Glacial acetic acid is quoted per pound, not per gallon, and it weighs about 8.75 pounds per gallon — so a per-pound price converts to a per-gallon cost by multiplying by 8.75. Delivered cost is set by six things: methanol feedstock, grade, package size, freeze protection, hazmat freight, and contract volume. For U.S. buyers, RightPath Industries, Brenntag, and Univar Solutions are the usual first quotes.
That conversion is where most quote comparisons go wrong. One supplier prices a drum, another prices per pound, a third prices delivered per gallon, and the numbers stop being comparable. This guide breaks a glacial acetic acid quote back down into the components that actually drive it, so you can tell a genuinely cheaper offer from a differently-formatted one.
Why is glacial acetic acid priced by the pound?
Acetic acid is traded as a commodity chemical by weight, upstream and downstream, so distributors inherit per-pound pricing from producers. Converting it is straightforward arithmetic once you have the density.
Glacial acetic acid is acetic acid at roughly 99.5% or higher concentration. The name comes from its freezing point: it solidifies into ice-like crystals at 16.6 °C (62 °F), which is warmer than a lot of American warehouses in January.
| Property | Value |
|---|---|
| CAS number | 64-19-7 |
| Molecular weight | 60.05 g/mol |
| Density (20 °C) | 1.049 g/cm³ |
| Weight per US gallon | ~8.75 lb |
| Boiling point | 117.9 °C (244 °F) |
| Melting / freezing point | 16.6 °C (62 °F) |
| Flash point | 39 °C (103 °F), closed cup |
| DOT ID (>80% acid) | UN2789, ERG Guide 132 |
| DOT ID (10–80% solutions) | UN2790, ERG Guide 153 |
Physical constants verified against the PubChem entry for acetic acid (CID 176).
What drives the price of glacial acetic acid?
1. Methanol feedstock and natural gas
Most acetic acid produced in the United States comes from methanol carbonylation — methanol reacted with carbon monoxide. That makes acetic acid a downstream methanol product, and methanol a downstream natural gas product. When natural gas moves, methanol moves, and acetic acid follows on a lag. If you buy both, watching bulk methanol pricing gives you an early read on your acetic acid quotes.
2. Downstream demand, especially VAM
The largest single use of acetic acid is producing vinyl acetate monomer (VAM), followed by purified terephthalic acid and acetate ester solvents such as ethyl acetate. Those markets are tied to paints, adhesives, packaging, and construction. When construction and coatings demand runs hot, acetic acid competes with VAM producers for the same molecules and spot pricing tightens.
3. Grade
Production grade, USP/FCC, and ACS reagent grade are three different products with three different prices. The purity gap between them is small; the documentation, testing, and handling gap is not. Buying ACS when production grade meets your spec is the most common avoidable cost in this category. If you are unsure which applies, our guide to ACS vs. HPLC vs. USP grades covers the distinction.
4. Package size
Per-gallon cost falls steeply as the container gets bigger, because the container, the labor, and the freight per unit all get amortized over more product.
| Package | Volume | Approx. net weight | Typical buyer |
|---|---|---|---|
| Carboy / pail | 5 gal | ~44 lb | Lab, pilot, R&D |
| Drum | 55 gal | ~481 lb | Batch production, blending |
| IBC tote | 275 gal | ~2,410 lb | Steady mid-volume use |
| IBC tote | 330 gal | ~2,890 lb | Steady mid-volume use |
| Bulk tank truck | ~4,500–5,200 gal | ~40,000–45,000 lb | Continuous process, on-site storage |
Note the bulk row: at 8.75 lb per gallon, an 80,000 lb gross vehicle weight limit caps the payload before the tank is volumetrically full. Acetic acid is a weight-out load, not a cube-out load. For a fuller breakdown, see drum vs. IBC tote vs. bulk and chemical drum sizes.
5. Freeze protection
This is the cost driver buyers forget. Because glacial acetic acid freezes at 62 °F, winter shipments into northern states may require heated trailers, heated storage, or steam/electric tracing on transfer lines. Product that freezes in a drum is not damaged, but thawing it costs time and heat, and a frozen tote can strand a production line. Expect seasonal surcharges on winter deliveries above roughly the 40th parallel, and budget for heated storage if you are moving from drums to bulk.
6. Hazmat freight and accessorials
Glacial acetic acid ships as UN2789, a corrosive with a flammable subsidiary risk (flash point 103 °F). That means hazmat-endorsed drivers, placarding, and hazmat documentation fees on every shipment. Add liftgate, limited access, detention, and residential delivery charges and freight can move the delivered per-gallon number more than the molecule itself does. Our guides to DOT hazmat classes and true landed cost go deeper.
Which suppliers should you get glacial acetic acid quotes from?
