Molekula
p-Anisic acid
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-Anisic acid is a white crystalline solid used in pharmaceuticals, fragrances, and organic synthesis. It is also employed as a flavoring agent and flavor adjuvant, and as a versatile building block for organic synthesis. It serves as an intermediate in the production of dyes, antioxidants, and medicinal compounds. Available in powder form with a purity of ≥98%, it has a molecular weight of 152.15 g/mol, a CAS number of 100-09-4, and is stable at ambient storage conditions. Molekula supplies p-Anisic acid 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.
-
100 g — £26.40 per pack ex VAT · £31.68 inc. VAT
-
500 g — £66.50 per pack ex VAT · £79.80 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 | White to off-white powder |
| Loss on Drying | ≤0.5% |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 185 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 185 °C |
| Boiling Point | 276.5 °C |
| Solubility (other solvents) | Soluble in boiling water, organic solvents |
| Vapour Pressure | 0.0015 mmHg |
| pKa | pKa = 4.47 (at 25 °C) |
Source: PubChem CID 7478 (DrugBank, Joint FAO/WHO Expert Committee on Food Additives (JECFA), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 13899923 |
| CAS Number | 100-09-4 |
| IUPAC Name | 4-methoxybenzoic acid |
| EC Number | 202-818-5 |
| Molecular Formula | CH3OC6H4COOH |
| Molecular Weight | 152.15 |
| Exact Mass | 152.0473 |
| SMILES | COC1=CC=C(C=C1)C(=O)O |
| InChIKey | ZEYHEAKUIGZSGI-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H8O3/c1-11-7-4-2-6(3-5-7)8(9)10/h2-5H,1H3,(H,9,10) |
| PubChem CID | 7478 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3822.90.0000 |
| Tariff Code | 2918999035 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- 4-Anisic acid
- 4-METHOXYBENZOIC ACID
- ANISIC ACID
- ANISIC ACID, PARA
- Benzoic acid, 4-methoxy-
- Draconic acid
- FEMA NO. 3945
- Methoxybenzoic acid
- p-Methoxybenzoic acid
- para-anisic acid
Frequently asked questions
What is p-Anisic acid used for?
p-Anisic acid is used in the synthesis of pharmaceuticals, fragrances, and as an intermediate in organic synthesis.
What is the chemical formula and molecular weight of p-Anisic acid?
The formula is CH3OC6H4COOH and the molecular weight is 152.15 g/mol.
How should p-Anisic acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of p-Anisic acid does Molekula supply?
Molekula supplies p-Anisic acid in analytical grade.
Can Molekula supply p-Anisic acid in bulk quantities?
Yes, Molekula can supply p-Anisic acid in bulk quantities upon request.
What documentation comes with a purchase of p-Anisic acid?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.