3,4-Dichlorobenzoic acid

Name: 3,4-Dichlorobenzoic acid
Brand: Vaqora Chemicals
SKU: VQ-037873

About 3,4-Dichlorobenzoic acid

3,4-Dichlorobenzoic acid (CAS 51-44-5) is a process intermediate or related compound of Lamotrigine offered by Vaqora Chemicals. With the molecular formula C7H4Cl2O2, it has a molar mass of 191.01 g/mol. Common synonyms include Benzoic acid, 3,4-dichloro- and Benzoic acid,4-dichloro-.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Lamotrigine, tracking process-related impurities and validating analytical methods. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 3,4-Dichlorobenzoic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Industries

Related to Lamotrigine

View every impurity, metabolite and intermediate we list for Lamotrigine.

Lamotrigine impurities

Specifications & identifiers

Chemical identifiers
Product name	3,4-Dichlorobenzoic acid
Catalogue No.	VQ-037873
CAS Number	51-44-5
IUPAC name	3,4-dichlorobenzoic acid
Molecular formula	C₇H₄Cl₂O₂
Molecular weight	191.01 g/mol
Exact mass	189.9588
InChIKey	VPHHJAOJUJHJKD-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1C(=O)O)Cl)Cl
PubChem CID	5817

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + 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 3,4-Dichlorobenzoic acid?

The CAS Registry Number of 3,4-Dichlorobenzoic acid is 51-44-5. It is also known as Benzoic acid, 3,4-dichloro-, Benzoic acid,4-dichloro-.

What is the molecular formula and molecular weight of 3,4-Dichlorobenzoic acid?

3,4-Dichlorobenzoic acid has the molecular formula C7H4Cl2O2 and a molecular weight of 191.01 g/mol. Its IUPAC name is 3,4-dichlorobenzoic acid.

What is 3,4-Dichlorobenzoic acid used for?

3,4-Dichlorobenzoic acid is supplied as a characterised reference material related to Lamotrigine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 3,4-Dichlorobenzoic acid can I order?

We supply 3,4-Dichlorobenzoic acid, 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 3,4-Dichlorobenzoic acid?

Yes. Every lot of 3,4-Dichlorobenzoic 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 3,4-Dichlorobenzoic acid be shipped internationally?

Yes. 3,4-Dichlorobenzoic 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.