High-purity options
Compare listed grades and current product-specific limits.
Superior ReagentLaboratory & Analytical Solvents
Tetrahydrofuran (THF)
C₄H₈O · CAS 109-99-9
Tetrahydrofuran (THF) is used in polymer semiconductor thin-film characterization and related analytical workflows. The right grade depends on the method: detector, wavelength, gradient profile, background sensitivity and water tolerance are usually more useful starting points than a generic “premium” label.
A common starting point
Polymer semiconductor thin-film characterization
Molecular weight
72.11 g/mol
Boiling point
66 °C
Density
0.889 g/mL
✓High-purity options✓Batch documentation✓Flexible packaging review
Product identity
- CAS number
- 109-99-9
- Formula
- C₄H₈O
- Boiling point
- 66 °C
- Density
- 0.889 g/mL
Product overview
A product route built around the application
Tetrahydrofuran is considered for processes that need a consistent material, controlled critical impurities and a supply format that can move from qualification to routine use. The grade should be selected against the actual process—not a generic purity claim.
Controlled attributes
Focus testing on the impurities and performance risks that matter.
Supply planning
Align sample, production pack, forecast and document route early.
Before you specify
A better enquiry starts with four answers
A higher grade is not automatically the better choice. The useful option fits the process, analytical method, packaging route and qualification plan without adding controls the application does not need.
01
Which instrument and detector will the solvent be used with?
02
Is the method isocratic or gradient, and what wavelength or MS background is critical?
03
Are you transferring an established method or developing a new one?
04
Which lot documents and change-notification terms does your quality system require?
Specification data
Compare the listed grade columns
This table is an indicative product overview for initial screening. Confirm the current controlled specification, test methods, reporting limits and available lot documentation before qualification or purchase.
| Parameter | Test method | Unit | HPLC gradient | HPLC | Anhydrous | AR |
|---|---|---|---|---|---|---|
| Assay (GC) | GC-FID | % | ≥99.9 | ≥99.9 | ≥99.9 | ≥99.5 |
| Water Content (KF) | Karl Fischer | ppm | ≤20 | ≤30 | ≤30 | ≤300 |
| Peroxide (as H₂O₂) | Iodometric | ppm | ≤1 | ≤1 | ≤1 | ≤10 |
| BHT Stabilizer | GC-FID | ppm | ≤250 | ≤250 | — | ≤250 |
| UV Absorbance 254 nm | UV-Vis | AU | ≤0.01 | ≤0.02 | — | — |
| Residue on Evaporation | Gravimetric | ppm | ≤1 | ≤2 | — | ≤5 |
Website values do not replace a signed sales specification. The agreed specification and lot-specific Certificate of Analysis govern supplied material.
Where this product is used
Application routes for Tetrahydrofuran
These examples help with discovery. They are not claims of universal suitability; material compatibility, process performance and the controlled specification still need review.
Semiconductor & electronics
- Polymer semiconductor thin-film characterization
- organic photovoltaic (OPV) material research
Battery & energy storage
- Solid-state electrolyte (SSE) polymer membrane solvent
- Li-S battery polymer cathode binder
- Gel polymer electrolyte (GPE) preparation
Laboratory & analytical
- GPC/SEC mobile phase for polymer MW analysis
- Grignard reagent (RMgX) preparation solvent
- Ring-opening polymerization (ROP) solvent
- HPLC normal-phase mobile phase modifier
- Anionic polymerization solvent
Industrial & other
- PVC pipe adhesive cement
- polyurethane elastomer synthesis
- pharmaceutical API synthesis
Representative application cases
A practical evidence route for Tetrahydrofuran
These are illustrative composite qualification scenarios, not named customer claims. Exact methods, limits and acceptance decisions belong to the customer’s controlled process.
Method-blank investigation
An analytical laboratory checks whether Tetrahydrofuran (THF) contributes to variability near its working reporting range.
Evidence route
The candidate lot is run through the laboratory’s actual preparation method; supplier data supports but does not replace local blank trending.
Multi-site reagent alignment
European and US laboratories compare Tetrahydrofuran (THF) for a shared analytical workflow.
Evidence route
Pack, sampling, storage, element panel and acceptance checks are aligned, followed by verification at each site.
Manufacturing advantage
A controlled route from purification to final filling
The supply route for Tetrahydrofuran connects incoming-material review, product-specific treatment, controlled transfer, testing, filling and lot documentation. Exact equipment and controls depend on the qualified product and grade.
Purification
Product-specific separation or treatment route.
Filtration
Compatible filtration and controlled transfer.
Testing
Release against the agreed specification.
Clean filling
Pack, closure and lot identification review.
Quality assurance & documentation
Evidence your quality team can review
Documents are matched to the supplied product, grade, lot and destination. The links below request the current controlled version; they are not static files with uncertain revision status.
Certificate of Analysis
Lot-specific result or conformance format.
Request current file →Safety Data Sheet
Product- and market-specific hazard communication.
Request current file →Batch traceability
Connection between production, testing, pack and lot.
Request current file →Specification sheet
Agreed limits, units and referenced methods.
Request current file →Packaging options
Choose the pack with the handling route in mind
Availability varies by grade and destination. Confirm container material, closure, headspace, connection, minimum order, dangerous-goods route and qualification-lot needs.
Qualification & laboratory packs
For evaluation, method work and lower-volume routine use.
500 mL2.5 L5 L25 L
Drums & production packs
For regular production consumption and controlled dispensing.
25 L
IBC & bulk routes
For higher-volume programmes after site, grade and logistics review.
Confirm by grade
Technical resources
Continue the technical review
Use application notes for context, then confirm current product documents before qualification.
Start a product review
Need a reliable supply route for Tetrahydrofuran?
Send the application, current specification, critical limits, pack, destination and forecast so the response can be technically useful.