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Chemical substance record

Metaldehyde

108-62-3C8H16O4176.212 g/mol

A member of the class of tetroxocanes that is 1,3,5,7-tetroxocane which carries four methyl groups at positions 2,4,6 and 8. It is a potent molluscicide and the active ingredient in most slug pellets used for crop protection. — ChEBI

Safety references

Safety documents & references

1 indexed references
JP · NITE

Government GHS classification

R03-C-058-MHLW · FY2021

View classification

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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 number108-62-3ChEBI ↗
Molecular formulaC8H16O4ChEBI ↗
Molar mass176.212 g/molChEBI ↗
Monoisotopic mass176.10486 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:81931ChEBI ↗

Cross-source molecular data

PubChem
Molar mass176.21 g/molPubChem ↗
Exact mass176.10485899 DaPubChem ↗
Computed XLogP1.1PubChem ↗
Topological polar surface area (Ų)36.9PubChem ↗
H-bond donors0PubChem ↗
H-bond acceptors4PubChem ↗
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
metaldehyde
2,4,6,8-tetramethyl-1,3,5,7-tetroxocane
GKKDCARASOJPNG-UHFFFAOYSA-N
CC1OC(C)OC(C)OC(C)O1
InChI=1S/C8H16O4/c1-5-9-6(2)11-8(4)12-7(3)10-5/h5-8H,1-4H3

Names & synonyms

2,4,6,8-tetramethyl-1,3,5,7-tetroxocaneAntimiliceAriotoxBlitzemCekumetaCorry's Slug DeathDeadlineDefenderHalizanMetasonSlug-Tox

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

Roles recorded in ChEBI

fuelmolluscicide

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 · FY2021 source classification
2,4,6,8-Tetramethyl-1,3,5,7-tetraoxacyclooctane (synonym: Metaldehyde) · R03-C-058-MHLW

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
0.00567498 mol

Uses 176.212 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 · 8 atoms
54.53%
O
Oxygen · 4 atoms
36.32%
H
Hydrogen · 16 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:81931

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

NCBI PubChem · CID 61021 · 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.