Molekula
4-Bromo-2-methoxybenzoic 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
4-Bromo-2-methoxybenzoic acid is an aromatic carboxylic acid derivative featuring a bromine substituent and a methoxy group, widely used as a key intermediate in pharmaceutical synthesis, agrochemical production, and organic electronics research. Its unique structure enables selective functionalization for APIs, pesticides, and conductive polymers. This compound has a CAS number of 72135-36-5, a molecular formula of C8H7BrO3, and a molecular weight of 231.04 g/mol. It is stable at ambient storage conditions but requires careful handling due to its **Danger** classification. Molekula supplies 4-Bromo-2-methoxybenzoic 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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.
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Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 72400420 |
| CAS Number | 72135-36-5 |
| IUPAC Name | 4-bromo-2-methoxybenzoic acid |
| Molecular Formula | C8H7BrO3 |
| Molecular Weight | 231.04 |
| Exact Mass | 229.9579 |
| SMILES | COC1=C(C=CC(=C1)Br)C(=O)O |
| InChIKey | CEZLPETXJOGAKX-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H7BrO3/c1-12-7-4-5(9)2-3-6(7)8(10)11/h2-4H,1H3,(H,10,11) |
| PubChem CID | 13450755 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 29189943 |
| Tariff Code | 2918999090 |
Safety & GHS
-
Toxic
GHS06
-
Health Hazard
GHS07
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- 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
- P307+311 IF exposed: Call a POISON CENTER or doctor/physician
Documents
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
- 2-Methoxy-4-bromobenzoic acid
- Benzoic acid, 4-bromo-2-methoxy-
- CEZLPETXJ
- CEZLPETXJOGAKX-UHFFFAOYSA-N
Frequently asked questions
What is 4-Bromo-2-methoxybenzoic acid commonly used for?
It is primarily used as an intermediate in organic synthesis, including pharmaceuticals, agrochemicals, and fine chemicals, due to its reactive bromine and methoxy groups.
What is the chemical formula and molecular weight of 4-Bromo-2-methoxybenzoic acid?
The formula is **C₈H₇BrO₃**, and the molecular weight is **231.04 g/mol**.
How should 4-Bromo-2-methoxybenzoic acid be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture, heat, and incompatible substances.
What purity grades or specifications are available for this product?
Molekula supplies this product in **high-purity (98%+)** analytical or synthesis grade—contact us for exact specifications.
Can Molekula supply 4-Bromo-2-methoxybenzoic acid in bulk quantities?
Yes, we offer bulk quantities (minimum order quantities may apply)—please inquire for pricing and lead times.
What documentation is provided with an order of this chemical?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.