Last updated: April 24, 2026
What supplier landscape covers PEG-3350, KCl, sodium bicarbonate, and NaCl for pharma use?
A pharma-compliant supply chain for these excipients and salts typically sources from global specialty chemical producers and ingredient distributors that sell under USP/EP/BP grades and DMF/CoA-driven documentation. Below are supplier categories and named manufacturers/distributors that commonly sell these exact materials into pharmaceutical markets.
PEG-3350: who supplies it for pharma formulations?
PEG-3350 (Macrogol 3350) is widely sold as polyethylene glycol for tablet, capsule, and solid oral formulation excipient use.
Common pharma-grade suppliers (manufacturers / brands used in pharma supply chains):
- BASF (PEG 3350 and PEG grades used in pharma supply chains)
- Dow (polyethylene glycol product lines used for excipients)
- Merck (MilliporeSigma) (PEG grades including PEG 3350 for lab and pharma ingredient channels)
- Thermo Fisher Scientific (distribution of PEG grades through Sigma-Aldrich / Fisher lines)
- Croda (PEG-based excipients through specialty chemical portfolio)
- Union Chemicals (polyether/PEG excipient supply via international channels, often with pharma documentation in distributor portfolios)
Typical compliance artifacts buyers expect (by supplier):
- USP/EP monograph grades listed for PEG 3350
- CoA with assay, identity, viscosity/average MW, water content
- TSE/BSE and compliance statements as applicable
- GMP/DMF availability depends on supplier and grade
Potassium chloride (KCl): which pharma suppliers sell it as excipient?
Potassium chloride is a bulk pharmaceutical excipient and also a formulation ingredient for oral and IV salts.
Common pharma-grade suppliers (manufacturers / brands used in pharma supply chains):
- AkzoNobel Functional Chemicals (marketed salts and specialty chemical distribution; pharma-grade supply via assigned grades)
- Merck (MilliporeSigma) (KCl pharmaceutical and reagent grades used in pharma ingredient channels)
- Thermo Fisher Scientific (distribution of KCl grades aligned to pharma needs through Sigma/Fisher lines)
- K+S Group (major global producer of potassium salts, with pharmaceutical/industrial-grade pathways)
- ICL Group (potash supply chain, pharma-grade pathways via audited distributors)
- Fisher Scientific / VWR (Thermo) (distribution channel for pharma-grade KCl depending on certificate and grade)
Documentation buyers typically require:
- USP/EP/BP grade listing
- CoA with assay, identity, pH-related properties, insoluble matter, water
- Traceability for salt source and specification conformance
Sodium bicarbonate: who supplies it for pharma markets?
Sodium bicarbonate (NaHCO₃) is widely used as a buffering agent and CO₂-releasing component in effervescent and oral formulations.
Common pharma-grade suppliers (manufacturers / brands used in pharma supply chains):
- Armaly (commodity and pharmaceutical chemical supply; channel availability varies by region)
- Merck (MilliporeSigma) (pharma-anchored NaHCO₃ grades in excipient/reagent channels)
- Thermo Fisher Scientific (distribution of NaHCO₃ grades through pharma-linked assortments)
- Jiangsu Yangnong Chemical (industrial-to-pharma channel presence in salt/bicarbonate supply)
- Brenntag (distribution network with pharma-grade sourcing and document management)
Typical spec expectations:
- USP/EP grade conformity
- CoA with assay, loss on drying, chloride/sulfate impurities
- Particle size and bulk density may matter depending on tablet effervescence design
Sodium chloride (NaCl): which pharma suppliers sell it as an excipient?
Sodium chloride is used as a tonicity agent, diluent, and electrolyte component across oral and sterile formulations.
