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Chemical substance record

Ethyl acetate

141-78-6C4H8O288.106 g/mol

The acetate ester formed between acetic acid and ethanol. — ChEBI

Safety references

Safety documents & references

2 indexed references
US · NIOSH

Occupational chemical safety guide

Ethyl acetate

Read official guide
JP · NITE

Government GHS classification

R01-B-086 · FY2019

View classification

Find a product-specific SDS

Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.

Identity & molecular properties

Source-linked values
CAS number141-78-6ChEBI ↗
Molecular formulaC4H8O2ChEBI ↗
Molar mass88.106 g/molChEBI ↗
Monoisotopic mass88.05243 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:27750ChEBI ↗

Cross-source molecular data

PubChem
Molar mass88.11 g/molPubChem ↗
Exact mass88.052429494 DaPubChem ↗
Computed XLogP0.7PubChem ↗
Topological polar surface area (Ų)26.3PubChem ↗
H-bond donors0PubChem ↗
H-bond acceptors2PubChem ↗
Rotatable bonds2PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

Copy any identifier
ethyl acetate
ethyl acetate
XEKOWRVHYACXOJ-UHFFFAOYSA-N
CCOC(C)=O
InChI=1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3

Classification & relationships

ChEBI ontology

Roles recorded in ChEBI

metabolitepolar aprotic solventSaccharomyces cerevisiae metaboliteEC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Safety classification · Japan

NITE / Japanese government
Japan · FY2019 source classification
Ethyl acetate · R01-B-086
EndpointReported classification
Explosives*
Flammable gases (including chemically unstable gases)*
Aerosols*
Oxidizing gases*
Gases under pressure*
Flammable liquidsCategory 2

Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.

Read the original NITE classification

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.01135 mol

Uses 88.106 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
C
Carbon · 4 atoms
54.53%
O
Oxygen · 2 atoms
36.32%
H
Hydrogen · 8 atoms
9.15%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:27750

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 8857 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.