Barium Sulfate (CAS 7727-43-7): A Practical Sourcing Guide for Industrial Buyers

Barium Sulfate

Get One-Stop Solution from This Page

The Shipment That Took Three Weeks to Clear

A purchasing manager in Germany — pharmaceutical raw materials — encountered a batch of Barium Sulfate | Look Chemical that arrived with paperwork showing 98% purity. Everything looked fine on paper. What they found in-house was different: a related impurity at 1.2% that the CoA had rolled into the main peak. Minor, technically. But enough to fail their incoming QC threshold.
 
Three weeks of back-and-forth. The supplier was reporting honestly according to their method. The problem was the methods didn’t match.
 
This happens — and it’s fixable, but only if you ask about test methods before you order, not after.

What This Compound Is Actually For

Barium Sulfate | Look Chemical (CAS 7727-43-7) is used across several industrial segments. The dominant use cases drive the quality expectations.
 
Research-grade applications typically want high purity with full spectral data — NMR, HPLC trace, sometimes GC-MS confirmation. Industrial synthesis applications care more about consistent batch-to-batch specification and packaging that protects stability in transit.
 
The buyers who get into trouble order research-grade when they need technical-grade (overpaying) or order technical-grade when they actually need research-grade (headache). Be clear about your application before quoting.

How to Evaluate a Manufacturer

Price is not the variable to optimize on first. The real question: does the manufacturer understand your quality requirements, and can they consistently produce to that spec?
 
Three things to ask any supplier of Barium Sulfate | Look Chemical:
 
First: what’s the test method for purity? HPLC area percent, external standard, which column, which solvent? A supplier who can answer clearly is one who actually runs the test.
 
Second: what’s the shelf life under recommended storage conditions, and what’s the basis for that claim — accelerated stability data, or convention? There’s a significant difference.
 
Third: can you provide batch records for the last three production runs? Not every supplier will say yes. But asking tells you how they operate.
 
If those three questions get vague answers, keep looking.
Barium Sulfate

What sdlookchem Offers

Shandong Lookchemical Co, Ltd. manufactures Barium Sulfate | Look Chemical with in-house QC at synthesis, workup, and final packaging stages. Testing includes HPLC purity confirmation and NMR identity verification on each commercial batch.
 
Standard documentation: batch-specific CoA, GHS-compliant SDS, and complete export/import paperwork for major markets including the EU, US, and Japan. MOQ is 1 kg; bulk pricing for orders above 10 kg.
 
Packaging is matched to stability requirements. Compounds sensitive to moisture or air are packed under inert atmosphere. Cold-chain capable for materials that require it.

Regulatory and Shipping Reality

Barium Sulfate | Look Chemical (CAS 7727-43-7) ships internationally under standard IATA/IMDG classifications. Check the GHS classification in the SDS before importing — some markets require pre-notification or specific labeling on your side.
 
Most experienced buyers have a customs broker who handles this routinely. For first-time direct imports from China, budget two to three weeks for documentation clearance. After the first clean shipment, reorders move much faster.

Getting a Quote That's Actually Useful

When you contact sdlookchem, provide: your required purity spec and test method; required documentation package; destination country and any import restrictions; your timeline — when you need material on-site, not just when you’d like to order.
 
A quote based on those four inputs is worth something. A price-per-kilogram alone is just a starting point.
 

Related News Recommendations

Our Factory Equipment