REACH, SVHC, RoHS, OEKO-TEX, ZDHC, food-contact, textile, paper, detergent, or local inventory status only if relevant to the buyer’s market and application
Listing references California Proposition 65 and SVHC test reports; request full reports, test date, laboratory name, sample batch, and scope before using them for compliance decisions
Confirm whether the product contains regulated impurities, residual salts, heavy metals, aromatic amines, formaldehyde-related substances, or restricted solvent residues as required by the intended sector
Export/import eligibility, end-use restrictions, and destination-country registrations must be checked by the buyer and supplier before shipment
Buyer search paths
Related sourcing terms
These terms support long-tail discovery while keeping the page focused on useful product and China export buying context.
Fluorescent Brightener 71 supplier ChinaOptical Brightener FWA 71 CAS 16090-02-1CAS 16090-02-1 fluorescent whitening agentOptical brightener chemical auxiliaryFWA 71 China manufacturerFluorescent brightener solid 25kg drum
Related product options
Build a broader quote package from adjacent options.
Buyers often compare neighboring grades, forms, or route options before sending one consolidated RFQ.
Share target market, quantity, packaging scope, artwork status, delivery destination, and required documents so CHN Chemicals can prepare a cleaner supplier comparison.
Questions to confirm
Can you confirm the exact product identity: Fluorescent Brightener 71, CAS 16090-02-1, and provide SDS, COA, and TDS for the offered batch?
What is the grade, assay or active content, fluorescence strength, and standard specification range?
Which test methods are used for appearance, purity/active content, moisture, insoluble matter, pH, fluorescence intensity, and impurity testing?
Can you provide recent batch COAs and retain-sample traceability for commercial quantities?
What are the key impurities or by-products controlled in this material, and what are the typical maximum limits?
Is the material suitable for textile, detergent, paper, plastic, ink, coating, or other specific applications, and what application testing data can be shared?
What is the current monthly capacity, lead time, MOQ, and availability for trial orders versus full container or pallet shipments?
What packaging options are available besides 1 kg bags and 25 kg drums, and are export pallets, liners, and moisture barriers included?
Checks before quote
Verify CAS 16090-02-1 identity against SDS, COA, label, and customs documents before purchase
Request current SDS in GHS format and confirm transport classification, UN number if applicable, packing group if applicable, and HS code
Do not rely on marketplace text as a regulatory determination; obtain supplier documentation and importer-side compliance review
Check REACH, SVHC, RoHS, OEKO-TEX, ZDHC, food-contact, textile, paper, detergent, or local inventory status only if relevant to the buyer’s market and application
Listing references California Proposition 65 and SVHC test reports; request full reports, test date, laboratory name, sample batch, and scope before using them for compliance decisions
Confirm whether the product contains regulated impurities, residual salts, heavy metals, aromatic amines, formaldehyde-related substances, or restricted solvent residues as required by the intended sector
Export/import eligibility, end-use restrictions, and destination-country registrations must be checked by the buyer and supplier before shipment
Next step
Send the product page with your target quantity and market. A sourcing manager can then confirm sample options, supplier fit, packaging details, and open document gaps.
