High-purity options
Compare listed grades and current product-specific limits.
Electronic G2Electronic G3Electronic G4Electronic G5Electronic Grade Solvents
Dimethyl Sulfoxide (DMSO)
(CH₃)₂SO · CAS 67-68-5
Dimethyl Sulfoxide (DMSO) is commonly discussed for oled organic light-emitting layer inkjet printing solvent. The grade conversation should begin with the process step, exposed surface and agreed limits for water, trace metals and particles—not with the highest purity label by default.
A common starting point
OLED organic light-emitting layer inkjet printing solvent
Molecular weight
78.13 g/mol
Boiling point
189 °C
Density
1.100 g/mL
✓High-purity options✓Batch documentation✓Flexible packaging review
Product identity
- CAS number
- 67-68-5
- Formula
- (CH₃)₂SO
- Boiling point
- 189 °C
- Density
- 1.100 g/mL
Product overview
A product route built around the application
Dimethyl Sulfoxide 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
Where in the process does the chemical contact the wafer, substrate or tool?
02
Which metals, particles, anions, water or residue limits are truly critical?
03
What is the current qualified specification or incumbent baseline?
04
How will the product be sampled, connected, filtered and stored on site?
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 | G4 | G5 | AR |
|---|---|---|---|---|---|
| Assay (GC) | GC-FID | % | ≥99.99 | ≥99.999 | ≥99.7 |
| Water Content (KF) | Karl Fischer | ppm | ≤50 | ≤20 | ≤1000 |
| Total Metals (ICP-MS) | ICP-MS | ppb ea. | ≤0.5 | <0.1 | — |
| Dimethyl Sulfide (DMS) | GC-FID | ppm | ≤5 | ≤2 | ≤20 |
| Dimethyl Sulfone | GC-FID | ppm | ≤50 | ≤20 | ≤200 |
| Color (APHA) | ASTM D1209 | Hazen | ≤5 | ≤5 | ≤10 |
| Peroxide (as H₂O₂) | Iodometric | ppm | ≤0.5 | ≤0.2 | ≤2 |
| Residue on Evaporation | Gravimetric | ppm | ≤5 | ≤2 | ≤10 |
Website values do not replace a signed sales specification. The agreed specification and lot-specific Certificate of Analysis govern supplied material.
Electronic grade context
Use the grade scale as a first comparison
SEMI C1 describes liquid-chemical grades and analytical procedures. A grade name helps organise a discussion; your process specification still decides which limits and methods are acceptable.
Electronic Grade Purity Comparison — SEMI C1 StandardG1 → G5
GradePurity (GC)Metals (ICP)ParticlesWater (KF)Process Node
G2
≥99.9%
G3
≥99.99%
G4
≥99.999%
G5
≥99.9999%
All grades tested by ICP-MS (28 elements), in-line LPC (ISO Class 3 fill), and Karl Fischer titration. G5 = SEMI C1 Tier D. Full CoA per lot. Request CoA template →
Where this product is used
Application routes for Dimethyl Sulfoxide
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
- OLED organic light-emitting layer inkjet printing solvent
- Perovskite solar cell (PSC) precursor solution
- Organic thin-film transistor (OTFT) semiconductor layer
- Photoresist developer co-solvent (specialty resists)
Battery & energy storage
- Solid-state Li battery electrolyte research
- Li-S catholyte solvent
- MOF synthesis for battery electrode
Laboratory & analytical
- Compound library solubilization (10 mM stock)
- ¹H NMR (DMSO-d₆ reference δ 2.50 ppm)
- Cell cryopreservation (10% v/v)
- Protein refolding & crystallization
Industrial & other
- Transdermal drug delivery topical vehicle (FDA-approved)
- industrial paint stripping (low-toxicity)
- cable & wire insulation processing
Representative application cases
A practical evidence route for Dimethyl Sulfoxide
These are illustrative composite qualification scenarios, not named customer claims. Exact methods, limits and acceptance decisions belong to the customer’s controlled process.
European process qualification
A contamination-sensitive production team compares Dimethyl Sulfoxide (DMSO) with its incumbent material using the agreed water, metals, organic-impurity, residue and particle controls.
Evidence route
Supplier CoA and specification data are evaluated alongside a representative process trial and incoming-control plan.
North American second-source review
A site qualifies Dimethyl Sulfoxide (DMSO) for supply resilience without changing its approved process or dispensing route.
Evidence route
The review connects sample identity, production-pack compatibility, analytical comparison and documented change communication.
Manufacturing advantage
A controlled route from purification to final filling
The supply route for Dimethyl Sulfoxide 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 L
Drums & production packs
For regular production consumption and controlled dispensing.
20 L200 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 Dimethyl Sulfoxide?
Send the application, current specification, critical limits, pack, destination and forecast so the response can be technically useful.