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Chemical substance record

Ethane

74-84-0C2H630.07 g/mol

An alkane comprising of two carbon atoms. — ChEBI

Safety references

Safety documents & references

1 indexed references
JP · NITE

Government GHS classification

1403 · FY2006

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 number74-84-0ChEBI ↗
Molecular formulaC2H6ChEBI ↗
Molar mass30.07 g/molChEBI ↗
Monoisotopic mass30.04695 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:42266ChEBI ↗

Cross-source molecular data

PubChem
Molar mass30.07 g/molPubChem ↗
Exact mass30.0469501914 DaPubChem ↗
Computed XLogP1.3PubChem ↗
Topological polar surface area (Ų)0PubChem ↗
H-bond donors0PubChem ↗
H-bond acceptors0PubChem ↗
Rotatable bonds0PubChem ↗

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
ethane
ethane
OTMSDBZUPAUEDD-UHFFFAOYSA-N
CC
InChI=1S/C2H6/c1-2/h1-2H3

Classification & relationships

ChEBI ontology

Roles recorded in ChEBI

antineoplastic agentplant metaboliterefrigerant

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 · FY2006 source classification
Ethane · 1403
EndpointReported classification
Flammable gases (including chemically unstable gases)Category 1
Gases under pressureCompressed gas or Refrigerated liquefied gas
Specific target organ toxicity - Single exposureCategory 3 (Narcotic effects)

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
0.0332557 mol

Uses 30.07 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 · 2 atoms
79.89%
H
Hydrogen · 6 atoms
20.11%

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:42266

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

NCBI PubChem · CID 6324 · 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.