Piperonylic acid
Also known as: 3,4-Methylenedioxybenzoic acid, 1,3-Benzodioxole-5-carboxylic acid, Heliotropic acid, Piperonyl acid, Benzo[d][1,3]dioxole-5-carboxylic acid, 3,4-(Methylenedioxy)benzoic acid, 5-Benzodioxolecarboxylic acid
Piperonylic acid (CAS 94-53-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O4 and a molecular weight of 166.131 g/mol. Key properties include a melting point of 229-231 °C(lit.), a boiling point of 324.6±31.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 139.6±18.3 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 94-53-1
- Jingsj CID
- J-48019-3
- Molecular Formula
- C8H6O4
- Molecular Weight
- 166.131 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 229-231 °C(lit.) |
|---|---|
| Boiling Point | 324.6±31.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 139.6±18.3 °C |
| Exact Mass | 166.026611 |
| PSA | 55.76000 |
| LogP | 1.31 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.612 |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Schalk M, et al, Werck-Reichhart D. Piperonylic acid, a selective, mechanism-based inactivator of the trans-cinnamate 4-hydroxylase: A new tool to control the flux of metabolites in the phenylpropanoid pathway. Plant Physiol. 1998;118(1):209‐218. |
|---|
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 Piperonylic acid?
The CAS number of Piperonylic acid is 94-53-1.
What are the molecular formula and molecular weight of Piperonylic acid?
Piperonylic acid has molecular formula C8H6O4 and molecular weight 166.131 g/mol.
Is Piperonylic acid hazardous?
Piperonylic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of Piperonylic acid?
For Piperonylic acid, Upstream Products: 5-Bromo-1,3-benzodioxole, Carbon dioxide, Piperonyl alcohol; Downstream Products: 3,4-Dihydroxybenzamide, 3,4-Dimethoxytoluene, Piperonyl alcohol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Piperonylic acid (CAS 94-53-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48019-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.