Choosing a solvent for cleaning work comes down to three things: the soil on the part, the substrate underneath it and the rules your plant operates under. This guide walks through a five-variable selection framework, a soil-to-solvent family matrix and a scenario route from coupon test to bulk order, written for the formulators who build industrial cleaners and for buyers who need a documented MTBE chemical supply before they release a request for quotation.
No single solvent wins every cleaning job. Each of these five variables pulls in a different direction, and the work of selection is deciding which one your line can least afford to compromise on.
How completely the solvent lifts the specific oil, resin or flux on the part. Stronger solvency cuts dwell time but raises the risk of attacking seals, paint and polymer surfaces.
Fast evaporation shortens dry time and drag-out; it also concentrates vapour in the work zone. Slow evaporation needs longer flash-off and more oven capacity.
The flash point decides how the solvent is stored, earthed and moved. A very low flash point makes fire-rated containment part of the line cost, not an optional extra.
Elastomer seals, polycarbonate windows, coated aluminium and printed labels each have a tolerance limit. Test a coupon before committing a full drum to the bath.
Regional limits on volatile organic compounds decide whether a solvent can be used in a given plant at all. Check the permit for the site, not only the country.
The trade-offs are structural rather than a matter of grade quality. A solvent strong enough to strip cured resin usually needs tighter substrate control, and a solvent volatile enough for a fast dry line usually carries the strictest storage class. Write down which variable your operation cannot trade away, then shortlist families against it.
Methyl tert-Butyl Ether is produced by catalytic etherification of isobutylene and methanol, with batch-to-batch uniformity held by routine quality control. Every figure below comes from the current product specification.
| Product name | Methyl tert-Butyl Ether (MTBE; tert-Butyl methyl ether) |
| CAS number | 1634-04-4 |
| EINECS number | 216-653-1 |
| Molecular formula | C₅H₁₂O |
| Purity | ≥98.0% |
| Appearance | Colorless transparent liquid with a characteristic ether-like odor |
| Boiling point | 55.2 °C |
| Melting point | -109 °C |
| Vapor pressure | 33.3 kPa at 25 °C |
| Viscosity | Approx. 0.36 mPa·s at 20 °C |
| Flash point | -28 °C (closed cup) |
| Water solubility | Slightly soluble in water |
| Acidity | Neutral |
| Origin | Shandong, China |
| Packaging | Steel drums and ISO tanks |
MTBE is a versatile solvent, but not a universal one. This section separates the uses that stay viable from the use that carries the heaviest regulatory burden, so you can qualify the material against your own scenario before ordering.
Environmental regulation and groundwater contamination concerns have limited MTBE use in fuel in a number of markets. If your end use is octane boosting or oxygenation, confirm the national fuel specification before you plan a purchase.
Cleaning formulations, laboratory and industrial chromatography, extraction, specialty formulation additive and the production of high-purity isobutylene remain active uses, subject to the permits that apply to your site.
| Application | Fit assessment | What to settle before ordering |
|---|---|---|
| Industrial cleaner formulation | Workable as a co-solvent component in a blended cleaner | Blend flash point, label classification and the VOC ceiling that applies to your market |
| Extraction | Workable where the regional rules allow the material | Residue tolerance and the purity grade the downstream step can accept |
| Laboratory and industrial chromatography | Workable, usually at modest volume | Batch documentation and a drum pack rather than a full ISO tank |
| Isobutylene intermediate synthesis | Workable — a core listed use | Purity against catalyst sensitivity, plus sulfur and olefin limits |
| Specialty formulation additive | Case by case | Compatibility trial on the finished formulation before scale-up |
| Gasoline blending and octane boosting | Restricted or phased out in some regions | The fuel regulation in force at the destination before any commitment |
Start from what is actually on the part. The same family that lifts baked-on carbon in ten minutes will fog a painted panel in thirty seconds, so each row below pairs a recommendation with the caution that decides the trial.
