1-Chloro-2-octyne
Also known as: 1-Chlorooct-2-yne, Chlorooctyne, 2-Octyne, 1-chloro-, MFCD00274223
1-Chloro-2-octyne (CAS 51575-83-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H13Cl and a molecular weight of 144.642 g/mol. Key properties include a boiling point of 190.6±13.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 64.6±15.2 °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 Aug 21, 2026.
- CAS No.
- 51575-83-8
- Jingsj CID
- J-10591-9
- Molecular Formula
- C8H13Cl
- Molecular Weight
- 144.642 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 190.6±13.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 64.6±15.2 °C |
| Exact Mass | 144.070572 |
| LogP | 3.86 |
| Vapor Pressure | 0.7±0.4 mmHg at 25°C |
| Refractive Index | 1.453 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2903299090 |
|---|---|
| Summary | 2903299090 other unsaturated chlorinated derivatives of acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1-Chloro-2-octyne?
The CAS number of 1-Chloro-2-octyne is 51575-83-8.
What are the molecular formula and molecular weight of 1-Chloro-2-octyne?
1-Chloro-2-octyne has molecular formula C8H13Cl and molecular weight 144.642 g/mol.
Is 1-Chloro-2-octyne hazardous?
1-Chloro-2-octyne 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 1-Chloro-2-octyne?
For 1-Chloro-2-octyne, Upstream Products: 2-Octyn-1-ol, 2-Cyclohexen-1-ol, Butylmagnesium bromide; Downstream Products: 2-Octyne.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Chloro-2-octyne (CAS 51575-83-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10591-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.