Molekula
o-Anisidine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
o-Anisidine is a primary aromatic amine used in the synthesis of dyes, pharmaceuticals, and rubber chemicals. It appears as a colorless to pale yellow liquid with a characteristic amine odor. CAS: 90-04-0, Molecular Formula: NH₂C₆H₄OCH₃, Molecular Weight: 123.15 g/mol. Store at ambient temperature. Hazard classification: Danger. Molekula supplies o-Anisidine 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — $47.20 per pack
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500 g — $85.70 per pack
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 yellow liquid |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 100 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Yellowish liquid; becomes brownish on exposure to air |
| Odour | Amine-like odor |
| Melting Point | 6.2 °C |
| Boiling Point | 224 °C |
| Density | 1.0923 g/cm³ at 20 °C |
| Water Solubility | 13 g/L at 25 °C |
| Solubility (other solvents) | Soluble in ethanol, ethyl ether, acetone, benzene |
| Vapour Pressure | 5 kPa at 20 °C |
| Refractive Index | 1.5715 |
| pKa | pKa = 4.53 |
| log P (octanol/water) | 1.18 |
Source: PubChem CID 7000 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 16531051 |
| CAS Number | 90-04-0 |
| IUPAC Name | 2-methoxyaniline |
| EC Number | 201-963-1 |
| Molecular Formula | NH2C6H4OCH3 |
| Molecular Weight | 123.15 |
| Exact Mass | 123.0684 |
| SMILES | COC1=CC=CC=C1N |
| InChIKey | VMPITZXILSNTON-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H9NO/c1-9-7-5-3-2-4-6(7)8/h2-5H,8H2,1H3 |
| PubChem CID | 7000 |
| UN Number | UN2431 |
| REACH Code | Y110 |
| HTS Code | 2922.29.03.00 |
| Tariff Code | 2922290090 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H331 Toxic if inhaled
- H341 Suspected of causing genetic defects
- H350 May cause cancer
- H371 May cause damage to organs
- H373 May cause damage to organs through prolonged or repeated exposure
- H401 Toxic to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+352 IF ON SKIN: Wash with soap and water
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- 1-Amino-2-methoxybenzene
- 2-Aminoanisole
- 2-Anisidine
- 2-Methoxyaniline
- 2-Methoxybenzenamine
- Benzenamine, 2-methoxy-
- o-Aminoanisole
- o-Anisylamine
- o-Methoxyaniline
- Ortho-anisidine
Frequently asked questions
What is o-Anisidine used for?
o-Anisidine is primarily used in the synthesis of dyes, pigments, and pharmaceuticals, particularly as an intermediate in the production of azo dyes.
What is the chemical formula and molecular weight of o-Anisidine?
The chemical formula is NH2C6H4OCH3 and the molecular weight is 123.15 g/mol.
How should o-Anisidine be stored?
o-Anisidine should be stored at ambient temperature, away from light and incompatible materials, and kept in a tightly closed container.
What grade of o-Anisidine does Molekula supply?
Molekula supplies o-Anisidine in technical grade; custom grades are available upon request.
Can Molekula supply o-Anisidine in bulk?
Yes, Molekula can supply o-Anisidine in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of o-Anisidine?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.