o-Dianisidine, 99%

Name: o-Dianisidine, 99%
Brand: Vaqora Chemicals
SKU: VQ-002677

About o-Dianisidine, 99%

Vaqora Chemicals supplies o-Dianisidine (Synthesis grade), an enzyme / protein reagent registered under CAS number 119-90-4 at a purity of 99%. With the molecular formula C14H16N2O2, it has a molar mass of 244.29 g/mol. Systematically, it is named 4-(4-amino-3-methoxyphenyl)-2-methoxyaniline. It is also known as 3,3'-Dimethoxybenzidine or Dianisidine.

In its supplied form it is a brown powder. Literature values give a melting point of 137 °C. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include enzymatic assays, enzyme inhibition studies, protein research and antioxidant additive. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 25 g, 100 g, 250 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Enzymatic assays
Enzyme inhibition studies
Protein research
Antioxidant additive

Industries

Specifications & identifiers

Chemical identifiers
Product name	o-Dianisidine, 99%
Catalogue No.	VQ-002677
CAS Number	119-90-4
IUPAC name	4-(4-amino-3-methoxyphenyl)-2-methoxyaniline
Molecular formula	C₁₄H₁₆N₂O₂
Molecular weight	244.29 g/mol
Exact mass	244.1212
Grade	Synthesis
Purity / assay	99%
HSN code	29222990
InChIKey	JRBJSXQPQWSCCF-UHFFFAOYSA-N
SMILES	COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)OC)N
PubChem CID	8411

Physical properties
Physical form	Powder
Appearance	Brown powder
Melting point	137 °C
LogP (XLogP3)	2.2
H-bond donors / acceptors	2 / 4
TPSA	70.5 Å²
Synonyms	3,3'-Dimethoxybenzidine, Dianisidine, Blue Base NB, Fast Blue B Base, Cellitazol B, Mitsui Blue B Base, ortho-Dianisidine, Azogene Fast Blue B, Diacel Navy DC, Neutrosel navy bn, Disperse Black 6, Blue BN Base

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H350May cause cancer

Precautionary statements: P203, P264, P270, P280, P301 + P317, P318, P330, 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

Other grades of CAS 119-90-4

AR

o-Dianisidine, GR 99%+

CAS: 119-90-4
Formula: C₁₄H₁₆N₂O₂
MW: 244.29 g/mol

VQ-002678

Frequently asked questions

What is the CAS number of o-Dianisidine, 99%?

The CAS Registry Number of o-Dianisidine, 99% is 119-90-4. It is also known as 3,3'-Dimethoxybenzidine, Dianisidine, Blue Base NB.

What is the molecular formula and molecular weight of o-Dianisidine, 99%?

o-Dianisidine, 99% has the molecular formula C14H16N2O2 and a molecular weight of 244.29 g/mol. Its IUPAC name is 4-(4-amino-3-methoxyphenyl)-2-methoxyaniline.

Which grade and pack sizes of o-Dianisidine, 99% can I order?

We supply o-Dianisidine, 99% in Synthesis (99%) grade, in 25 g, 100 g, 250 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with o-Dianisidine, 99%?

Yes. Every lot of o-Dianisidine, 99% 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, 99% be shipped internationally?

Yes. o-Dianisidine, 99% 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.