Common pharma-grade suppliers (manufacturers / brands used in pharma supply chains):
- Merck (MilliporeSigma) (pharma-grade NaCl availability in ingredient channel)
- Thermo Fisher Scientific (distribution of NaCl grades for pharma supply chains)
- K+S Group (via sodium salt supply networks and downstream pharma-grade offerings)
- Morton Salt (major sodium chloride producer; pharma-grade pathways through qualified distributors)
- Brenntag (ingredient distribution with pharma documentation capabilities)
- Univar Solutions (ingredient distribution into pharma excipient supply)
Documentation expectations:
- USP/EP/BP excipient listing
- For sterile applications, suppliers/distributors typically need additional batch documentation and sterile-grade sourcing path
- CoA with assay, insoluble matter, sulfate, calcium/magnesium, water/trace impurities
How to map suppliers to pharma qualification needs (so procurement can act fast)
Pharma procurement usually breaks excipient qualification into grade and documentation gates. For these four items, the practical decision points are:
-
Grade family
- PEG-3350: excipient grade meeting USP/EP monograph
- KCl, NaHCO₃, NaCl: excipient grade meeting USP/EP/BP
-
Quality package
- CoA per batch
- SDS
- GMP statement or compliance letter
- TSE/BSE and residual solvent/heavy metals/organic impurities statements where specification drives it
-
Regulatory documentation
- DMF availability depends on supplier and business unit
- If your finished product dossier needs it, procurement prioritizes suppliers with established regulatory support in pharma formats
-
Manufacturing and traceability
- Traceability to manufacturing site and batch records is standard for pharma excipients
Supplier short-list format (for direct RFP execution)
Use the following supplier categories to build a short list that can return pharma documentation quickly:
| Ingredient |
Manufacturer and brand channels commonly used |
Best-fit procurement route |
| PEG-3350 |
BASF, Merck (MilliporeSigma), Dow, Thermo Fisher (distribution), Croda |
Direct from excipient-grade manufacturer or via pharma distributor with monograph grade |
| Potassium chloride |
Merck (MilliporeSigma), Thermo Fisher (distribution), K+S Group (source), ICL supply chains |
Pharma-grade excipient distributor or direct producer channel |
| Sodium bicarbonate |
Merck (MilliporeSigma), Thermo Fisher (distribution), Brenntag (distribution), Armaly (channel varies) |
Distribution with pharma doc management or direct excipient-grade supplier |
| Sodium chloride |
Merck (MilliporeSigma), Thermo Fisher (distribution), Morton Salt (source), Brenntag/Univar (distribution) |
Qualified distributor for pharma excipient or sterile-grade supply path if required |
Key Takeaways
- These four materials are standard pharma excipients and salts with a mature supplier base across major chemical producers (BASF, Dow, K+S, ICL) and pharma ingredient distribution (Merck/MilliporeSigma, Thermo Fisher, Brenntag, Univar).
- Procurement action should center on USP/EP/BP grade listing plus a complete batch documentation package (CoA, GMP/compliance letters, and TSE/BSE where applicable).
- For PEG-3350 specifically, shortlist suppliers that can support monograph-grade compliance and consistent molecular weight distribution controls.
- For NaCl and KCl, supplier selection should prioritize documented impurity control and traceability for your intended dosage form.
FAQs
1) Are these ingredients typically available in USP and EP grades?
Yes. PEG-3350, potassium chloride, sodium bicarbonate, and sodium chloride are routinely sold in monograph-aligned excipient grades for pharmaceutical use.
2) Do PEG-3350 supplier documents focus on molecular weight distribution and viscosity?
Yes. PEG-3350 suppliers typically report average molecular weight, identity, and key quality attributes such as viscosity or related functional properties in the CoA.
3) Which suppliers are best for fast pharma documentation turnaround?
Large ingredient distributors and top-tier chemical brands typically provide the most standardized documentation packages, including per-batch CoA and regulatory/compliance letters.
4) Can bulk salt producers supply pharma excipient requirements?
Yes, via pharma-grade pathways and qualified distribution channels. Bulk producers like K+S or Morton Salt commonly supply through downstream pharma-grade offerings.
5) Is sterile-grade sourcing a separate procurement lane for sodium chloride?
Yes. Sterile formulations require sterile-grade sourcing paths and additional documentation beyond standard excipient-grade.
References
[1] Merck KGaA. MilliporeSigma product listings for polyethylene glycol (PEG) grades and pharmaceutical chemicals (PEG-3350, potassium chloride, sodium bicarbonate, sodium chloride).
[2] BASF. Polyethylene glycol and PEG excipient product documentation and grade listings.
[3] Dow. Polyethylene glycol product lines and excipient-related grade information.
[4] K+S Group. Potash and salt supply information for pharmaceutical and industrial grade pathways.
[5] ICL Group. Potash and salt supply information and grade pathways.
[6] Morton Salt. Sodium chloride sourcing and product information used in pharma-grade supply chains.
[7] Brenntag. Pharmaceutical and life-science chemical distribution and documentation services.
[8] Univar Solutions. Pharmaceutical ingredient distribution and compliance documentation services.
[9] Croda. PEG-based excipient product portfolio and documentation for pharma applications.
[10] Thermo Fisher Scientific. Fisher Chemical/Sigma-Aldrich distribution listings for PEG and pharma excipients (grade-dependent).
