Technical Data Sheet
Technical · 50%
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (CH3COOH) | 49.5 - 50.5 % | 50.0 % | — | Commercial practice |
| Chlorides | 0.50 PPM max | 0.10 PPM | — | Derived by dilution |
| Formic acid | 0.025 WT% max | 0.0015 WT% | — | Derived by dilution |
| Heavy metals | 0.25 PPM max | 0.05 PPM | — | Derived by dilution |
| Non-volatile matter | 0.0015% mass max | 0.0002 % mass | — | Derived by dilution |
| Sulfates | 0.50 PPM max | 0.15 PPM | — | Derived by dilution |
| Iron | 0.25 PPM max | 0.025 PPM | — | Derived by dilution |
| Aldehydes, as acetaldehyde | MAX. 0.0025 WT% | 0.001 WT% | GC-FID | Interpreted |
| Acetic Anhydride | 0.005% max | 0.001 % | — | Derived by dilution |
| Arsenic | 0.1 ppm max | 0.0025 ppm | — | Derived by dilution |
| Lead | 0.26 mg/kg max | 0.005 mg/kg | — | Derived by dilution |
Specification values are guaranteed limits. Typical values are representative of production lots and are not guaranteed. Lot-specific certificates of analysis ship with every order.
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade Technical | 50% | — | current | current |
| Food Grade | 50% | — | 50-acetic-acid-food-grade | View TDS → |
Typical assay shown is the rolling-window mean from the sibling product's most recent lots. Grade selection drives downstream end-use — verify the sibling grade matches your specification before substitution.
One or more physical-property values are temporarily suppressed pending verification against vendor COA data. For complete properties refer to the Safety Data Sheet (SDS) or contact sales@alliancechemical.com.
| Property | Value | Source |
|---|---|---|
| Appearance | Clear colorless liquid with a vinegar odor (50% aqueous acetic acid solution). | Published reference |
| Form | Liquid | Published reference |
| Color | MAX. 5 | Derived by dilution |
| Odor | Pungent | Published reference |
| pH | Aqueous solution 1.0 molar = 2.4; 0.1 molar = 2.9; 0.01 molar = 3.4 | Published reference |
| Specific Gravity (20 °C) | 1.055 - 1.060 | Interpreted |
| Density | 1.058 g/mL at 20 °C (50% w/w aqueous acetic acid; CRC) | Published reference |
| Boiling Point | not characterized for the solution | Published reference |
| Melting Point | not characterized for the solution | Published reference |
| Vapor Pressure | 11.4 mmHg at 68 °F ; 20 mmHg at 86 °F (NTP, 1992) | Published reference |
| Solubility (water) | greater than or equal to 100 mg/mL at 73 °F (NTP, 1992) | Published reference |
| Material | Rating | Conditions | Source |
|---|---|---|---|
| aluminium | Not recommended | water-diluted acetic acid; the source restricts aluminium to chemically pure (glacial) acid and warns that corrosion of metals increases with water content | ingredi.com |
Compatibility is drawn from published manufacturer and supplier documentation for this product; each rating is sourced. Confirm against your specific duty cycle before equipment selection.
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: ECHA CLP Annex VI for harmonised classifications, NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for 50% Vinegar - Concentrated Industrial Strength. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
| SKU | Grade | Conc. | Match | Notes |
|---|---|---|---|---|
| 33209 | ACS | 99.8% | Exact | Fluka ACS grade |
| SKU | Grade | Conc. | Match | Notes |
|---|---|---|---|---|
| 320099 | ACS Reagent | 99.7% | Exact | ACS Reagent ≥99.7% |
Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
For full hazard, PPE, and emergency response guidance, refer to the Safety Data Sheet (SDS) for this product. The SDS controls in all cases where guidance differs.
UN2790, Acetic acid solution, not less than 50 percent but not more than 80 percent acid, by mass, 8, PG II
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.4 | 2026-08-05 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-08-04 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-22 | Canonical data updated: 2 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-07-17 | Canonical data re-verified: 6 fields updated against independent vendor SDSs, CLP Annex VI, 49 CFR, and OSHA HazCom 2024 (GHS classification, hazard/precautionary codes, signal word, physical properties as applicable).
| canonical_change |
| 1.0 | 2026-05-20 | Initial URL-first TDS published from canonical chemistry registry. | initial |
This Technical Data Sheet is provided for technical reference. The Safety Data Sheet (SDS) controls in all cases where guidance differs. Values reflect Alliance Chemical canonical data at time of generation; subsequent revisions are recorded in the Revision History above.