Molekula
3-(3-Hydroxyphenyl)propionic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3-(3-Hydroxyphenyl)propionic acid is an organic compound with a phenolic structure, commonly used as an intermediate in pharmaceutical synthesis, fragrance production, and as a building block for polymers. It appears as a white to off-white crystalline solid with mild phenolic odor. This chemical has a CAS number of 621-54-5, a molecular formula of C9H10O3, and a molecular weight of 166.17 g/mol. It is stable at ambient storage conditions and carries a signal word of "Warning" for safety classification. Molekula supplies 3-(3-Hydroxyphenyl)propionic 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
On backorder — expected to ship by 21 November 2026
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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5 g — £50.70 per pack ex VAT · £60.84 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 | Off-white to pale brown crystalline powder |
| Purity (HPLC) | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 73404415 |
| CAS Number | 621-54-5 |
| IUPAC Name | 3-(3-hydroxyphenyl)propanoic acid |
| EC Number | 210-692-8 |
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 |
| Exact Mass | 166.063 |
| SMILES | C1=CC(=CC(=C1)O)CCC(=O)O |
| InChIKey | QVWAEZJXDYOKEH-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H10O3/c10-8-3-1-2-7(6-8)4-5-9(11)12/h1-3,6,10H,4-5H2,(H,11,12) |
| PubChem CID | 91 |
| REACH Code | Y110 |
| HTS Code | 2918.29.7500 |
| Tariff Code | 2918290090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- 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
- 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
- P308+P313 IF exposed or concerned: Get medical advice/attention
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 3-(3-hydroxyphenyl)propanoic acid
- 3-(m-Hydroxyphenyl)propionic acid
- 3-Hydroxybenzenepropanoic acid
- Benzenepropanoic acid, 3-hydroxy-
- beta-(3-Hydroxyphenyl)propionic acid
- beta-(m-Hydroxyphenyl)propionic acid
- Dihydro-3-coumaric acid
- Dihydro-m-coumaric acid
- HYDROCINNAMIC ACID, m-HYDROXY-
- m-hydroxyphenylpropionic acid
Frequently asked questions
What is 3-(3-Hydroxyphenyl)propionic acid commonly used for?
It is primarily used as a building block in organic synthesis, including pharmaceutical intermediates, fragrances, and as a precursor for polymers and agrochemicals.
What is the molecular formula and molecular weight of this compound?
The molecular formula is **C9H10O3**, and the molecular weight is **166.17 g/mol**.
How should 3-(3-Hydroxyphenyl)propionic acid be stored?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible materials.
What purity grades are available for this product?
We supply this compound in **technical grade (98%+ purity)** and can provide higher-purity grades upon request—confirm availability with our sales team.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk packaging options (e.g., 1 kg, 5 kg, 25 kg drums) for large-scale applications—contact us for pricing and lead times.
What documentation is provided with each order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet. Additional documentation (e.g., batch-specific reports) 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.