Skip to content
[P]pubcas
Independent chemical reference Compare
Chemical substance record

Zirconyl chloride

7699-43-6Cl2OZr178.129 g/mol
Coordination CompoundChEBI source record

A zirconium coordination entity consisting of zirconium(IV) bound to oxygen via a double bond and to two chlorines. — ChEBI

Safety references

Safety documents & references

1 indexed references
JP · NITE

Government GHS classification

H27-B-074/C-119B_P · FY2015

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 number7699-43-6ChEBI ↗
Molecular formulaCl2OZrChEBI ↗
Molar mass178.129 g/molChEBI ↗
Monoisotopic mass175.83732 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:53479ChEBI ↗

Cross-source molecular data

PubChem
Molar mass178.12 g/molPubChem ↗
Exact mass175.837319 DaPubChem ↗

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
zirconyl chloride
dichloro(oxo)zirconium
IPCAPQRVQMIMAN-UHFFFAOYSA-L
[O]=[Zr]([Cl])[Cl]
InChI=1S/2ClH.O.Zr/h2*1H;;/q;;;+2/p-2

Names & synonyms

dichloro(oxo)zirconium

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

Classification & relationships

ChEBI ontology

Safety classification · Japan

NITE / Japanese government
Japan · FY2015 source classification
Zirconium oxychloride · H27-B-074/C-119B_P
EndpointReported classification
Specific target organ toxicity - Single exposureCategory 1 (nervous system, liver, blood system), Category 3 (respiratory tract irritation)
Hazardous to the aquatic environment (Acute)Category 3
Hazardous to the aquatic environment (Long-term)Category 3

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
0.00561391 mol

Uses 178.129 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
Zr
Zirconium · 1 atom
51.21%
Cl
Chlorine · 2 atoms
39.80%
O
Oxygen · 1 atom
8.98%

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:53479

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

NCBI PubChem · CID 173000778 · 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.