5-(Chloromethyl)-1,3-benzodioxole
5-氯甲基-1,3-苯并二氧杂环戊烯
Also known as: 3,4-Methylenedioxybenzyl chloride, Piperonyl chloride, 1,3-Benzodioxole, 5-(chloromethyl)-, 4-Chloromethyl-1,2-methylenedioxybenzene, Toluene, α-chloro-3,4-(methylenedioxy)-
5-(Chloromethyl)-1,3-benzodioxole (CAS 20850-43-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO2 and a molecular weight of 170.593 g/mol. It is also known as 3,4-Methylenedioxybenzyl chloride, Piperonyl chloride and 1,3-Benzodioxole, 5-(chloromethyl)-. Key properties include a melting point of 20.5ºC, a boiling point of 257.4±9.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 115.9±13.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20850-43-5
- Jingsj CID
- J-27928-8
- Molecular Formula
- C8H7ClO2
- Chinese Name
- 5-氯甲基-1,3-苯并二氧杂环戊烯
- Molecular Weight
- 170.593 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 20.5ºC |
|---|---|
| Boiling Point | 257.4±9.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 115.9±13.9 °C |
Frequently Asked Questions
What is the CAS number of 5-(Chloromethyl)-1,3-benzodioxole?
The CAS number of 5-(Chloromethyl)-1,3-benzodioxole is 20850-43-5.
What are the molecular formula and molecular weight of 5-(Chloromethyl)-1,3-benzodioxole?
5-(Chloromethyl)-1,3-benzodioxole has molecular formula C8H7ClO2 and molecular weight 170.593 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(Chloromethyl)-1,3-benzodioxole (CAS 20850-43-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27928-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.