Industrial chemicals · Taylor, TXTechnical Data Sheet
Ethyl Acetate ACS
ACS
- CAS number
- 141-78-6
- UN number
- UN1173
- Hazard class · packing group
- 3 · PG II
- Structure
Structure · PubChem - Grade
- ACS
- Signal word
- Danger
- Hazards
- Proper shipping name
- Ethyl acetate
Identity & Composition
- Product Name
- Ethyl Acetate ACS
- Alliance Code
- ethyl-acetate-acs
- Grade
- ACS
- Concentration
- —
- CAS Number
- 141-78-6PubChem
- Formula
- —PubChem
- Molecular Weight
- 88.11PubChem
- Product Type
- Pure substance
Specifications
| Test | Specification | Typical | Method | Source |
|---|---|---|---|---|
| Assay (CH3COOC2H5) | Min. 99.5% | 99.89% | Gas chromatography | Interpreted |
| Acetone | 0.005% | 0.005% | G.C. | Interpreted |
| Titrable acid | 0.0009 meq/g max | 0.00020 meq/g | — | Interpreted |
| Acetaldehyde | 0.005% | 0.0008% | G.C. | Interpreted |
| Color (APHA) | 10 max | 0 | — | Interpreted |
| Ethanol | 0.1% | 0.1% | G.C. | Interpreted |
| Identity | IR passes test | Passes test | IR | Interpreted |
| Methanol | 0.02% | 0.02% | G.C. | Interpreted |
| Methyl acetate | 0.02% | 0.02% | G.C. | Interpreted |
| Residue After Evaporation | 0.003% max | 0.00018% | — | Interpreted |
| Substances darkened by sulfuric acid | To pass test | Passes test | — | Interpreted |
| Water (H2O) | 0.2% max | 0.017% | Karl Fischer | Interpreted |
Values are reproduced from the current product reference. Source labels do not by themselves establish a supplier guarantee or a test result for your lot. Confirm applicable acceptance limits and request lot-specific documentation.
Available GradesSame CAS, alternate grades and concentrations
| Grade | Concentration | Typical Assay | SKU | TDS |
|---|---|---|---|---|
| This grade ACS | — | — | current | current |
| Technical | — | — | ethyl-acetate | 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.
Physical & Chemical Properties
| Property | Value | Source |
|---|---|---|
| Appearance | Colorless, volatile liquid with a characteristic ester-like odor | Adjudicated |
| Form | Liquid | Published reference |
| Odor | Fruity, ether-like (ester) odor | Adjudicated |
| Specific Gravity | 0.90 at 20 °C (water = 1) | Adjudicated |
| Density | 0.901-0.902 | Interpreted |
| Boiling Point | 77 °C (171 °F) at 760 mmHg | Adjudicated |
| Melting Point | -84 to -83 °C (-119 to -117 °F) | Adjudicated |
| Flash Point | -4 °C (24–25 °F), closed cup | Adjudicated |
| Vapor Pressure | 97 hPa (73 mmHg) at 20 °C | Adjudicated |
| Vapor Density | 3.0 (air = 1) | Adjudicated |
| Solubility (water) | About 80 g/L in water at 20 °C (8%) | Adjudicated |
| Refractive Index (nD 20) | 1.36860 - 1.37360 | Interpreted |
| Viscosity | 0.45 mPa·s at 20 °C | Adjudicated |
Polar solvent — purity vs. intended end-use (electronics, pharma, general industrial) is the dominant grade consideration. See application guidance for grade selection.
Materials of Construction
| Material | Rating | Conditions | Source |
|---|---|---|---|
| Fluorinated polyethylene (fluorinated poly bottle) | Compatible | Ethyl acetate as packaged by the manufacturer, ACS assay by GC min 99.5% | mgscientific.com |
| Polyethylene (poly pail with Rieke spout) | Compatible | Ethyl acetate as packaged by the manufacturer, ACS assay by GC min 99.5% | mgscientific.com |
| Metal drum (alloy not specified by the source) | Compatible | Ethyl acetate as packaged by the manufacturer, ACS assay by GC min 99.5% | mgscientific.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.
