Iron Oxide Red Pigment CAS 1309-37-1 for Concrete, Coatings, Plastics and Construction Materials
Buyer-facing sourcing candidate for synthetic iron oxide red pigment, CAS 1309-37-1, formula Fe2O3, supplied as an insoluble fine powder for concrete, cement products, paints, coatings, plastics, rubber, ceramics and related color applications. RFQs should confirm shade, grade, particle size, tinting strength, soluble salt level, moisture, oil absorption, dispersibility, packing format, export documentation and destination compliance requirements before ordering.
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.: 1309-37-1Inorganic pigment / synthetic iron oxide pigmentCandidate - requires CAS/spec, impurity and export document verification
Key quality points stated by supplier: high color purity, uniform particle size, low soluble salt content, good dispersibility, color stability and lightfastness
Particle size: Standard micron grade or customized; exact D50/residue data should be confirmed
Grade/concentration: Not clearly stated; buyer should request full COA specification for intended application grade
Who uses this page
Target buyers
Concrete pigment importers
Construction material manufacturers
Ready-mix and precast concrete producers
Paint and coating formulators
Plastic masterbatch producers
Rubber product manufacturers
Ceramic and tile colorant buyers
Industrial pigment distributors
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
Supplier states standard packaging or customized packaging is available; exact bag size and palletization should be confirmed in RFQ.
Request export-ready packing details, including net weight per bag, number of bags per pallet, pallet dimensions, moisture protection and container loading quantity.
For private-label or OEM supply, confirm whether logo, color shade, appearance size or packaging customization is available and whether MOQ changes apply.
Ask whether samples are available for shade matching, concrete trial batches or coating/plastic dispersion testing before bulk order.
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
Coloring concrete, cement blocks, pavers and precast construction products
Pigmentation for architectural coatings and industrial paints
Colorant for plastic and rubber products where inorganic pigment stability is required
Ceramic, tile and decorative material coloration
Color matching for red, yellow, black or blended inorganic pigment systems
Bulk pigment sourcing for distributors serving construction and coating markets
How we compare
Sourcing options
Standard synthetic iron oxide red pigment CAS 1309-37-1
Customized shade matching for concrete or coating applications
Customized particle size or appearance size subject to supplier confirmation
OEM/private-label packaging with buyer logo subject to MOQ
Sample order for lab, shade and application testing before bulk shipment
Bulk export shipment in standard or customized packing
Human review
Compliance notes
CAS/spec verification is required because the page title and description are marketing-oriented and do not provide a complete technical specification sheet.
Request COA, TDS, SDS, product photos, batch traceability, particle size report and soluble salt/heavy metal impurity data where relevant to the destination market and application.
Supplier describes the pigment as non-hazardous, but buyers should verify DG classification, HS code, SDS transport section and any destination-specific import requirements before shipment.
For construction, coating, plastic or art-material applications, confirm applicable limits for soluble salts, moisture, heavy metals, water-soluble matter, pH, oil absorption and residue on sieve.
No regulatory approval, compliance certification or exemption should be assumed from the listing alone; obtain documents and review with importer or local compliance counsel.
For overseas shipments, confirm export documents such as commercial invoice, packing list, certificate of origin, SDS, COA and any test reports required by the buyer’s country.
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.
iron oxide red pigmentCAS 1309-37-1Fe2O3 pigmentsynthetic iron oxide redinorganic red pigmentconcrete pigmentcement pigmentconstruction pigmentred oxide powderiron oxide pigment for coatingsiron oxide pigment for plasticslow soluble salt pigment
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 provide the latest COA and TDS for iron oxide red pigment CAS 1309-37-1, including Fe2O3 content, moisture, pH, oil absorption, water-soluble matter, soluble salts and residue on sieve?
What shade standard is available for red iron oxide, and can you match a buyer-provided standard or Pantone/RAL target?
What are the particle size range, D50 value and dispersion characteristics for concrete, coating and plastic applications?
Is this product synthetic iron oxide red, and are there any added fillers, dispersants, surface treatments or blends?
What impurity data can you provide, including heavy metals and soluble salt content, for export and end-use review?
What packing sizes are available, such as 25 kg bags, jumbo bags or palletized export packing?
What is the MOQ for standard shade versus customized shade, logo or packing?
Can you provide SDS, COA, TDS, certificate of origin and batch photos before shipment?
Checks before quote
CAS/spec verification is required because the page title and description are marketing-oriented and do not provide a complete technical specification sheet.
Request COA, TDS, SDS, product photos, batch traceability, particle size report and soluble salt/heavy metal impurity data where relevant to the destination market and application.
Supplier describes the pigment as non-hazardous, but buyers should verify DG classification, HS code, SDS transport section and any destination-specific import requirements before shipment.
For construction, coating, plastic or art-material applications, confirm applicable limits for soluble salts, moisture, heavy metals, water-soluble matter, pH, oil absorption and residue on sieve.
No regulatory approval, compliance certification or exemption should be assumed from the listing alone; obtain documents and review with importer or local compliance counsel.
For overseas shipments, confirm export documents such as commercial invoice, packing list, certificate of origin, SDS, COA and any test reports required by the buyer’s country.
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.
