5-Chloro-1,3-benzodioxole
Also known as: 1,3-Benzodioxole,5-chloro-, 5-Chlorobenzo[d][1,3]dioxole, 1-Chloro-3,4-methylenedioxybenzene, 5-Chloro-benzo-1,3-dioxole, MFCD00010842
5-Chloro-1,3-benzodioxole (CAS 7228-38-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H5ClO2 and a molecular weight of 156.56600 g/mol. Key properties include a boiling point of 185-187 °C(lit.), a density of 1.34 g/mL at 25 °C(lit.) and a flash point of 93.9 °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 Nov 2, 2026.
- CAS No.
- 7228-38-8
- Jingsj CID
- J-4358-3
- Molecular Formula
- C7H5ClO2
- Molecular Weight
- 156.56600 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 185-187 °C(lit.) |
|---|---|
| Density | 1.34 g/mL at 25 °C(lit.) |
| Flash Point | 93.9 °C |
| Exact Mass | 155.99800 |
| PSA | 18.46000 |
| LogP | 2.06870 |
| Refractive Index | n20/D 1.556(lit.) |
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 5-Chloro-1,3-benzodioxole?
The CAS number of 5-Chloro-1,3-benzodioxole is 7228-38-8.
What are the molecular formula and molecular weight of 5-Chloro-1,3-benzodioxole?
5-Chloro-1,3-benzodioxole has molecular formula C7H5ClO2 and molecular weight 156.56600 g/mol.
Is 5-Chloro-1,3-benzodioxole hazardous?
5-Chloro-1,3-benzodioxole 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 5-Chloro-1,3-benzodioxole?
For 5-Chloro-1,3-benzodioxole, Upstream Products: 1,3-Benzodioxole; Downstream Products: 5-chloro-1,3-benzodioxole-4-carboxylic acid, 5-chloro-1,3-benzodioxol-4-amine, 2-(1,3-benzodioxol-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chloro-1,3-benzodioxole (CAS 7228-38-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4358-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.