m-Anisaldehyde
m-Anisaldehyde (CAS 591-31-1), with the molecular formula CH3OC6H4CHO and a molar mass of 136.15 g/mol, is a key organic building block and carbonyl compound. It is primarily utilised in chemical synthesis for the preparation of more complex molecules. This aldehyde, also known as 3-methoxybenzaldehyde, serves as a valuable intermediate in various research and development applications within the fine chemical and pharmaceutical sectors.
- IUPAC
- 3-Methoxybenzaldehyde
- Synonyms
- 3-Methoxybenzaldehyde

Organic Synthesis Intermediate
m-Anisaldehyde is a versatile reagent in organic synthesis, employed in the construction of diverse molecular architectures. Its aldehyde functionality readily participates in reactions such as Wittig, Grignard, and condensation reactions, making it a valuable starting material for novel compounds.
Pharmaceutical Research
As a building block, 3-methoxybenzaldehyde finds application in the synthesis pathways for potential pharmaceutical agents. Its structure can be incorporated into drug candidates targeting various therapeutic areas during early-stage research and development.
Fine Chemical Production
This compound is utilized in the fine chemical industry for the production of specialised chemicals and intermediates. Its reliable assay and consistent quality make it suitable for multi-step synthesis processes.
| Molecular weight | 136.15 |
|---|---|
| Linear formula | CH3OC6H4CHO |
| Assay | ≥97.0% (GC) |
| Grade | purum |
| Boiling point | 100-103 °C/10 mmHg143 °C/50 mmHg(lit.) |
| Density | 1.117 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.553(lit.)n20/D 1.553 |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filtern20/D 1.553 |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38143 °C/50 mmHg(lit.) |
| Safety statements (S) | 26-36 |
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 m-Anisaldehyde used for?
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m-Anisaldehyde (CAS 591-31-1) is used as an intermediate in organic synthesis and in the research and development of pharmaceutical agents and fine chemicals.
What are the CAS number and formula for m-Anisaldehyde?
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The CAS number for m-Anisaldehyde is 591-31-1, and its molecular formula is CH3OC6H4CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies m-Anisaldehyde in purum grade with an assay of ≥97.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should m-Anisaldehyde be handled?
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m-Anisaldehyde is a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator.
Is m-Anisaldehyde a controlled substance?
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Based on the provided data, m-Anisaldehyde is not indicated as a controlled substance.
How is m-Anisaldehyde packed, shipped, and exported?
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m-Anisaldehyde is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a quote or sample for m-Anisaldehyde?
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To request a quote or sample for m-Anisaldehyde, please contact the Tech Serve Solutions sales team via our website or designated contact channels.
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