4-Chlorotetrahydro-2H-pyran
Also known as: 4-Chlorotetrahydropyran, 4-Chlorotetrapyran, 4-chlorooxane, Tetrahydro-2H-pyran-4-chloride, 2H-Pyran, 4-chlorotetrahydro-, 4-Chlorotetrahydropyran 96%, 4-chlorotetrahydro-2H-pyran
4-Chlorotetrahydro-2H-pyran (CAS 1768-64-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H9ClO and a molecular weight of 120.577 g/mol. Key properties include a boiling point of 150.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 45.6±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, 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.
- 1768-64-5
- Jingsj CID
- J-4449-5
- Molecular Formula
- C5H9ClO
- Molecular Weight
- 120.577 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 150.0±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 45.6±0.0 °C |
| Exact Mass | 120.034195 |
| PSA | 9.23000 |
| LogP | 0.81 |
| Appearance | Liquid | Colorless to dark yellow |
| Vapor Pressure | 5.0±0.2 mmHg at 25°C |
| Refractive Index | 1.448 |
| Additional Property | water: soluble(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- 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 4-Chlorotetrahydro-2H-pyran?
The CAS number of 4-Chlorotetrahydro-2H-pyran is 1768-64-5.
What are the molecular formula and molecular weight of 4-Chlorotetrahydro-2H-pyran?
4-Chlorotetrahydro-2H-pyran has molecular formula C5H9ClO and molecular weight 120.577 g/mol.
Is 4-Chlorotetrahydro-2H-pyran hazardous?
4-Chlorotetrahydro-2H-pyran has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Chlorotetrahydro-2H-pyran?
For 4-Chlorotetrahydro-2H-pyran, Upstream Products: 3,4-Dihydro-2H-pyran, 3-Buten-1-ol, Bis(2-methoxyethoxy)methane; Downstream Products: 4-Cyanotetrahydro-4H-pyran, 4-Phenyltetrahydro-2H-pyran, 3,6-dihydro-2H-pyran.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chlorotetrahydro-2H-pyran (CAS 1768-64-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4449-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.