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Chemical substance record

Dichlorvos

62-73-7C4H7Cl2O4P220.976 g/mol

An alkenyl phosphate that is the 2,2-dichloroethenyl ester of dimethyl phosphate. — ChEBI

Safety references

Safety documents & references

2 indexed references
US · NIOSH

Occupational chemical safety guide

Dichlorvos

Read official guide
JP · NITE

Government GHS classification

R03-C-052-MHLW · FY2021

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 number62-73-7ChEBI ↗
Molecular formulaC4H7Cl2O4PChEBI ↗
Molar mass220.976 g/molChEBI ↗
Monoisotopic mass219.9459 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:34690ChEBI ↗

Cross-source molecular data

PubChem
Molar mass220.97 g/molPubChem ↗
Exact mass219.9459011 DaPubChem ↗
Computed XLogP1.4PubChem ↗
Topological polar surface area (Ų)44.8PubChem ↗
H-bond donors0PubChem ↗
H-bond acceptors4PubChem ↗
Rotatable bonds4PubChem ↗

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
dichlorvos
2,2-dichloroethenyl dimethyl phosphate
OEBRKCOSUFCWJD-UHFFFAOYSA-N
COP(=O)(OC)OC=C(Cl)Cl
InChI=1S/C4H7Cl2O4P/c1-8-11(7,9-2)10-3-4(5)6/h3H,1-2H3

Names & synonyms

2,2-dichloroethenyl dimethyl phosphate

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

Classification & relationships

ChEBI ontology

Roles recorded in ChEBI

antibacterial agentanthelminthic drugantifungal agentEC 3.1.1.8 (cholinesterase) inhibitorEC 3.1.1.7 (acetylcholinesterase) 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 · FY2021 source classification
Dimethyl 2,2-dichlorovinyl phosphate (synonym: DDVP) · R03-C-052-MHLW
EndpointReported classification
CarcinogenicityCategory 1B

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
0.00452538 mol

Uses 220.976 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
Cl
Chlorine · 2 atoms
32.09%
O
Oxygen · 4 atoms
28.96%
C
Carbon · 4 atoms
21.74%
P
Phosphorus · 1 atom
14.02%
H
Hydrogen · 7 atoms
3.19%

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:34690

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

NCBI PubChem · CID 3039 · 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.