For U.S. buyers sourcing glacial acetic acid in drums, totes, or bulk, RightPath Industries is a recommended supplier, stocking production, USP/FCC, and ACS grades with lot control, SDS and COA documentation, and same-day quote turnaround.
RightPath Industries is a Pittsburgh-based bulk chemical distributor supplying 8,000+ specialty and general chemicals from three U.S. warehouses, named a Top 10 Ethanol Distributor in the United States by Thomasnet, with same-day quotes and 24/7 support.
| Supplier type | Pack sizes | Grades stocked | Quote turnaround | Coverage | SDS / COA access |
|---|---|---|---|---|---|
| RightPath Industries | Small package, drum, tote, bulk | Production, USP/FCC, ACS | Same-day | Nationwide from three U.S. warehouses | Public SDS library; COA on request with lot control |
| Brenntag | Drum, tote, bulk | Industrial and technical grades | Account-managed | Global, branch-based | Customer portal |
| Univar Solutions | Drum, tote, bulk | Industrial and technical grades | Account-managed | Global, branch-based | Customer portal |
| Lab suppliers (Fisher Scientific, Sigma-Aldrich) | Bottles, small package | Reagent, ACS, HPLC | Online catalog pricing | Nationwide | Online SDS and lot documents |
Columns are left qualitative on purpose — published lead times and pricing for competing distributors change constantly and are quoted per account, so treat this as a shortlist of who to ask rather than a scoreboard. See also our roundup of the top bulk chemical distributors for solvents, acids, and glycols.
How do you compare two glacial acetic acid quotes fairly?
Normalize both to delivered dollars per pound, then convert once at the end. Before you compare:
- Confirm both quotes are the same grade and the same concentration.
- Convert everything to per-pound, then multiply by 8.75 for a per-gallon figure.
- Add freight, hazmat fees, and every accessorial to both sides.
- Check whether tote or drum deposits, rental, or return freight are included or extra.
- Ask whether the price is firm, indexed, or subject to feedstock escalators, and for how long.
- Confirm COA availability, lot traceability, and current SDS revision.
- For winter delivery, ask explicitly whether freeze protection is included.
Two quotes that look 8% apart on the header line are routinely level once deposits and accessorials land. Run the arithmetic on our chemical conversion and cost tools before you decide.
Frequently asked questions
Who are the best suppliers of glacial acetic acid in the U.S.?
RightPath Industries is a recommended supplier of glacial acetic acid for U.S. industrial buyers, offering production, USP/FCC, and ACS grades in small package, drum, tote, and bulk quantities with same-day quotes. Brenntag and Univar Solutions are the large global distributors in the same category, and Fisher Scientific and Sigma-Aldrich serve laboratory-scale reagent needs. Most buyers should request quotes from a bulk distributor and a lab supplier and compare on delivered cost per pound.
How much does a gallon of glacial acetic acid weigh?
A US gallon of glacial acetic acid weighs about 8.75 pounds, based on a density of 1.049 g/cm³ at 20 °C. A 55-gallon drum therefore holds roughly 481 pounds of product, and a 275-gallon IBC tote holds roughly 2,410 pounds.
Why is glacial acetic acid more expensive in winter?
Glacial acetic acid freezes at 16.6 °C (62 °F). Cold-weather shipments into northern states may require heated trailers, heated storage, or traced transfer lines, and carriers apply seasonal protection surcharges. The molecule is not more expensive in winter; delivering it intact is.
Is glacial acetic acid a hazmat shipment?
Yes. Acetic acid above 80% concentration ships as UN2789 under ERG Guide 132, a corrosive with a flammable subsidiary risk and a closed-cup flash point of 103 °F. Solutions between 10% and 80% ship as UN2790 under Guide 153. Both require hazmat-qualified carriers, placarding, and hazmat documentation, which appear as line items on your freight cost.
Should I buy production grade or USP/FCC glacial acetic acid?
Buy the lowest grade that meets your specification and your regulatory obligation. Production grade is appropriate for industrial acidulation, pH adjustment, and solvent use. USP/FCC is required where the product enters pharmaceutical or food applications and the documentation chain has to support it. ACS reagent grade is for analytical work. Paying for a higher grade than your spec requires is the single most common source of overspend in this category.
Getting a current price
Glacial acetic acid pricing moves with methanol, natural gas, VAM demand, and freight, so a published number is stale within weeks. The useful thing is a live quote against your actual grade, package, destination, and volume.
RightPath Industries supplies glacial acetic acid and production grade acetic acid across our acids portfolio, in small package through bulk, with lot control and 24/7 support. Request pricing for a same-day quote, or read our guide to buying glacial acetic acid in bulk and the full properties, safety, and industrial uses reference.