o-Anisidine
o-Anisidine (CAS: 90-04-0), a clear to yellow liquid with the chemical formula CH3OC6H4NH2, is a versatile aromatic amine. With a molecular weight of 123.15 g/mol, it serves as a crucial building block in organic synthesis. Its primary applications lie in the manufacturing of dyes, pigments, and pharmaceutical intermediates, making it a valuable reagent for chemical research and industrial processes. Available from Tech Serve Solutions with high purity.
- IUPAC
- 2-Aminoanisole,2-Methoxyaniline
- Synonyms
- 2-Methoxyaniline2-AminoanisoleAnisidine, o.-meta-Anisidineortho-AnisidineFast Red B Base
Dye and Pigment Synthesis
o-Anisidine is a key intermediate in the production of azo dyes and pigments. It reacts with diazonium salts to form colourful compounds used in textiles, inks, and coatings.
Pharmaceutical Intermediates
This compound is utilised in the synthesis of various active pharmaceutical ingredients (APIs). Its structure allows for further chemical modifications to create complex drug molecules.
Organic Synthesis Reagent
As a functionalised aniline derivative, o-Anisidine is employed as a versatile building block in a wide range of organic chemical transformations and research.
| Molecular weight | 123.15 |
|---|---|
| Linear formula | CH3OC6H4NH2 |
| Assay | ≥99% |
| Boiling point | 225 °C(lit.) |
| Density | 1.092 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.574(lit.) |
| Melting point | 3-6 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H331Toxic if inhaled
- H341Suspected of causing genetic defects
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 100 °C / 212 °F |
| Transport (UN / ADR) | UN 2431 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-23/24/25-68 |
| Safety statements (S) | 53-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is o-Anisidine used for?
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o-Anisidine is primarily used as an intermediate in the synthesis of dyes, pigments, and pharmaceuticals, as well as a general reagent in organic synthesis.
What are the CAS number and chemical formula for o-Anisidine?
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The CAS number for o-Anisidine is 90-04-0, and its chemical formula is CH3OC6H4NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies o-Anisidine with a purity of ≥99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should o-Anisidine be handled safely?
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o-Anisidine is toxic if swallowed, in contact with skin, or if inhaled, and is suspected of causing genetic defects and cancer. Handle with extreme caution, wearing appropriate personal protective equipment including gloves, eyeshields, and a suitable respirator. Ensure good ventilation and avoid exposure.
Is o-Anisidine a controlled substance?
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The provided data does not indicate that o-Anisidine is a controlled substance.
How is o-Anisidine packed and exported?
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o-Anisidine is packed and exported according to international transport regulations, identified under UN 2431, Class 6.1, Packing Group III.
How can I request a sample or quote for o-Anisidine?
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Please contact our sales team or use the online request form on our website to obtain a sample or a quotation for o-Anisidine.
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