4,5-Dichloro-2-nitroaniline

About 4,5-Dichloro-2-nitroaniline

4,5-Dichloro-2-nitroaniline is an impurity of Triclabendazole carrying the CAS registry number 6641-64-1. The compound has the formula C6H4Cl2N2O2, corresponding to a molecular weight of 207.01 g/mol. It is also known as 3,4-Dichloro-6-nitroaniline or Benzenamine, 4,5-dichloro-2-nitro-.

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 “Danger”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Triclabendazole to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Triclabendazole

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

Triclabendazole impurities

Specifications & identifiers

Chemical identifiers
Product name	4,5-Dichloro-2-nitroaniline
Catalogue No.	VQ-039175
CAS Number	6641-64-1
IUPAC name	4,5-dichloro-2-nitroaniline
Molecular formula	C₆H₄Cl₂N₂O₂
Molecular weight	207.01 g/mol
Exact mass	205.965
Grade	Reference Standard
HSN code	38229090
InChIKey	FSGTULQLEVAYRS-UHFFFAOYSA-N
SMILES	C1=C(C(=CC(=C1Cl)Cl)[N+](=O)[O-])N
PubChem CID	81149

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	1 / 3
TPSA	71.8 Å²
Synonyms	3,4-Dichloro-6-nitroaniline, Benzenamine, 4,5-dichloro-2-nitro-, 2-nitro-4,5-dichloroaniline, 1-Amino-4,5-dichloro-2-nitrobenzene, 4,5-dichloro-2-nitro-phenylamine, 4,5-dichloro-2-nitrophenylamine

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H302Harmful if swallowed
H310Fatal in contact with skin
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H330Fatal if inhaled
H332Harmful if inhaled
H335May cause respiratory irritation
H373May causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P262, P264, P264 + P265, P270, P271, P273, P280, P284, P301 + P316, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P317, P319, P320, P321, P330, P332 + P317, P337 + P317, P361 + P364

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 4,5-Dichloro-2-nitroaniline?

The CAS Registry Number of 4,5-Dichloro-2-nitroaniline is 6641-64-1. It is also known as 3,4-Dichloro-6-nitroaniline, Benzenamine, 4,5-dichloro-2-nitro-, 2-nitro-4,5-dichloroaniline.

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

4,5-Dichloro-2-nitroaniline has the molecular formula C6H4Cl2N2O2 and a molecular weight of 207.01 g/mol. Its IUPAC name is 4,5-dichloro-2-nitroaniline.

What is 4,5-Dichloro-2-nitroaniline used for?

4,5-Dichloro-2-nitroaniline is supplied as a characterised reference material related to Triclabendazole. 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 4,5-Dichloro-2-nitroaniline can I order?

We supply 4,5-Dichloro-2-nitroaniline 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 4,5-Dichloro-2-nitroaniline?

Yes. Every lot of 4,5-Dichloro-2-nitroaniline 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 4,5-Dichloro-2-nitroaniline be shipped internationally?

Yes. 4,5-Dichloro-2-nitroaniline 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.