Understanding the material
Select the material by its full chemical name and agreed quality specification. Published identity information helps define the enquiry; batch quality, physical grade, packing and availability are confirmed through the current manufacturer documentation and SBS quotation.
Product Identity & Specifications
Chemical identity, physical characteristics and key specifications for Hydroxypropyl Methylcellulose (HPMC / Hypromellose).
| Parameter | Description / value | Basis / application |
|---|---|---|
| Product identity | Hydroxypropyl Methylcellulose (HPMC / Hypromellose) | Specify the complete product name. |
| CAS number | 9004-65-3 | Published identity reference |
| Molecular formula | Variable substituted cellulose | Formula or variable polymer composition |
| Reference formula mass | Variable; polymer | Formula-unit basis; polymer mass varies |
| Physical grade | Substituted cellulose ether | Confirm the offered grade and particle characteristics. |
| Assay and impurities | Current specification and batch COA | Read the calculation basis with water and solvent results. |
| Packaging and retest | Manufacturer-specific | Confirm in the quotation and batch documents. |
Identity and published standard
USP–NF published identity
Use the linked reference to review the chemical identity. The applicable edition and complete quality specification must be agreed for the offered material.
View identity referenceA public identity reference is not evidence that an offered batch complies with a pharmacopoeia.
For further information and current COA/specification, please contact us.
Request current COA & specificationApplications & functional benefits
Formulation development
Binding, film formation and viscosity control.
Manufacturing qualification
Review the source, analytical methods and batch documentation before commercial process qualification.
Procurement evaluation
Send your target specification, quantity and destination so SBS can review a suitable sourcing proposal.
Identity, physical grade and specification
| Selection point | Material / requirement | Buyer review |
|---|---|---|
| Material identity | Substituted cellulose ether | Confirm the exact material and grade in the purchase specification. |
| Physical grade | Particle distribution and bulk characteristics | Agree measurable limits and test methods for the intended process. |
| Quality standard | Required pharmacopoeia or agreed specification | Review the current specification, COA and supporting documentation. |
Formulation & processing
Product-specific considerations
Hydroxypropyl methylcellulose, also called hypromellose or HPMC, is a cellulose ether with variable substitution and viscosity. Specify substitution type and viscosity test conditions; immediate-release, coating and modified-release grades are not automatically interchangeable.
Functional performance
Assess the selected grade, concentration and processing method in the complete formulation.
Process suitability
Confirm compatibility and finished-product quality in the complete formulation; a material name or assay result alone does not establish process suitability.
What to check in the specification
- Excipient identity, physical grade and hydration state
- Applicable identity, purity and functional tests
- Current specification and batch COA
- Water or loss on drying and residual solvents
- Particle characteristics and microbiological requirements appropriate to the process
Current product documentation
Request the current batch COA, complete specification, SDS and stability/retest information. Discuss manufacturer qualification and applicable regulatory-support documents for your intended market.
Request documents for Hydroxypropyl Methylcellulose (HPMC / Hypromellose)Packing, storage & handling
Packing and quotation details
Confirm pack size, inner liner, container type, batch traceability, quantity and delivery terms with the quotation. No standard pack size or stock availability is implied.
Storage and safe handling
Keep the original container closed and protected from contamination. Follow the manufacturer’s labelled storage conditions, retest date and SDS; agree additional light or moisture protection where required.
Frequently asked questions
What should an enquiry include?
Required grade, application, specification, quantity and delivery destination.
Are specifications and documents available?
Request the current batch COA, complete specification, SDS and stability/retest information. Discuss manufacturer qualification and applicable regulatory-support documents for your intended market.
Are different grades interchangeable?
Confirm identity, particle characteristics and functional performance before substituting a grade.
Technical information sources
Need more information?
Contact SBS for further product details, current COA, specification, packing and a quotation for your requirement.
Contact SBS for details and documents