o-Dianisidine dihydrochloride, ≥98%

Name: o-Dianisidine dihydrochloride, ≥98%
Brand: Vaqora Chemicals
SKU: VQ-009518

About o-Dianisidine dihydrochloride, ≥98%

Vaqora Chemicals supplies o-Dianisidine dihydrochloride, an amine building block registered under CAS number 20325-40-0 at a purity of ≥98%. With the molecular formula C14H18Cl2N2O2, it has a molar mass of 317.2 g/mol. The IUPAC name is 4-(4-amino-3-methoxyphenyl)-2-methoxyaniline. Dihydrochloride. Alternative names: 3,3'-Dimethoxybenzidine dihydrochloride and Fast Blue B·2HCl.

The material typically appears as white to grey to red powder or crystals. Reported physical data include a melting point of 269 °C(dec.). Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer o-Dianisidine dihydrochloride in 1 g, 5 g and 25 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	o-Dianisidine dihydrochloride, ≥98%
Catalogue No.	VQ-009518
CAS Number	20325-40-0
IUPAC name	4-(4-amino-3-methoxyphenyl)-2-methoxyaniline;dihydrochloride
Molecular formula	C₁₄H₁₈Cl₂N₂O₂
Molecular weight	317.2 g/mol
Exact mass	316.0745
Purity / assay	≥98%
HSN code	29332990
InChIKey	UXTIAFYTYOEQHV-UHFFFAOYSA-N
SMILES	COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)OC)N.Cl.Cl
PubChem CID	62311

Physical properties
Physical form	Crystalline
Appearance	White to grey to red powder or crystals
Melting point	269 °C(dec.)
H-bond donors / acceptors	4 / 4
TPSA	70.5 Å²
Synonyms	4,4'-Diamino-3,3'-dimethoxybiphenyl dihydrochloride, 3,3'-Dimethoxybenzidine dihydrochloride, Fast Blue B·2HCl, dianisidine dihydrochloride, Benzidine, 3,3'-dimethoxy-, dihydrochloride, [1,1'-Biphenyl]-4,4'-diamine, 3,3'-dimethoxy-, dihydrochloride, 3,3'-Dimethoxy-4,4'-diaminobiphenyl dihydrochloride, 3,3'-Dimethoxybiphenyl-4,4'-ylenediammonium dichloride, 3,3'-Dimethoxy-(1,1-biphenyl)-4,4'-diamine dihydrochloride, (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dimethoxy-, dihydrochloride, (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dimethoxy-, hydrochloride (1:2), [1,1'-Biphenyl]-4,4'-diamine, 3,3'-dimethoxy-, hydrochloride (1:2)

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H350May cause cancer

Precautionary statements: P203, P260, P264, P264 + P265, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P318, P321, P330, P363, 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 o-Dianisidine dihydrochloride, ≥98%?

The CAS Registry Number of o-Dianisidine dihydrochloride, ≥98% is 20325-40-0. It is also known as 4,4'-Diamino-3,3'-dimethoxybiphenyl dihydrochloride, 3,3'-Dimethoxybenzidine dihydrochloride, Fast Blue B·2HCl.

What is the molecular formula and molecular weight of o-Dianisidine dihydrochloride, ≥98%?

o-Dianisidine dihydrochloride, ≥98% has the molecular formula C14H18Cl2N2O2 and a molecular weight of 317.2 g/mol.

Which grade and pack sizes of o-Dianisidine dihydrochloride, ≥98% can I order?

We supply o-Dianisidine dihydrochloride, ≥98% in (≥98%) grade, in 1 g, 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with o-Dianisidine dihydrochloride, ≥98%?

Yes. Every lot of o-Dianisidine dihydrochloride, ≥98% 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 o-Dianisidine dihydrochloride, ≥98% be shipped internationally?

Yes. o-Dianisidine dihydrochloride, ≥98% 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.