Potassium oleate

Modify Date: 2026-06-29 17:35:29

Potassium oleate Structure
Potassium oleate structure
 Common Name Potassium oleate
CAS Number 143-18-0 Molecular Weight 320.552
Density N/A Boiling Point 360ºC at 760 mmHg
Molecular Formula C18H33KO2 Melting Point 235 - 240ºC
MSDS Chinese USA Flash Point 140 °C
Symbol GHS07 GHS09
GHS07, GHS09		 Signal Word Warning

Summary: Potassium Oleate (Chinese name: 油酸钾, English name: Potassium Oleate, CAS number: 143-18-0, molecular formula: C18H33KO2, molecular weight: 320.552) is a brown solid or transparent to amber liquid with a melting point of 235-240°C and a boiling point of 360°C. Potassium Oleate is a potassium catalyst widely used in polyisocyanurate foam reactions, and can also be used as an emulsifier and cleaning agent. It is also used as an analytical reagent. For research-use only, not for medical or clinical usage.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Potassium Oleate
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Boiling Point 360ºC at 760 mmHg
Melting Point 235 - 240ºC
Molecular Formula C18H33KO2
Molecular Weight 320.552
Flash Point 140 °C
Exact Mass 320.211761
PSA 40.13000
LogP 4.77380
Vapour Pressure 3.7E-06mmHg at 25°C
InChIKey MLICVSDCCDDWMD-KVVVOXFISA-M
SMILES CCCCCCCCC=CCCCCCCCC(=O)[O-].[K+]
Storage condition 2-8°C

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RK1150000
CHEMICAL NAME :
Oleic acid, potassium salt
CAS REGISTRY NUMBER :
143-18-0
LAST UPDATED :
199701
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C18-H34-O2.K
MOLECULAR WEIGHT :
321.62
WISWESSER LINE NOTATION :
OV8U9 &-KA-

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
JANCA2 Journal of the Association of Official Analytical Chemists. (Assoc. of Official Analytical Chemists, 1111 N. 19th St., Suite 210, Arlington, VA 22209) V.49- 1966- Volume(issue)/page/year: 56,905,1973 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80685 No. of Facilities: 9720 (estimated) No. of Industries: 83 No. of Occupations: 78 No. of Employees: 95188 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80685 No. of Facilities: 7769 (estimated) No. of Industries: 82 No. of Occupations: 80 No. of Employees: 125720 (estimated) No. of Female Employees: 33685 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H315-H319-H335-H400
Precautionary Statements P261-P273-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR UN 3077 9 / PGIII
WGK Germany 1
RTECS RK1150000
HS Code 2916150000

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

oleic acid structure

oleic acid

CAS#:112-80-1

~%

Potassium oleate Structure

Potassium oleate

CAS#:143-18-0

Learn More
Literature: Bioorganic and Medicinal Chemistry, , vol. 22, # 6 p. 1804 - 1808

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2916150000
Summary 2916150000 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%

 Articles3

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Small-angle neutron-scattering study of W/O n-hexadecane, potassium oleate, water and alcohol CnH2n+ 1OH (n= 5-8) microemulsions: effect of water concentration. Caponetti E, et al.

Langmuir 6(11) , 1628-1634, (1990)

The preparation of nickel nanorods in water-in-oil microemulsion. Ni X-M, et al.

J. Cryst. Growth 252(4) , 612-17, (2003)

Precipitation phenomena of heavy metal soaps in aqueous solutions: I. Calcium oleate. Matijevic E, et al.

J. Colloid. Interface Sci. 22(5) , 419-29, (1966)

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

EINECS 205-590-5
9-Octadecenoic acid, potassium salt, (9Z)- (1:1)
MFCD00064243
Oleic Acid Potassium Salt
potassium (9Z)-octadec-9-enoate
Potassium oleate
Potassium (9Z)-9-octadecenoate
potassium 9-(Z)-octadecenoate

 Potassium oleate | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the storage conditions for Potassium Oleate?
A: Storage conditions for Potassium Oleate: 2-8°C.
Q: What is the English name of Potassium Oleate?
A: The English name of Potassium Oleate is Potassium Oleate.
Q: What English synonyms does Potassium Oleate have?
A: English synonyms of Potassium Oleate: EINECS 205-590-5, 9-Octadecenoic acid, potassium salt, (9Z)- (1:1), MFCD00064243, Oleic Acid Potassium Salt, potassium (9Z)-octadec-9-enoate, Potassium oleate, Potassium (9Z)-9-octadecenoate, potassium 9-(Z)-octadecenoate.
Q: What is the boiling point of Potassium Oleate?
A: Boiling point of Potassium Oleate is 360ºC at 760 mmHg.
Q: What is the melting point of Potassium Oleate?
A: Melting point of Potassium Oleate is 235 - 240ºC.
Q: What are the upstream materials of Potassium Oleate?
A: Related upstream materials(CAS) of Potassium Oleate: 112-80-1.
Q: What is the polar surface area (PSA) of Potassium Oleate?
A: Polar surface area (PSA) of Potassium Oleate is 40.13000.
Q: What is the InChIKey of Potassium Oleate?
A: InChIKey of Potassium Oleate is MLICVSDCCDDWMD-KVVVOXFISA-M.
Q: What is the LogP of Potassium Oleate?
A: LogP of Potassium Oleate is 4.77380.
Q: What is the molecular formula of Potassium Oleate?
A: Molecular formula of Potassium Oleate is C18H33KO2.

 Potassium oleatefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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