5-chloro-2,1,3-benzoxadiazole
Also known as: 5-chlorobenzofurazan, 5-chlorobenzo[c][1,2,5]oxadiazole, 2,1,3-Benzoxadiazole, 5-chloro-, 5-chloro-benz[1,2,5]oxadiazole, 5-chlorobenzo-1,3,2-oxadiazole, 6-Chlorbenzofurazan
5-chloro-2,1,3-benzoxadiazole (CAS 19155-86-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3ClN2O and a molecular weight of 154.55400 g/mol. Key properties include a melting point of 37ºC, a boiling point of 60-80ºC20 mm Hg, a density of 1.69g/cm3 and a flash point of 127.4ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19155-86-3
- Jingsj CID
- J-24118-9
- Molecular Formula
- C6H3ClN2O
- Molecular Weight
- 154.55400 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 37ºC |
|---|---|
| Boiling Point | 60-80ºC20 mm Hg |
| Density | 1.69g/cm3 |
| Flash Point | 127.4ºC |
| Exact Mass | 153.99300 |
| PSA | 38.92000 |
| LogP | 1.87620 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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-2,1,3-benzoxadiazole?
The CAS number of 5-chloro-2,1,3-benzoxadiazole is 19155-86-3.
What are the molecular formula and molecular weight of 5-chloro-2,1,3-benzoxadiazole?
5-chloro-2,1,3-benzoxadiazole has molecular formula C6H3ClN2O and molecular weight 154.55400 g/mol.
Is 5-chloro-2,1,3-benzoxadiazole hazardous?
5-chloro-2,1,3-benzoxadiazole has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 5-chloro-2,1,3-benzoxadiazole?
For 5-chloro-2,1,3-benzoxadiazole, Upstream Products: 5-Chlorobenzofurazan 3-oxide, 5-Chloro-2-nitroaniline, 5-chlorobenzofuroxan; Downstream Products: 4-Benzylamino-7-nitro-2,1,3-benzoxadiazole, 5-Chloro-4-nitrobenzo[c][1,2,5]oxadiazole.
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-2,1,3-benzoxadiazole (CAS 19155-86-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24118-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.