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Spirit Fast Yellow GR Solvent Dye for PVC/PU - CAS 10343-55-2 sourcing visualCandidate - requires CAS, impurity, DG, and document verification
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Spirit Fast Yellow GR Solvent Dye for PVC/PU - CAS 10343-55-2

Buyer-facing sourcing candidate for Spirit Fast Yellow GR, a yellow solvent dye powder offered for plastics, inks, and wood stain applications. Key checks for RFQ should confirm CAS 10343-55-2, grade/concentration basis, MEK solubility, dyeing strength, moisture, insolubles, color difference control, heavy metal/metal-complex status, export classification, and document availability before sampling or bulk purchase.

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.: 10343-55-2 as listed by source; buyer should verify against SDS, COA, label, and customs documentsSolvent dye / synthetic yellow dye powderCandidate - requires CAS, impurity, DG, and document verification
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Identity and grade

Typical specifications

  • CAS No.: 10343-55-2 as listed by source; buyer should verify against SDS, COA, label, and customs documents
  • Formula listed: C16H11CrN4O8S; chromium-containing structure should be confirmed by supplier documentation
  • EINECS: 233-747-8 as listed
  • Model/grade reference: SY 19 / Spirit Fast Yellow GR
  • Appearance: yellow powder
  • Dyeing strength: 98-102%
  • pH value: 6.0-8.0
  • Moisture: 2.0% max
  • Solubility in MEK at 20°C: 500 g/L min
  • Insolubles in MEK at 100 g/L, 20°C: 1.0% max
  • Color difference: supplier should provide Delta E limit and test method
  • Listed uses: plastics, ink, wood stain; buyer should validate compatibility for PVC, PU, coatings, inks, or other intended systems
Who uses this page

Target buyers

  • PVC compounders sourcing yellow solvent dye for color matching
  • PU material producers requiring solvent-soluble yellow dye checks
  • Ink and coating formulators evaluating yellow solvent dye options
  • Wood stain manufacturers seeking high-solubility yellow dye powder
  • Chemical distributors importing solvent dyes with document review requirements
  • Color masterbatch and plastics additive buyers requiring lot-to-lot shade consistency
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: carton
  • Listed specification: 25 kg/bag
  • MOQ shown on source page: 500 kg
  • Sample option shown on source page; buyer should confirm sample size, cost, lead time, and whether sample COA matches bulk lot specifications
  • Request palletization details, inner liner type, moisture protection, carton dimensions, net/gross weight, and export marks
  • Confirm whether neutral packing, buyer label, or lot-specific labeling is available
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

  • Colorant evaluation for PVC and PU systems after compatibility and migration testing
  • Solvent dye candidate for inks, coatings, or wood stain formulations after lab validation
  • Bulk sourcing comparison against existing yellow solvent dye standards
  • Distributor catalog expansion where CAS, COA, SDS, and transport status are verified before listing
  • Sample-to-bulk qualification for buyers requiring shade strength, solubility, and impurity checks
How we compare

Sourcing options

  • Factory-direct or trading-company quotation for 25 kg packed material
  • Sample order followed by COA-matched pilot lot
  • Bulk shipment by sea freight subject to confirmed DG status
  • Buyer-label or neutral packing subject to supplier confirmation
  • Third-party inspection or lab testing before shipment
  • Annual/quarterly supply agreement after batch consistency review
Human review

Compliance notes

  • Request current SDS in GHS format, COA, TDS, product label, and transport classification before ordering
  • Confirm whether the dye is a metal-complex/chromium-containing dye and request heavy metal, restricted substance, and impurity declarations relevant to the destination market
  • Confirm REACH, RoHS, EN 71-3, APEO, PAHs, SVHC, California Proposition 65, TSCA, DSL/NDSL, or other declarations only where supplier can provide documented evidence
  • Verify dangerous goods status for air, sea, road, and courier shipment; do not rely only on marketplace listing
  • Confirm export documentation readiness including commercial invoice, packing list, COA, SDS, certificate of origin, and any destination-specific declarations
  • Buyer should validate CAS, EINECS, HS code, grade name, and color index identity because marketplace data may be incomplete or inconsistently formatted
  • No regulatory approval or destination-market compliance is guaranteed by the listing; documentation must be reviewed lot by lot
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.

Spirit Fast Yellow GRCAS 10343-55-2Solvent Yellow 19yellow solvent dye Chinasolvent dye for PVCsolvent dye for PUyellow dye powderplastic dye supplierink solvent dyewood stain dyeMEK soluble dyesynthetic solvent dye
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RFQ questions before supplier matching

Turn this product into a quote request.

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 chemical identity, CAS No. 10343-55-2, EINECS No. 233-747-8, and Color Index name/number for Spirit Fast Yellow GR?
  • Is this material equivalent to Solvent Yellow 19 or another registered dye identity? Please provide TDS, SDS, and COA for a recent production lot.
  • What is the standard grade and concentration basis for dyeing strength 98-102%? What reference standard is used?
  • Please provide test methods for pH, moisture, MEK solubility, insolubles, and Delta E color difference.
  • What is the guaranteed Delta E specification and batch-to-batch color tolerance?
  • Can you provide impurity data, heavy metal profile, chromium content/speciation statement, and restricted substance declarations for our target market?
  • Is the product suitable for PVC and PU under our processing conditions? Can you provide application test data or shade card without making end-use compliance claims?
  • What is the DG classification for sea and air transport? Please share the latest transport section from the SDS.
Checks before quote
  • Request current SDS in GHS format, COA, TDS, product label, and transport classification before ordering
  • Confirm whether the dye is a metal-complex/chromium-containing dye and request heavy metal, restricted substance, and impurity declarations relevant to the destination market
  • Confirm REACH, RoHS, EN 71-3, APEO, PAHs, SVHC, California Proposition 65, TSCA, DSL/NDSL, or other declarations only where supplier can provide documented evidence
  • Verify dangerous goods status for air, sea, road, and courier shipment; do not rely only on marketplace listing
  • Confirm export documentation readiness including commercial invoice, packing list, COA, SDS, certificate of origin, and any destination-specific declarations
  • Buyer should validate CAS, EINECS, HS code, grade name, and color index identity because marketplace data may be incomplete or inconsistently formatted
  • No regulatory approval or destination-market compliance is guaranteed by the listing; documentation must be reviewed lot by lot
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.