(R)-(-)-2-Phenylbutyric acid
Also known as: (2R)-2-phenylbutanoic acid, MFCD00063165, (-)-(R)-2-phenylbutyric acid, (R)-2-phenylbutanoic acid, (-)-2-phenylbutyric acid
(R)-(-)-2-Phenylbutyric acid (CAS 938-79-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O2 and a molecular weight of 164.20100 g/mol. Key properties include a boiling point of 102-104 °C0.4 mm Hg(lit.), a density of 1.055 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 938-79-4
- Jingsj CID
- J-30093-6
- Molecular Formula
- C10H12O2
- Molecular Weight
- 164.20100 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 102-104 °C0.4 mm Hg(lit.) |
|---|---|
| Density | 1.055 g/mL at 25 °C(lit.) |
| Flash Point | >110.0 °C |
| Exact Mass | 164.08400 |
| PSA | 37.30000 |
| LogP | 2.26480 |
| Refractive Index | n20/D 1.516 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of (R)-(-)-2-Phenylbutyric acid?
The CAS number of (R)-(-)-2-Phenylbutyric acid is 938-79-4.
What are the molecular formula and molecular weight of (R)-(-)-2-Phenylbutyric acid?
(R)-(-)-2-Phenylbutyric acid has molecular formula C10H12O2 and molecular weight 164.20100 g/mol.
Is (R)-(-)-2-Phenylbutyric acid hazardous?
(R)-(-)-2-Phenylbutyric acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of (R)-(-)-2-Phenylbutyric acid?
For (R)-(-)-2-Phenylbutyric acid, Upstream Products: 2-Phenylbutyric acid anhydride, 2-Phenylbutyric acid, Di-1-naphthylmethanol; Downstream Products: (R)-1-Phenylpropyl isocyanate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(R)-(-)-2-Phenylbutyric acid (CAS 938-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30093-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.