Regulatory & Transport
DOT / 49 CFR
- UN Number
- UN117349 CFR 172.101
- Hazard Class
- 3Adjudicated
- Packing Group
- IIAdjudicated
- Proper Shipping Name
- Ethyl acetateAdjudicated
GHS / OSHA HCS 2024
- Signal Word
- DangerAdjudicated
- H-Codes (Hazard Statements)
- H225, H319, H336, EUH066ECHA C&L Inventory
- P-Codes (Precautionary Statements)
- P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P312, P337+P313, P370+P378, P403+P233, P403+P235, P405, P501ECHA C&L Inventory
Occupational Exposure Limits
- OSHA PEL (29 CFR 1910.1000)
- 400 ppm TWAOSHA 29 CFR 1910.1000
- ACGIH TLV
- 400 ppm TWAAdjudicated
- NIOSH REL
- 400 ppm TWANIOSH Pocket Guide
- NIOSH IDLH
- 2000 ppmNIOSH Pocket Guide
Transport descriptions reflect 49 CFR 172.101 lookup at time of publication. Sourced data: NIOSH Pocket Guide for REL/IDLH, OSHA Z-Tables for PEL. Always verify against the latest regulatory text before shipment-critical decisions.
Health & Fire Hazard
Acute Toxicology
- LD₅₀ Oral (rat)
- 5,620 mg/kgAdjudicated
- LD₅₀ Dermal (rabbit)
- > 18,000 mg/kgAdjudicated
- LC₅₀ Inhalation (rat, 4 h)
- 4,000 ppmAdjudicated
Acute toxicology values from SDS Section 11 or NIOSH RTECS.
Supplier Qualification Packet
One zipped download containing the TDS, SDS, latest lot COA (when available), and a fresh Letter of Continuing Guaranty for Ethyl Acetate ACS. Every file included is SHA-256 hashed and listed in a manifest your QA team can audit.
Catalog EquivalentsCross-reference vs major chemical suppliers
Sigma-Aldrich
| SKU | Grade | Conc. | Match | Notes |
|---|---|---|---|---|
| 270989 | ACS Reagent | 99.5% | Unverified candidate | ACS Reagent ≥99.5% |
Cross-references are informational. Confirm against the manufacturer's current specification before substitution. Competitor trademarks are property of their respective owners.
Applications
- Used as a solventlaballey.com
- Used as a diluent, and present in glues, nail polish removers and similar consumer productslabdepotinc.com
- Laboratory use for column chromatography and extractionslabdepotinc.com
- Analytical reagent quality intended for analysisitwreagents.com
- Suitable for food and pharmaceutical applications (ACS grade material only)laballey.com
- Research applications and biological drug substances / dosage formslaballey.com
Applications are drawn from published manufacturer and supplier documentation; each is sourced. Suitability for a specific use is the buyer's to confirm.
Storage & Handling
- Recommended Storage
- Keep containers tightly closed in a cool, dry, well-ventilated flammables area away from heat, sparks, open flame and direct sunlight. Store locked up. Ground and bond containers when transferring.Adjudicated
- Handling Precautions
- Use chemical-resistant gloves and splash goggles. Bond and ground during transfer to prevent static accumulation. Eliminate ignition sources within vapor envelope.Class-level guidance — not product-specific; the SDS controls.
- Incompatibilities
- Strong oxidizing agents; strong acids and strong bases (hydrolysis); alkali metals.Adjudicated
- Shelf Life
- Consult Technical Services for product-specific shelf life
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.
Packaging & Logistics
Shipping Description (US DOT)
UN1173, Ethyl acetate, 3, PG II
Sourced from 49 CFR 172.101. Confirm against shipping documents and carrier requirements before tender.
Revision History
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
| Version | Date | Change | Trigger |
|---|---|---|---|
| 1.6 | 2026-10-13 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.5 | 2026-10-07 | Canonical data updated: 21 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.4 | 2026-09-30 | Canonical data updated: 4 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.3 | 2026-08-05 | Canonical data updated: 3 fields changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.2 | 2026-07-22 | Canonical data updated: 1 field changed via the provenance/adjudication pipeline.
| canonical_change |
| 1.1 | 2026-06-18 | Canonical data re-verified: 3 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.