Molekula
o-Dianisidine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
o-Dianisidine is a synthetic organic compound used primarily in the production of dyes, pigments, and as a chemical intermediate in research and industrial applications. It is a crystalline solid with the molecular formula C14H16N2O2 and a molecular weight of 244.29 g/mol. It is stored at ambient temperatures and is classified as a hazardous substance with a signal word of Danger. Molekula supplies o-Dianisidine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Light brown to brown powder |
| Assay/Purity | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 206 °C |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless crystals that turn a violet color on standing. |
| Melting Point | 137.5 °C |
| Water Solubility | 60 mg/L at 25 °C |
| log P (octanol/water) | 1.81 |
Source: PubChem CID 8411 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90036943 |
| CAS Number | 119-90-4 |
| IUPAC Name | 4-(4-amino-3-methoxyphenyl)-2-methoxyaniline |
| EC Number | 204-355-4 |
| Molecular Formula | C14H16N2O2 |
| Molecular Weight | 244.29 |
| Exact Mass | 244.1212 |
| SMILES | COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)OC)N |
| InChIKey | JRBJSXQPQWSCCF-UHFFFAOYSA-N |
| InChI | InChI=1S/C14H16N2O2/c1-17-13-7-9(3-5-11(13)15)10-4-6-12(16)14(8-10)18-2/h3-8H,15-16H2,1-2H3 |
| PubChem CID | 8411 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29222900 |
| Tariff Code | 2922290090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H350 May cause cancer
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Azogene Fast Blue B
- Blue Base NB
- Cellitazol B
- Diacel Navy DC
- Dianisidine
- Disperse Black 6
- Fast Blue B Base
- Mitsui Blue B Base
- Neutrosel navy bn
- ortho-Dianisidine
Frequently asked questions
What is o-Dianisidine commonly used for?
o-Dianisidine is primarily used as a chemical intermediate in the synthesis of dyes, pigments, and analytical reagents, particularly in azo dye production.
What is the chemical formula and molecular weight of o-Dianisidine?
The chemical formula is **C14H16N2O2**, and the molecular weight is **244.29 g/mol**.
How should o-Dianisidine be stored?
Store o-Dianisidine at **ambient temperature** in a cool, dry place, away from incompatible substances and sources of ignition.
What grades or purity levels of o-Dianisidine does Molekula supply?
Molekula supplies **technical-grade o-Dianisidine** with purity levels typically ≥98%, suitable for industrial applications.
Can Molekula supply o-Dianisidine in bulk quantities?
Yes, Molekula can supply o-Dianisidine in bulk, with quantities tailored to your production needs—contact our sales team for details.
What documentation comes with an order of o-Dianisidine?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **commercial invoice** for compliance and safety.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.