Molekula
p-Anisaldehyde (4-Methoxybenzaldehyde)
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
p-Anisaldehyde, also known as 4-Methoxybenzaldehyde, is a versatile aromatic aldehyde used in fragrance, flavor, and pharmaceutical synthesis. It appears as a pale yellow liquid with a sweet, spicy aroma. CAS: 123-11-5, Molecular Formula: CH3OC6H4CHO, Molecular Weight: 136.15 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies p-Anisaldehyde 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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250 mL — £45.00 per pack ex VAT · £54.00 inc. VAT
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100 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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500 g — £77.70 per pack ex VAT · £93.24 inc. VAT
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 | Colorless to slight yellowish transparent liquid |
| Water | ≤1.0% |
| Assay GC | ≥95.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 116 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Oily liquid |
| Odour | Hawthorn odor |
| Melting Point | 0 °C |
| Boiling Point | 255 °C |
| Density | 1.1191 g/cm³ at 15 °C |
| Water Solubility | 4.29 g/L at 25 °C |
| Solubility (other solvents) | Miscible with ethanol, diethyl ether; very soluble in acetone, chloroform; soluble in benzene |
| Vapour Pressure | 3.29 × 10⁻² mmHg at 25 °C (extrapolated) |
| Refractive Index | 1.5730 |
| log P (octanol/water) | 1.76 |
Source: PubChem CID 31244 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 51572749 |
| CAS Number | 123-11-5 |
| IUPAC Name | 4-methoxybenzaldehyde |
| EC Number | 204-602-6 |
| Molecular Formula | CH3OC6H4CHO |
| Molecular Weight | 136.15 |
| Exact Mass | 136.0524 |
| SMILES | COC1=CC=C(C=C1)C=O |
| InChIKey | ZRSNZINYAWTAHE-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H8O2/c1-10-8-4-2-7(6-9)3-5-8/h2-6H,1H3 |
| PubChem CID | 31244 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29124926 |
| Tariff Code | 2912490090 |
Safety & GHS
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Serious Health Hazard
GHS08
Hazard statements
- H361 Suspected of damaging fertility or the unborn child
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P202 Do not handle until all safety precautions have been read and understood
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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
No alternate names recorded for this product.
Frequently asked questions
What is p-Anisaldehyde used for?
p-Anisaldehyde is used in the synthesis of pharmaceuticals, fragrances, and flavoring agents due to its aromatic properties.
What is the chemical formula and molecular weight of p-Anisaldehyde?
The formula is CH3OC6H4CHO and the molecular weight is 136.15 g/mol.
How should p-Anisaldehyde be stored?
It should be stored at ambient temperature, protected from light and moisture.
What grade of p-Anisaldehyde does Molekula supply?
Molekula supplies p-Anisaldehyde in technical grade; custom grades are available upon request.
Can Molekula supply p-Anisaldehyde in bulk?
Yes, Molekula can supply p-Anisaldehyde in bulk quantities; please contact sales for pricing and availability.
What documentation comes with a purchase of p-Anisaldehyde?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available 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.