Skip to main content
Jingsj
.mol.sdf

Potassium oleate

Also known as: (Z)-9-octadecenoic acid potassium salt, 9-Octadecenoic acid, potassium salt, (9Z)- (1:1), 9-octadecenoic acid, potassium salt, (9Z)-, EINECS 205-590-5, MFCD00064243, OLEIC ACID POTASSIUM SALT, Oleic Acid Potassium Salt, POTASSIUM (Z)-9-OCTADECENOATE, POTASSIUM OLEATE, PotassiuM oleate technical, >=87% (fatty acid), Potassium (9Z)-9-octadecenoate, Potassium 9-octadecenoate, Potassium Oleate, Potassium oleate 40 wt. % paste in H2O, Potassium oleate, 40 wt. % paste in water, potassium (9Z)-octadec-9-enoate, potassium 9-(Z)-octadecenoate

Potassium oleate (CAS 143-18-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H33KO2 and a molecular weight of 320.552 g/mol. Key properties include a melting point of 235 - 240ºC, a boiling point of 360ºC at 760 mmHg and a flash point of 140 °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.
143-18-0
Jingsj CID
J-1010658-8
Molecular Formula
C18H33KO2
Molecular Weight
320.552 g/mol
Category
Organic Acids
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point235 - 240ºC
Boiling Point360ºC at 760 mmHg
Flash Point140 °C
Exact Mass320.211761
PSA40.13000
LogP4.77380
Vapor Pressure3.7E-06mmHg at 25°C

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H400 — Very toxic to aquatic life

Customs & Trade Information

HS Code2916150000
Summary2916150000 oleic, linoleic or linolenic acids, their salts and esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Potassium oleate?

The CAS number of Potassium oleate is 143-18-0.

What are the molecular formula and molecular weight of Potassium oleate?

Potassium oleate has molecular formula C18H33KO2 and molecular weight 320.552 g/mol.

Is Potassium oleate hazardous?

Potassium oleate 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 Potassium oleate?

For Potassium oleate, Upstream Products: oleic acid; Downstream Products: Calcium oleate, Ethyl oleate, Sebacic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Potassium oleate (CAS 143-18-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1010658-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.