Chemical Byproduct Recycling › Acetic Acid
Sell Off-Spec, Surplus, and Waste Acetic Acid Instead of Paying for Disposal
Off-spec glacial acetic acid, excess drums and totes, and dilute or recovered acetic acid streams often go to neutralization or hazardous waste disposal when a large-volume buyer could use them. Waste Optima connects acetic acid generators with chemical manufacturers, recyclers, and industrial users who buy discounted material, from a few totes to recurring tanker loads.
We are a broker. We don't take title, haul, or treat material. We find the buyer and coordinate the deal, and the material ships from your site to the end user.
Acetic acid streams we evaluate
| Stream | Typical sources | Possible outlets |
|---|---|---|
| Off-spec or off-grade glacial acetic acid | Assay, color, or water-content misses; production upsets; contaminated or downgraded tank lots | Chemical manufacturers that can run technical grade, acetate and ester producers, export buyers |
| Surplus or excess packaged acetic acid | Overstock, discontinued lines, aged or near-expiry drums, totes, and isotanks | Distributors and end users who buy surplus chemicals at a discount |
| Recovered or crude acetic acid | Solvent recovery columns in terephthalic acid (PTA), cellulose acetate, acetic anhydride, and acetylation processes | Acid recovery and redistillation, chemical intermediates producers, industrial users |
| Dilute or aqueous acetic acid (weak acid) | Acetic acid and water mixtures, wash and process water streams, pharmaceutical and fine-chemical effluents | Concentration and recovery, wastewater treatment carbon source, pH adjustment where the chemistry fits |
| Spent or contaminated acetic acid | Acetic acid used as a reaction solvent or cleaning agent, carrying organics, metals, or salts | Recovery outlets that can handle the contaminants, or lower-cost alternatives to disposal |
Food-grade vinegar, vinegar powders, and acetate preservatives go through a different route. See surplus acidulants and preservatives. For unopened packaged chemicals of any kind, see sell surplus chemicals. For other spent solvents, see industrial solvent recycling.
Also known as
Buyers, SDSs, and waste profiles use different names for the same material. We evaluate acetic acid under any of these names and grades:
- Glacial acetic acid (GAA)
- Ethanoic acid
- Methanecarboxylic acid
- Ethylic acid
- HOAc / AcOH
- CH₃COOH
- CAS 64-19-7
- UN 2789 (glacial)
- UN 2790 (acetic acid solution)
- E260
- Technical-grade acetic acid
- Dilute acetic acid
- Aqueous acetic acid
- Weak acetic acid
- Recovered acetic acid
- Reclaimed acetic acid
- Crude acetic acid
- Spent acetic acid
- Out-of-spec acetic acid
- Overstock acetic acid
“Glacial” means water-free. Glacial acetic acid freezes into ice-like crystals at about 16.6 °C (62 °F), which is where the name comes from.
What determines value
- Assay. The acetic acid percentage drives almost everything. Glacial and high-concentration material can sell outright. Dilute streams depend on whether a buyer can recover them economically.
- Water content. Water is the most common diluent. Some buyers accept it; for others, a few percent rules the material out.
- Contaminants. Catalyst metals, halides, other acids, aldehydes, esters, and suspended solids limit which outlets can take a stream.
- Color and appearance. Off-color material is often still usable for industrial applications that don't need water-white product.
- Volume and consistency. Large-volume buyers prefer recurring streams with stable composition over one-time lots of variable quality.
- Packaging and location. Tanker, isotank, and railcar volumes travel further economically than drums and totes. Freight often decides who the buyer is.
Depending on these factors, a buyer may pay for the material, take it at no charge, or cost less than disposal. We tell you which it is before anything ships.
Hazardous waste status
Acetic acid is corrosive, and glacial acetic acid is also flammable, with a flash point of about 40 °C (104 °F). A stream headed for disposal can therefore be a characteristic hazardous waste. Whether a stream can be managed as a product rather than a waste depends on legitimate reuse: a real use, managed like a commodity, producing something of value. That determination belongs to the generator and their environmental advisors. We find the outlet; we don't reclassify material. See alternatives to hazardous waste disposal for how that works, including export rules.
How it works
- Send the stream. SDS, COA or analytical data, volume, packaging, and location.
- We screen it. We check assay, water, and contaminants against buyers we know, and tell you early if there isn't one.
- Buyers review it. Buyers review the data and often ask for a sample before making an offer.
- You decide. Pricing, freight, and paperwork are agreed before anything moves. Recurring streams often start with a trial load.
What to send us
Include as much of this as you have:
- SDS for the stream, or for the virgin product it came from
- COA or analytical data: acetic acid assay, water content, color, and any known contaminants
- Waste profile, if the stream is currently going to disposal
- Volume and frequency: one-time lot, or loads per week, month, or year
- Packaging: drums, totes, isotanks, tankers, or railcars
- Location: city and state, or ZIP code
- Storage condition: for glacial material, whether it has been kept heated or has frozen in the container
- Timing: when the material needs to move, especially for a tank or turnaround deadline
- Current disposal cost, if you're willing to share it
Buying acetic acid instead?
Looking for discounted off-spec or surplus acetic acid supply?
This page is for companies with acetic acid to move. If you buy surplus, off-spec, or recovered acetic acid, see surplus chemicals for buyers and join the preferred buyer list.
FAQs
Who buys off-spec or waste acetic acid?
Chemical manufacturers that can run technical-grade material, acetate and ester producers, acid recovery and redistillation operations, wastewater treatment plants that use acetic acid as a carbon source, and industrial users who need acid for pH control. Off-spec glacial acetic acid can also go to export buyers. Which outlet fits depends on assay, water content, and contaminants.
Will I get paid for my acetic acid?
Often, for glacial and high-concentration material. Dilute or contaminated streams may go at no charge or at a lower cost than disposal. We tell you which before anything ships.
What is the difference between glacial and dilute acetic acid?
Glacial acetic acid is essentially water-free, typically 99% or higher. Dilute or aqueous acetic acid is mixed with water. Glacial material has the most buyers; dilute streams need a buyer that can recover or use the acid at that concentration.
Our glacial acetic acid froze in the drums or totes. Can it still be sold?
Usually, yes. Glacial acetic acid freezes at about 16.6 °C (62 °F), and freezing alone doesn't damage it. Tell us how it has been stored so the buyer can plan for thawing and unloading.
Is waste acetic acid a hazardous waste?
It can be. Acetic acid is corrosive, and glacial acetic acid is flammable, so a stream sent for disposal may be a characteristic hazardous waste. Whether a specific stream can be managed as a product depends on legitimate reuse, and that determination belongs to the generator and their environmental advisors.
Does Waste Optima take possession of the material?
No. We're a broker and never take title. Material ships directly from your site to the buyer, on terms both sides agree.
Have acetic acid to move?
On the form, choose “I have material to sell” for off-spec or surplus product, or “I need disposal or recycling for a waste stream” for spent or byproduct acid. Attach the SDS and any COA or analytical data.
Submit Your Acetic Acid