Typical specifications
- CAS 39380-78-4; EINECS 235-595-8
- Formula listed as Cr(OH)SO4
- Cr2O3 24-26% or 21-23%
- Basicity 32-34% or 38-42%
- Fe max 0.1%; water insolubles max 0.1%
- Bright green industrial-grade powder
Human reviewBack to sourcing hubTextile / Paper
Basic Chromium Sulfate 24-26% for Industrial Printing and Tanning
Basic chromium sulfate candidate, CAS 39380-78-4, Cr(OH)SO4, bright green powder. Listed Cr2O3 24-26% or 21-23%, basicity 32-34% or 38-42%, Fe and water insolubles max 0.1%. Confirm grade, impurities, SDS, export controls, DG status, and packaging before RFQ.
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 39380-78-4; EINECS 235-595-8Inorganic chromium sulfate saltHuman review
Target buyers
- Leather tanning chemical importers
- Printing and dye auxiliary distributors
- Industrial chromium salt buyers
- Electroplating chemical sourcing teams
- Chemical traders needing 25 kg bags
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
Packing notes
- Listed packing: 25 kg PP bag
- Ask for pallet pattern and net/gross weight
- Confirm moisture barrier and inner liner
- Request export marks and batch labels
- Check sample availability and sample COA
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.
Common applications
- Leather tanning and retanning applications
- Industrial dyeing or colorant formulations
- Printing auxiliary chemical sourcing
- Electroplating-related industrial use
- Chromium salt distribution programs
Sourcing options
- Request 24-26% Cr2O3 standard grade
- Compare 21-23% Cr2O3 lower grade option
- Source with pre-shipment third-party testing
- Ask for container-load and palletized quotes
- Qualify alternate suppliers for continuity
Compliance notes
- Request SDS, COA, TDS, and origin documents
- Confirm chromium valence and impurity profile
- Check DG classification with destination rules
- Verify HS code 3202900000 before import
- Assess RoHS claim against actual test report
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.
basic chromium sulfatebasic chrome sulphateCAS 39380-78-4chromium sulfate powderCr2O3 24-26%industrial chromium salt
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Build a broader quote package from adjacent options.
Buyers often compare neighboring grades, forms, or route options before sending one consolidated RFQ.
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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.
- Which Cr2O3 and basicity grade is available now?
- Can you provide recent batch COA and SDS?
- What are limits for Cr(VI), heavy metals, and moisture?
- Is this shipped as DG in your export paperwork?
- What MOQ, lead time, and Incoterms apply?
- Can packaging meet our port and labeling rules?
- Request SDS, COA, TDS, and origin documents
- Confirm chromium valence and impurity profile
- Check DG classification with destination rules
- Verify HS code 3202900000 before import
- Assess RoHS claim against actual test report
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.