2-Phenylbutyric acid anhydride
Also known as: 2-Phenylbutanoic anhydride, 2-Phenylbutyric acid anhydride, 2-Phenylbutyric anhydride, 2-phenylbutanoyl 2-phenylbutanoate, Bis(α-ethylbenzeneacetic)anhydride, BIS(2-PHENYLBUTYRIC ACID) ANHYDRIDE, Benzeneacetic acid, α-ethyl-, anhydride
2-Phenylbutyric acid anhydride (CAS 1519-21-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H22O3 and a molecular weight of 310.38700 g/mol. Key properties include a boiling point of 420.1ºC at 760mmHg, a density of 1.092g/cm3 and a flash point of 191.1ºC. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1519-21-7
- Jingsj CID
- J-43271-3
- Molecular Formula
- C20H22O3
- Molecular Weight
- 310.38700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 420.1ºC at 760mmHg |
|---|---|
| Density | 1.092g/cm3 |
| Flash Point | 191.1ºC |
| Exact Mass | 310.15700 |
| PSA | 43.37000 |
| LogP | 4.44380 |
| Vapor Pressure | 2.89E-07mmHg at 25°C |
| Refractive Index | n20/D 1.531 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
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 2-Phenylbutyric acid anhydride?
The CAS number of 2-Phenylbutyric acid anhydride is 1519-21-7.
What are the molecular formula and molecular weight of 2-Phenylbutyric acid anhydride?
2-Phenylbutyric acid anhydride has molecular formula C20H22O3 and molecular weight 310.38700 g/mol.
Is 2-Phenylbutyric acid anhydride hazardous?
2-Phenylbutyric acid anhydride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2-Phenylbutyric acid anhydride?
For 2-Phenylbutyric acid anhydride, Upstream Products: 2-Phenylbutyryl chloride, 2-Phenylbutyric acid; Downstream Products: (S)-(+)-2-Phenylbutyric acid, (R)-(-)-2-Phenylbutyric acid, 2-Phenylbutyric acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Phenylbutyric acid anhydride (CAS 1519-21-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43271-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.