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CAS 1689-84-5

CAS 1689-84-5 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 1689-84-5
CAS 1689-84-5PubChem CID 15531

Bromoxynil

3,5-dibromo-4-hydroxybenzonitrile is a dibromobenzene that is 2,6-dibromophenol substituted by a cyano group at position 4. It has a role as a herbicide, a xenobiotic and an environmental contaminant. It is a hydroxynitrile, a member of phenols and a dibromobenzene. It is functionally related to a 2,6-dibromophenol. It is a conjugate acid of a 3,5-dibromo-4-oxidobenzonitrile(1-). — ChEBI

IUPAC name
3,5-dibromo-4-hydroxybenzonitrile
Molecular formula
C7H3Br2NO
Molecular weight
276.91 g/mol
Exact mass
276.85609 Da
XLogP3
3.5
Topological polar surface area
44.0 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

BrominalBrominilBroxynilSabreBrominexLabuctrilPardnerToplan
16 more reported names
2,6-Dibromo-4-cyanophenolBrittoxBuctrilLabuctril 25Chipco buctrilME 4 BrominalNu-lawn weederOxytril MBromotrilCertrol BLitarol MBuctril industrialChipco crab-kleen4-Cyano-2,6-dibromophenolButilchorofosNovacorn
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 1689-84-5

1 total
No records found for this CAS number.

How CAS 1689-84-5 is used on this site

CAS 1689-84-5 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 1689-84-5 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.