2,4-Dichloro-5-hydroxyphenoxyacetic acid

Name: 2,4-Dichloro-5-hydroxyphenoxyacetic acid
Brand: Vaqora Chemicals
SKU: VQ-049998

About 2,4-Dichloro-5-hydroxyphenoxyacetic acid

Listed under CAS 2639-79-4, 2,4-Dichloro-5-hydroxyphenoxyacetic acid is a metabolite / degradant standard available from Vaqora Chemicals. The compound has the formula C8H6Cl2O4, corresponding to a molecular weight of 237.03 g/mol. Systematically, it is named 2-(2,4-dichloro-5-hydroxyphenoxy)acetic acid. It is also known as 2,4-D-5-hydroxy.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Analytical teams use this compound to identify metabolites and degradants, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 2,4-Dichloro-5-hydroxyphenoxyacetic acid in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,4-Dichloro-5-hydroxyphenoxyacetic acid
Catalogue No.	VQ-049998
CAS Number	2639-79-4
IUPAC name	2-(2,4-dichloro-5-hydroxyphenoxy)acetic acid
Molecular formula	C₈H₆Cl₂O₄
Molecular weight	237.03 g/mol
Exact mass	235.9643
Grade	Reference Standard
HSN code	38229090
InChIKey	VHLPSHCAJUUTFL-UHFFFAOYSA-N
SMILES	C1=C(C(=CC(=C1OCC(=O)O)Cl)Cl)O
PubChem CID	69018092

Physical properties
Physical form	Solid
LogP (XLogP3)	2.3
H-bond donors / acceptors	2 / 4
TPSA	66.8 Å²

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H317May cause an allergic skin reaction
H318Causes serious eye damage
H332Harmful if inhaled
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P333 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2,4-Dichloro-5-hydroxyphenoxyacetic acid?

The CAS Registry Number of 2,4-Dichloro-5-hydroxyphenoxyacetic acid is 2639-79-4. It is also known as 2,4-D-5-hydroxy.

What is the molecular formula and molecular weight of 2,4-Dichloro-5-hydroxyphenoxyacetic acid?

2,4-Dichloro-5-hydroxyphenoxyacetic acid has the molecular formula C8H6Cl2O4 and a molecular weight of 237.03 g/mol. Its IUPAC name is 2-(2,4-dichloro-5-hydroxyphenoxy)acetic acid.

Which grade and pack sizes of 2,4-Dichloro-5-hydroxyphenoxyacetic acid can I order?

We supply 2,4-Dichloro-5-hydroxyphenoxyacetic acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,4-Dichloro-5-hydroxyphenoxyacetic acid?

Yes. Every lot of 2,4-Dichloro-5-hydroxyphenoxyacetic acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2,4-Dichloro-5-hydroxyphenoxyacetic acid be shipped internationally?

Yes. 2,4-Dichloro-5-hydroxyphenoxyacetic acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.