Molekula
2-Phenylbutyric 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
2-Phenylbutyric acid is a carboxylic acid used in pharmaceutical research and as an intermediate in organic synthesis. It appears as a white to off-white solid with a molecular weight of 164.20 g/mol, a CAS number of 90-27-7, and a molecular formula of C10H12O2. It is stable at ambient storage conditions and carries a warning signal word due to potential health hazards.
Molekula supplies 2-Phenylbutyric acid at ≥ 90% purity (Titration by NaOH) in 100 g packs, from £37.08 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 7 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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 — £30.90 per pack ex VAT · £37.08 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 Beige powder |
| Melting Point | 38 - 44°C |
| Purity (Titration by NaOH) | ≥ 90% |
| Water (KF) | ≤ 5.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 113 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 47.5 °C |
Source: PubChem CID 7012 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 90027169 |
| CAS Number | 90-27-7 |
| IUPAC Name | 2-phenylbutanoic acid |
| EC Number | 201-982-5 |
| Molecular Formula | CH3CH2CH(C6H5)COOH |
| Molecular Weight | 164.20 |
| Exact Mass | 164.0837 |
| SMILES | CCC(C1=CC=CC=C1)C(=O)O |
| InChIKey | OFJWFSNDPCAWDK-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H12O2/c1-2-9(10(11)12)8-6-4-3-5-7-8/h3-7,9H,2H2,1H3,(H,11,12) |
| PubChem CID | 7012 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29163946 |
| Tariff Code | 2916399090 |
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
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, 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.
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
- 2-Ethyl-2-phenylacetic Acid
- 2-Phenylbutanoic acid
- a-Ethylphenylacetic acid
- a-Phenylbutyrate
- alpha-Ethylphenylacetate
- alpha-Ethylphenylacetic acid
- alpha-Phenylbutyrate
- alpha-Phenylbutyric acid
- Benzeneacetic acid, alpha-ethyl-
- Butyric acid, 2-phenyl-
Frequently asked questions
What is 2-Phenylbutyric acid used for?
It is primarily used as an intermediate in the synthesis of pharmaceuticals and organic compounds, particularly as a building block for drugs such as the antitussive butamirate and the antiplatelet agent indobufen.
What is the chemical formula and molecular weight of 2-Phenylbutyric acid?
The formula is C10H12O2 and the molecular weight is 164.20 g/mol.
How should 2-Phenylbutyric acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 2-Phenylbutyric acid?
It is supplied with a purity of at least 90% (titration by NaOH); custom purity levels may be available upon request.
Can Molekula supply 2-Phenylbutyric acid in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of 2-Phenylbutyric acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Where can I buy 2-Phenylbutyric acid?
Directly from Molekula, which lists 2-Phenylbutyric acid in 100 g packs from £37.08 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.