Oleic Acid

CAS Number: 112-80-1

Molecular Formula: C18H34O2

Lubricant / emulsifierMonounsaturated omega-9 fatty acidCosmetic formulation oleic acidFood-grade oleic acid supplier E570Biolubricant production Oleic acidRSPO certified oleic acidSolubilizers & Penetration EnhancerEmollient / Surfactant (Intermediate) / Cleansing AgentMonounsaturated (C18:1)Biodegradable Lubricant Additive Oleic AcidMonounsaturated (C18:1)

About Oleic Acid

Oleic Acid (CAS 112-80-1), or cis-9-Octadecenoic Acid, is the most abundant monounsaturated omega-9 fatty acid (C18:1). ‘’prized for its low titer (solidification point) and high oxidative stability compared to polyunsaturated acids". Within the Oleochemicals, Beauty & Personal Care, and Industrial Lubricants hierarchi...

Synonyms

9 Octadecenoic Acid
9-Octadecenoic Acid
cis 9 Octadecenoic Acid
cis-9-Octadecenoic Acid
Oleate

View all

Oleic Acid Specifications

CAS Number

112-80-1

Molecular Formula

C18H34O2

Molecular Weight

282.5 g/mol

IUPAC Name

(Z)-octadec-9-enoic acid

Canonical SMILES

CCCCCCCCC=CCCCCCCCC(=O)O

InChI Key

ZQPPMHVWECSIRJ-KTKRTIGZSA-N

InChI

1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9-

PubChem CID

445639

EINECS Number

204-007-1

MDL Number

MFCD00064242

HSN No

38231200

CAS Number

112-80-1

Molecular Formula

C18H34O2

Molecular Weight

282.5 g/mol

IUPAC Name

(Z)-octadec-9-enoic acid

Canonical SMILES

CCCCCCCCC=CCCCCCCCC(=O)O

InChI Key

ZQPPMHVWECSIRJ-KTKRTIGZSA-N

InChI

1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9-

PubChem CID

445639

EINECS Number

204-007-1

MDL Number

MFCD00064242

HSN No

38231200

Melting point

61.3 °F

Boiling point

547 °F at 100 mmHg

Solubility

Insoluble

Density

0.89 at 77°F

LogP

log Kow = 7.64

Molecular Weight

282.5 g/mol

Iodine Value

91.3

GHS Hazard Statements

H315 (31.5%): Causes skin irritation H319 (22%): Causes serious eye irritation

Precautionary Statement Codes

P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

Oleochemicals & Surfactants: Soft Soap Base

Primary precursor for Sodium Oleate and Potassium Oleate. These "soft soaps" are highly soluble in water and provide excellent detergency without the harshness of saturated fats. Used to produce Sorbitan Oleates (Spans) and Polysorbate 80, the industry standards for stabilizing oil-in-water emulsions

Metallurgy & Mining: Flotation & Lubrication

In the mining industry, Used collector for froth flotation facilitates the separation of minerals like haematite and fluorite. In metalworking, serves as a high-lubricity additive for cutting oils and drawing compounds, reducing friction and heat during high-speed machining

Pharmaceuticals: Penetration Enhancement

Utilised as a penetration enhancer in topical and transdermal drug delivery. Its "kinked" molecular structure temporarily disrupts the skin's lipid barrier, allowing (APIs) to move more freely through the stratum corneum into the bloodstream

Storage Stability

Sensitive to air and light. Oxidation (rancidity) can occur due to the double bond, leading to a darker color and sharp odor

Storage Section

Store in a cool, dry place (below 25°C). For bulk storage, Stainless Steel (316L) or lined tanks are required. Maintain a Nitrogen Blanket to prevent oxidation.