o-Dianisidine, GR 99%+

Name: o-Dianisidine, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-002678

About o-Dianisidine, GR 99%+

Listed under CAS 119-90-4, o-Dianisidine is an enzyme / protein reagent available from Vaqora Chemicals in AR grade at a purity of ≥99%. The compound has the formula C14H16N2O2, corresponding to a molecular weight of 244.29 g/mol. Its systematic (IUPAC) name is 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. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

Key uses span enzymatic assays, enzyme inhibition studies and protein research. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

Available in 10 g, 25 g, 1 kg and 4 x 25 kg packs, o-Dianisidine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Enzymatic assays
Enzyme inhibition studies
Protein research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	o-Dianisidine, GR 99%+
Catalogue No.	VQ-002678
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	AR
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

Synthesis

o-Dianisidine, 99%

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

VQ-002677

Frequently asked questions

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

The CAS Registry Number of o-Dianisidine, GR 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, GR 99%+?

o-Dianisidine, GR 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, GR 99%+ can I order?

We supply o-Dianisidine, GR 99%+ in AR (≥99%) grade, in 10 g, 25 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, GR 99%+?

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

Yes. o-Dianisidine, GR 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.