1,3-Benzodioxole-5-acetic acid
Also known as: 3,4-(Methylenedioxy)phenylacetic acid, Homopiperonylic acid, Benzo-1,3-dioxole-5-acetic acid, (1,3-Benzodioxol-5-yl)acetic acid, 3,4-Methylenedioxyphenylacetic acid
1,3-Benzodioxole-5-acetic acid (CAS 2861-28-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H8O4 and a molecular weight of 180.157 g/mol. Key properties include a melting point of 125-129 °C(lit.), a boiling point of 340.6±11.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 142.4±12.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2861-28-1
- Jingsj CID
- J-20235-7
- Molecular Formula
- C9H8O4
- Molecular Weight
- 180.157 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 125-129 °C(lit.) |
|---|---|
| Boiling Point | 340.6±11.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 142.4±12.8 °C |
| Exact Mass | 180.042252 |
| PSA | 55.76000 |
| LogP | 1.37 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.595 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,3-Benzodioxole-5-acetic acid?
The CAS number of 1,3-Benzodioxole-5-acetic acid is 2861-28-1.
What are the molecular formula and molecular weight of 1,3-Benzodioxole-5-acetic acid?
1,3-Benzodioxole-5-acetic acid has molecular formula C9H8O4 and molecular weight 180.157 g/mol.
Is 1,3-Benzodioxole-5-acetic acid hazardous?
1,3-Benzodioxole-5-acetic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 1,3-Benzodioxole-5-acetic acid?
For 1,3-Benzodioxole-5-acetic acid, Upstream Products: 1,3-Benzodioxole-5-acetic acid methyl ester, 2-(1,3-benzodioxol-5-yl)-2-hydroxyacetic acid, 1,3-Benzodioxole-5-acetaldehyde; Downstream Products: 1,3-Benzodioxole-5-acetic acid methyl ester, Piperonylic acid, 2-(Benzo[d][1,3]dioxol-5-yl)ethanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Benzodioxole-5-acetic acid (CAS 2861-28-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20235-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.