| Soil type | Family to consider | Why it works | Caution before scale-up |
|---|---|---|---|
| Grease and general oils | Aromatic hydrocarbon, or an oxygenated solvent for a milder bath | Dissolves the fat phase quickly and drains cleanly from metal | Verify elastomer seals and painted surfaces; aromatic strength can swell or soften them |
| Cutting oil and machining fluid | Aliphatic hydrocarbon with a surfactant package | Lifts the oil film while keeping the bath mild on machined surfaces | Emulsified fluid leaves a residue that usually needs a water rinse stage |
| Resin and adhesive residue | Oxygenated solvent, with a stronger aromatic option for cured film | Penetrates the polymer and breaks the bond to the substrate | Soak the actual substrate first — plastics and printed surfaces are the usual casualties |
| Solder flux | Oxygenated blend with an alcohol or ester base | Carries away both the resin and the ionic activators | Ionic residue needs a rinse check; solvent alone may leave activators behind |
| Wax and protective coatings | Aliphatic hydrocarbon first, aromatic for stubborn film | Dissolves the wax layer without attacking the base metal | Slow-drying film can redeposit; allow flash-off and filtration time |
| Carbonised deposits | Aromatic or chlorinated family, with mechanical assist | Softens the baked layer so it can be lifted rather than scraped | Chlorinated options carry the heaviest compliance load; check containment and waste route |
Translate a real line into the specification you actually need to send out. Each row pairs the operational situation with the attribute that drives the purchase decision.
| Your scenario | Specify this | Starting point | Next step |
|---|---|---|---|
| Ambient metal degreasing, odour-sensitive workshop | Low-odour aliphatic carrier with a controlled flash point | Aliphatic hydrocarbon | Confirm volume and drum or ISO tank supply |
| Adhesive or coating strip on steel | High-solvency aromatic with a coupon test on the coated surface | Xylene-type aromatic | Run a coupon test, then price the pack size |
| Extraction or chromatography bench work | Purity grade, batch documentation and a manageable pack | MTBE ≥98.0% in drums | Request the written quotation with documentation |
| Isobutylene intermediate production | Purity against catalyst sensitivity, sulfur and olefin limits | MTBE ≥98.0% | Confirm ISO tank logistics and delivery window |
| Plant under a VOC or solvent permit cap | The permitted compound list first, product second | Compliance review before shortlisting | Send the permit limits for a written recommendation |
| Pilot trial before a production order | A small pack plus the full data set for the trial batch | Drum format | Scale to ISO tank once the trial closes |
The conversion path is a written quotation, not a checkout. Send the operating detail once and receive purity, packaging and delivery timing confirmed together, so the solvent basket arrives on one purchase order instead of three.
Keep adjacent product options together for a faster catalog comparison.
High-purity isooctane ≥99.5% (CAS 540-84-1): RON 100 octane reference for gasoline blending, GC standards and non-polar extraction. Bulk supply.
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Industrial-grade mixed xylenes (CAS 1330-20-7), ≥98.5% purity, for coatings, pesticide solvents, inks and chemical feedstock; drum/tank truck supply.
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Source high-purity methanol from professional methanol manufacturers. We provide bulk industrial-grade solvent for synthesis, fuel blending, and chemical ops.
View productthe specification lists a minimum purity of ≥98.0%, produced through catalytic etherification of isobutylene and methanol. the material is a colorless transparent liquid with a characteristic ether-like odor, with the molecular formula c₅h₁₂o and cas number 1634-04-4.
industrial cleaner formulations are among the listed applications, alongside extraction, chromatography and the production of high-purity isobutylene. because the flash point is -28 °c, any cleaner blend containing it must be designed, stored and labelled as a flammable product, and checked against the voc limits applying to the site.
bulk supply ships in steel drums and iso tanks. the packaging format is matched to order volume and the receiving arrangements at your plant, and both are confirmed in the written quotation.
use of mtbe in gasoline has been restricted or phased out in some regions because of environmental regulations and groundwater contamination concerns. non-fuel uses such as solvent work, extraction, chromatography and synthesis remain viable where local rules permit them.
with a flash point of -28 °c (closed cup) and a vapor pressure of 33.3 kpa at 25 °c, the product is volatile and flammable. storage, earthing, ventilation and personal protective equipment should follow the safety data sheet supplied with the batch.
send the application or soil, the substrate, the required volume and the destination region through the contact page or by email to china@yingtaichemical.com. purity, packaging format in steel drums or iso tanks, and delivery timing are confirmed in the written quotation.
