Skip to content
Molekula

Molekula

2-Phenylbutyric acid

SKU 90027169 CAS 90-27-7 CH3CH2CH(C6H5)COOH MW 164.20 In stock Bulk quantities on request

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

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 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

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

Warning
  • GHS pictogram — Health Hazard 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

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-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?

Available in technical grade; 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.

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.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket